chemistry Crossword Puzzles

Motion and Chemistry 2017-10-31

Motion and Chemistry crossword puzzle
Across
  1. a force that stops or slows down an object (f________)
  2. acid + metal --> salt + h____________
  3. name of compound CuO
  4. Newton's law number which describes inertia (f_______)
  5. substance made of one type of atom only (e____________)
  6. element with formula Cl
  7. substance made of 2 or more different atoms (c____________)
  8. the tendency of an object to keep its motion (i___________)
  9. measured in m/s2 or ms-2 (a______________)
  10. scientist with 3 laws of motion (N______)
  11. speed is measured in __________ per second
  12. forces are measured in N_________
Down
  1. the one thing that you change in an experiment (i________ variable)
  2. acid + carbonate --> salt + water + c_______________
  3. the things that need to be the same in experiments (c_______ variables)
  4. Newton's Law that says force depends on acceleration and mass (s_______)
  5. force is calculated by m______ x acceleration
  6. what you measure in the results for an experiment(d_________ variable)
  7. speed is calculated by the formula distance divided by __________
  8. Newtons law number that says 'Forces have an equal and opposite force'(t____)
  9. element with formula Fe
  10. another name for a chemical change (r__________)
  11. acid + base --> salt + w_____________

23 Clues: name of compound CuO • element with formula Cl • element with formula Fe • forces are measured in N_________ • acid + base --> salt + w_____________ • acid + metal --> salt + h____________ • scientist with 3 laws of motion (N______) • measured in m/s2 or ms-2 (a______________) • speed is measured in __________ per second • force is calculated by m______ x acceleration • ...

Chemistry Unit 1 2019-04-06

Chemistry Unit 1 crossword puzzle
Across
  1. Orbitals of similar energy are grouped in subshells that are labelled _ _ _ _ _(5)
  2. Atomic ______ is a measurement used for the size of atoms. It can be regarded as the distance from the nucleus to the outermost electrons (6)
  3. When considering the formula of an ionic compound, the total number of ___________ charges on the metal ions must equal the total number of negative charges on the non-metal ions. (8)
  4. The lattice of cations is surrounded by a sea of ____________ electrons. (11)
  5. The _____ mass of an element or compound is the mass, in grams, of one mole of that element or compound. Molar mass is given the symbol M and the unit g mol–1. (5)
  6. Have the same chemical properties but different physical properties such as mass, density and radioactivity (8)
  7. When an electron falls from a higher energy shell to a lower energy shell, it emits energy in the form of ________ (5)
  8. _______ compounds do not conduct electricity in the solid state. (6)
  9. _________________ is the ability of an element to attract electrons towards itself (17)
  10. _______ in the outer shell are called valence electrons (9)
  11. The __________ formula of a compound gives the simplest whole number ratio of atoms or ions in the compound. (9)
  12. From left to right across a period, the core charge of atoms _________, so the attractive force felt between the valence electrons and the nucleus increases. (9)
  13. _________ bonding is the electrostatic force of attraction between a lattice of positive ions and delocalised valence electrons.(8)
  14. An ______ is a mixture of a metallic element with other elements. (5)
  15. Columns in the periodic table are known as ______ and are numbered 1–18. (6)
  16. Molecular compounds have a molecular formula that gives the actual number of atoms of each element in the ___________. (9)
Down
  1. The number of occupied electron shells of an atom of an element is equal to the number of the element’s ______ on the periodic table(6)
  2. The particles that make up the crystal lattice are ______ and anions. (7)
  3. Elements are organised into the______ _____(6,5)
  4. When an ionic compound is formed from positively charged metal ions and negatively charged non-metal ions, the ions combine in proportions that produce an ionic compound with an overall _____ charge. (4)
  5. The ________ model proposed that electrons behave as waves and occupy a three-dimensional space around the nucleus (11)
  6. In water, ionic compounds vary from very soluble to insoluble. The ____________ depends on whether the forces between the water molecules and the ions in the lattice are strong enough to pull the ions out of the lattice. (10)
  7. Transition metal compounds tend to be brightly __________. (8)
  8. Ions that contain two or more atoms of different elements are called __________ ions. (10)
  9. The experimental results of metals reacting with acids are used to place metals in an order of reactivity called the ___________ series. (11)
  10. The relative molecular mass of molecules, or formula mass of ionic compounds, is calculated from the sum of the ________ atomic masses of its constituent elements. (8)
  11. Down a group, the number of shells in an atom increases so that the valence electrons are further from the nucleus and are held less ________. (8)
  12. A mole is a convenient quantity for counting particles. The mole is given the symbol n and the unit ___. (3)

28 Clues: Elements are organised into the______ _____(6,5) • _______ in the outer shell are called valence electrons (9) • Transition metal compounds tend to be brightly __________. (8) • _______ compounds do not conduct electricity in the solid state. (6) • An ______ is a mixture of a metallic element with other elements. (5) • ...

Chemistry Crossword Puzzels 2018-11-06

Chemistry Crossword Puzzels crossword puzzle
Across
  1. describing without numbers
  2. ______have the same number of electrons and protons
  3. a region in space in which there is high probability of finding an e-
  4. ____are atoms that have an unequal number of electrons and protons
  5. Plum pudding model
  6. they are the most reactive metals, always bonded with another elements
  7. he was known as the father of modern chemistry
  8. they are horizontal; rows of elements is called______
  9. table that organizes the elements is particular way
  10. have properties of both metal and nonmetal
  11. making orange juice is ______ change
  12. the energy level are like the ____ of a ladder but not equally spaced
  13. shape of dumbbell, holds 2 electrons in each orbital
Down
  1. a part or aspect of something abstract, especially one that is essential or characteristic
  2. refers to how many protons an atoms of that elements has
  3. Longest wavelength, 700nm
  4. average mass of all the atomic masses of the isotopes of that atom
  5. columns of elements is called______
  6. using numbers to describe
  7. poor conductors of heat and electricity
  8. elements in this family are fluorine, chlorine, bromine, iodine and astatine
  9. they are colorless gases that are extremely un-reactive
  10. levels S,P,D,F are the ______
  11. he discover neturons in 1932
  12. Baking a cake is _____ change
  13. shortest wavelength 400nm
  14. e- in the outer energy level of an atom
  15. good conductors of head and electricity
  16. are bundles of light energy that emitted by e- as they go from higher energy level to lower levels
  17. the amount of energy required to move an e- from one energy level to another

30 Clues: Plum pudding model • Longest wavelength, 700nm • using numbers to describe • shortest wavelength 400nm • describing without numbers • he discover neturons in 1932 • levels S,P,D,F are the ______ • Baking a cake is _____ change • columns of elements is called______ • making orange juice is ______ change • poor conductors of heat and electricity • ...

A Chemistry Crossword 2018-11-13

A Chemistry Crossword crossword puzzle
Across
  1. neutrons, protons, electrons
  2. element that is non-metal and non-reactive
  3. a group of elements in between metals and non-metals
  4. a group of elements that are metals and very reative
  5. number of __________, are achieved by subtracting the atomic mass by the atomic number
  6. irreversible change
  7. reversible change
  8. the elements metal + non-metal combined
  9. theories/predictions made about the atom
  10. a physical characteristic that a substance can have which means to conduct an electric current
  11. periodic table of _________, substance that cannot be broken down any further
  12. mass of one atom in a given element
Down
  1. shininess of a substance
  2. a homogeneous mixture
  3. process of solid turning into gas
  4. used at the ending when naming a molecular compound
  5. the elements non-metal + non-metal combined
  6. time period where controlling fire was learned
  7. system designed to help people against harmful substances
  8. meaning 5 in terms of naming molecular compounds
  9. created by an alchemist to create casts
  10. a positively charged ion
  11. heat exiting- fire
  12. heat entering- cool pack
  13. a column in the periodic table with elements with similar traits

25 Clues: reversible change • heat exiting- fire • irreversible change • a homogeneous mixture • shininess of a substance • a positively charged ion • heat entering- cool pack • neutrons, protons, electrons • process of solid turning into gas • mass of one atom in a given element • the elements metal + non-metal combined • created by an alchemist to create casts • ...

Chemistry Crossword Puzzle 2019-09-17

Chemistry Crossword Puzzle crossword puzzle
Across
  1. a vertical column in the Periodic Table
  2. the five non-metallic elements found in group 17 of the periodic table
  3. a substance made up of atoms of two or more different elements joined by chemical bonds
  4. any of the elements found in Group IA of the periodic table (the first column)
  5. composed of dissimilar components
  6. a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom
  7. describes something that has a uniform structure or composition throughout
  8. an element that has properties of both metals and nonmetals, sometimes referred to as a semiconductor
  9. the total number of protons and neutrons in an atom
  10. the positively charged center of the atom consisting of protons and neutrons
Down
  1. particle found in a nucleus with a positive charge
  2. any of the seven chemical elements that make up Group 18
  3. equal to the number of protons in an atom's nucleus
  4. the six chemical elements in group 2 of the periodic table
  5. a stable negatively charged component of an atom
  6. a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction
  7. the smallest component of an element
  8. the name given to a horizontal row of the periodic table
  9. an element that is shiny and that conducts heat and electricity well
  10. an element that conducts heat and electricity poorly and that does not form positive ions in an electrolytic solution

20 Clues: composed of dissimilar components • the smallest component of an element • a vertical column in the Periodic Table • a stable negatively charged component of an atom • particle found in a nucleus with a positive charge • equal to the number of protons in an atom's nucleus • the total number of protons and neutrons in an atom • ...

Javier - Chemistry A 2019-10-17

Javier - Chemistry A crossword puzzle
Across
  1. A small part of a element
  2. What comes out at the end
  3. mass of one atom
  4. Deadly chemicals that can dissolved
  5. substances from the periodic table
  6. mixture is the same
  7. Material does change
  8. Where elements are found.
  9. Where 2 electron combine
  10. Electric force brings together atoms
  11. reaction where clouds or jelly or solids form
Down
  1. The number of a element
  2. A negatively charged ion
  3. A combination in atoms
  4. material does not change
  5. a lipped cylindrical glass container for laboratory use
  6. Materials we start with
  7. A mixture of metal materials
  8. mathematical relationship or rule expressed in symbols.
  9. material mixed together

20 Clues: mass of one atom • mixture is the same • Material does change • A combination in atoms • The number of a element • Materials we start with • A negatively charged ion • material does not change • Where 2 electron combine • material mixed together • A small part of a element • What comes out at the end • Where elements are found. • A mixture of metal materials • ...

VOCABULARY IN CHEMISTRY 2023-05-15

VOCABULARY IN CHEMISTRY crossword puzzle
Across
  1. Unit for the amount of substance
  2. Energy that needs to have a molecule to react
  3. Type of element in the last group of the periodic table
  4. Chemical property that describes the tendency of an atom or a functional group to attract electrons toward itself.
  5. Ion with positive charge
  6. Fist part of the chemical reaction
  7. Is the mass that appears in the periodic table.
  8. Negative particle of the atom
  9. Is the number of protons of an atom.
  10. Neutral particle of the atom
Down
  1. Last part of the chemical reaction
  2. The conditions in which a gas occupies 22.7L at 25C and 1 atm.
  3. An atom with charge is called...
  4. Ion with negative charge
  5. Part of chemistry that studies changes in a chemical reaction
  6. Type of elements in the right side of the periodic table
  7. Process that involves rearrangement of atoms
  8. Type of elements in the left side of the periodic table
  9. Positive particle of the atom
  10. Unit to measure mass
  11. Element with symbol Cd

21 Clues: Unit to measure mass • Element with symbol Cd • Ion with negative charge • Ion with positive charge • Neutral particle of the atom • Positive particle of the atom • Negative particle of the atom • Unit for the amount of substance • An atom with charge is called... • Last part of the chemical reaction • Fist part of the chemical reaction • Is the number of protons of an atom. • ...

Paper 1 Chemistry 2023-05-10

Paper 1 Chemistry crossword puzzle
Across
  1. metals below hydrogen in the reactivity series are found in their ____ state
  2. two or more different elements chemically bonded together
  3. this is how you extract metals in the reactivity series below carbon but above hydrogen
  4. the name of a system that nothing can get in or out of
  5. the centre of an atom
  6. two or more different elements or compounds not chemically bonded
  7. the process of removing insoluble substances from soluble ones
  8. the halogens get ___ reactive as you go down the group
  9. the bonding when the electrons are donated or received
  10. sub-atomic particle with a neutral charge
  11. electrolysis of aluminium oxide is ____ as the anodes need replacing regularly
  12. this is how you extract metals above carbon in the reactivity series
  13. Mr X Mass = ??
  14. a mixture of gases found in our atmosphere
  15. the type of reaction when a more reactive element takes the place of a less reactive one
  16. this is the physical process of a salt forming after evaporation
  17. acids all have this ion
  18. one type of atom only
  19. a property of the Nobel gasses
  20. is you neutralise a base with sulfuric acid your salt will be a metal...
  21. a type of fullerene made of a rolled layer of graphene
  22. sub-atomic particle with a negative charge
  23. Mendeleev left gaps for ____ elements
  24. this series tells you how reactive a metal is
  25. acid + base --> ___ + water
  26. the name of the group 7 elements
Down
  1. for electrolysis to work it must be aqueous or...
  2. this type of reaction occurs when you react an acid & base together
  3. negative electrode
  4. today's periodic table is arranged by atomic ...
  5. this is the material the cup is made from in the energy changes required practical
  6. the full name for a bucky ball
  7. the variable you keep the same
  8. the type of bonding in metals
  9. splitting an ionic substance using electricity
  10. This man discover the neutron
  11. the alkali metals get ... reactive as you go down the group
  12. the name of the apparatus used to measure energy change
  13. a salt made with hydrochloric acid will be a metal ___
  14. postive electrode
  15. a measure of how acidic something is
  16. the bonding when electrons are shared
  17. A reaction that releases enery to its surroundings
  18. alkalis all have this ion
  19. the variable you measure
  20. sub-atomic particle with a positive charge
  21. a mixture including metals that are harder than pure metals
  22. a giant covalent molecule that can conduct electricity
  23. an abbreviation for relative atomic mass
  24. a reaction that absorbed energy from its surroundings
  25. this gas is made when a metal and acid react
  26. in electrolysis of molten or aqueous ionic substances, the ions can move and carry
  27. the variable you change
  28. Hydrogen ions + hydroxide ions --> ??
  29. This Niels discovered electrons were in shells
  30. the giant covalent structure with a tetrahedral structure
  31. the name of the metals of group 1

57 Clues: Mr X Mass = ?? • postive electrode • negative electrode • the centre of an atom • one type of atom only • acids all have this ion • the variable you change • the variable you measure • alkalis all have this ion • acid + base --> ___ + water • the type of bonding in metals • This man discover the neutron • the full name for a bucky ball • the variable you keep the same • ...

Chemistry Crossword Puzzle 2023-05-17

Chemistry Crossword Puzzle crossword puzzle
Across
  1. a substance that has properties of both a metal and a nonmetal
  2. the processes by which chemicals interact to form new chemicals with different compositions
  3. the measurement between the nuclei of two identical atoms bonded together
  4. a combination of symbols that represent a compound
  5. bonding electrons are shared equally
  6. the amount of energy required to remove an electron from an isolated atom or molecule
  7. an electrically charged gas
  8. negative ion
Down
  1. the tendency of an atom to attract electrons in a molecule
  2. a system for arranging the chemical elements
  3. any of a large group of chemical compounds consisting of oppositely charged ions holds the atoms together
  4. elements on the right of the periodic table
  5. the atoms help together by sharing electrons
  6. the process of the transfer of electrons from a metal to a nonmetal atom
  7. a substance that has no fixed size or shape
  8. a simple substance that cannot be broken down into smaller parts or changed into another substance
  9. a state of matter that retains its shape and density when not confined
  10. a type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
  11. positive ion
  12. A substance with high electrical conductivity, luster, and malleability

20 Clues: positive ion • negative ion • an electrically charged gas • bonding electrons are shared equally • elements on the right of the periodic table • a substance that has no fixed size or shape • a system for arranging the chemical elements • the atoms help together by sharing electrons • a combination of symbols that represent a compound • ...

Chemistry Vocab Review 2023-05-18

Chemistry Vocab Review crossword puzzle
Across
  1. the radius of an atom
  2. how well outer electrons protect inner electrons
  3. subatomic particle with a neutral charge
  4. when a neutron slams into a larger atom forcing it to combine
  5. when a neutron slams into a larger atom forcing it to split
  6. distance between any given point and the same point in the next wave cycle
  7. substance made from 2 or more different elements
  8. a change in size shape or change that can be reversed
  9. a test performed to observe something carefully to gain new info
  10. how much energy is needed to take an electron
  11. way to write very small or large numbers in a conveniant decimal form
  12. conversion of liquid to gas
  13. energy released as high speed charged particles
  14. Mass divided by volume
Down
  1. anything that takes up space and can be weighed
  2. a statement about the relationship of 2 or more variables
  3. substance combines with another to make a new substance;non-reversable
  4. point at which liquids bubble
  5. the rate at which something occurs in a certain period of time
  6. point at which solids start to melt
  7. subatomic particle with a negative charge
  8. small particles that are made up of electromagnetic waves
  9. digits used to express a calculated quantity
  10. subatomic particle with a positive charge

24 Clues: the radius of an atom • Mass divided by volume • conversion of liquid to gas • point at which liquids bubble • point at which solids start to melt • subatomic particle with a neutral charge • subatomic particle with a negative charge • subatomic particle with a positive charge • digits used to express a calculated quantity • how much energy is needed to take an electron • ...

Chemistry Gonzalo B 2023-05-26

Chemistry Gonzalo B crossword puzzle
Across
  1. What type of bonds form between oppositely charged ions?
  2. The __________ model describes electrons in specific energy levels around the nucleus.
  3. elements Elements that are required in smaller quantities compared to bulk elements are known as __________.
  4. The sharing of electrons between atoms forms __________ bonds.
  5. What term describes the attraction an atom has for electrons in a chemical bond?
  6. What are the outermost electrons of an atom called?
  7. Lack of __________ can lead to anemia and reduced oxygen transport.
  8. __________ are a unit of energy used to quantify the energy content of food.
  9. The variable that is measured or observed in an experiment is called the __________.
  10. What is the group in an experiment that is not exposed to the independent variable?
  11. Metallic elements form __________ bonds.
Down
  1. What is the term for the natural 24-hour internal clock that regulates biological processes?
  2. The arrangement of atoms and their valence electrons in a molecule is shown by a __________.
  3. What are the factors in an experiment that are kept constant?
  4. The variable manipulated or changed by the researcher is known as the __________.
  5. The lowest energy state of an atom is called the __________ state.
  6. Problems associated with toxic metals are referred to as __________.
  7. When an atom absorbs energy, it moves to an __________ state.
  8. __________ electrons are involved in the formation of chemical bonds.
  9. Foods that provide calories but offer little nutritional value are called __________.
  10. Which group in an experiment is exposed to the independent variable?
  11. Excess __________ can cause copper toxicity and organ damage.
  12. What are the major elements required in large quantities by living organisms?
  13. What are the minimum nutrient intake levels necessary to maintain health?

24 Clues: Metallic elements form __________ bonds. • What are the outermost electrons of an atom called? • What type of bonds form between oppositely charged ions? • What are the factors in an experiment that are kept constant? • When an atom absorbs energy, it moves to an __________ state. • Excess __________ can cause copper toxicity and organ damage. • ...

Chemistry Final Review 2023-06-12

Chemistry Final Review crossword puzzle
Across
  1. In a binary ionic compound, this comes first when naming.
  2. In this type of bond, electrons are free-flowing between nuclei.
  3. In this type of mixture, the appearance and properties are the same throughout.
  4. A name for an atom of the same element but with a different mass.
  5. Device to measure the pressure of enclosed gas.
  6. In this person’s principle, electrons fill up the lowest energy orbital first.
  7. A type of reaction with multiple reactants combining to form one product.
  8. A formula with the subscripts being relatively prime.
  9. The atomic model by this scientist was also known as the "plum pudding" model.
  10. Metals of this type are often colorful in solution.
  11. Noncompressible and has a fixed mass and volume, although the shape can change.
  12. Particles with the same amount of mass as an electron, but opposite charge.
  13. A substance that can act as an acid or a base is this type.
  14. The 3-D geometries of molecules.
  15. _____ plot: a way to correlate two or more quantities.
  16. Hydrocarbons wherein one of the hydrogens has been replaced by a halogen.
  17. Degree of disorder in a system.
  18. Unit of measurement for n in PV = nRT.
  19. Gases that closely obey Kinetic Molecular Theory.
  20. ______ mass allows a chain reaction to be self-sustaining.
  21. A way of telling if a substance is an acid or base based on a color change.
Down
  1. A liquid boils when the _____ pressure = the atmospheric pressure.
  2. A way of separating parts of a mixture with different densities.
  3. As one moves right on the periodic table, this increases.
  4. Reversible reactions in a state of balance.
  5. The initial prediction of the results of an experiment.
  6. Fluids called these cannot be liquified regardless of pressure.
  7. Cells wherein the cathode has a positive charge.
  8. Soluble ionic compounds and acidic molecular compounds are examples of these.
  9. Moles of solute per liter of solvent.
  10. _______ analysis: a quick and easy way to convert units in chemistry problems.
  11. Heat of ______ refers to the energy needed to melt a substance.
  12. A different orientation of an electron within a given sublevel.
  13. What comes first when you make an acidic aqueous solution?
  14. Compounds associated with pleasant, flowery scents.
  15. Dalton's law of _____ pressures (P total = P x + P H2O)
  16. This solid might form as a result of a chemical reaction.
  17. Change of heat of reaction.
  18. _____ bonds exhibit the strongest IMFs.
  19. ________ properties depend only on the number of particles in a solute and not their identity.

40 Clues: Change of heat of reaction. • Degree of disorder in a system. • The 3-D geometries of molecules. • Moles of solute per liter of solvent. • Unit of measurement for n in PV = nRT. • _____ bonds exhibit the strongest IMFs. • Reversible reactions in a state of balance. • Device to measure the pressure of enclosed gas. • Cells wherein the cathode has a positive charge. • ...

Chemistry Crossword Puzzle 2023-06-09

Chemistry Crossword Puzzle crossword puzzle
Across
  1. Bond where two nonmetals share electrons
  2. Energy required to remove the most loosely bound electron in the valence shell
  3. The study of the properties and behavior of matter
  4. Color changing compounds that are added in small amounts of a solution
  5. Two reactants forming a product
  6. something that cannot be broken down and is made up of all the same atoms
  7. Smallest whole number ratio of atoms in a compound
  8. A compound that contains carbon atoms
  9. Person who discovered the nucleus of the atom
  10. To separate particles based on size and polarity
  11. The measure of the average kinetic energy of particles in matter
  12. Negative ion
  13. Single atoms that are not bonded to each other
  14. Person who originally organized the periodic table
  15. The measure of the different possible arrangements of atoms
  16. Person who discovered that all elements are composed of atoms
  17. The ability to dissolve
  18. The number of protons in an element
  19. To separate a mixture of liquids based on boiling point
  20. Positive ion
  21. Can act as both an acid and a base
  22. Bond where electrons are shared between a metal and a nonmetal
  23. When both the forward and reverse reactions are taking place in a system
  24. Something that cannot physically be separated
  25. Loss of electrons by an atom or ion
  26. Phase change of a gas to a solid
  27. Phase change of a solid to a gas
  28. A homogeneous mixture
Down
  1. The study of the rate or speed at which reactions occur
  2. All chemical reactions have balance in mass, energy, and change
  3. Person who discovered that an atom is the smallest piece of a substance
  4. To separate a solid from a liquid
  5. Law that states equal volumes of different gases at the same temperature and pressure contain equal numbers of particles
  6. Size of an atom
  7. The theory that states that in order for a reaction to occur, reactant particles must collide with the proper amount of energy and proper orientation
  8. Time required for half of a sample to decay into a new and more stable element
  9. A charged particle formed when atoms gain or lose electrons
  10. Actual number of atoms in a compound
  11. H+ acceptor
  12. The number of digits in a value that contributes to the degree of accuracy of the value
  13. When a compound has the same molecular formula but a different structural formula
  14. Person who discovered electrons
  15. When the unstable nucleus of an atom breaks into smaller parts over time to become more stable
  16. The gain of electrons by an atom or ion
  17. Person who discovered that electrons travel around the nucleus in orbitals
  18. Arranges elements based on chemical properties
  19. One reactant breaking down into multiple products
  20. Two or more atoms chemically combined that have a fixed composition and can be chemically separated
  21. H+ donor
  22. Unit that measures the number of particles in a substance
  23. When a volume of a solution of a known concentration is used to determine the concentration of an unknown solution
  24. To separate an aqueous solution
  25. The movement of energy from one object to another (hot to cool)
  26. Something that has mass or takes up space
  27. Two or more substances physically combined that may vary in composition
  28. Bond where two metals share electrons
  29. Measure of attraction for all electrons
  30. Elements that have the same atomic number but a different mass
  31. Ionic solid with water trapped in crystal lattice
  32. Two of the same type of element bonded to each other
  33. The sum of protons and neutrons
  34. D=m/v

62 Clues: D=m/v • H+ donor • H+ acceptor • Negative ion • Positive ion • Size of an atom • A homogeneous mixture • The ability to dissolve • Two reactants forming a product • Person who discovered electrons • To separate an aqueous solution • The sum of protons and neutrons • Phase change of a gas to a solid • Phase change of a solid to a gas • To separate a solid from a liquid • ...

Chemistry Crossword puzzle 2023-06-07

Chemistry Crossword puzzle crossword puzzle
Across
  1. a positively charged atom or group of atoms, or a radical which moves to the negative pole (cathode) during electrolysis.
  2. A spherical path in which electrons move around the nucleus
  3. a measure of solution concentration expressed in moles of solute per liter of solution.
  4. Element that is a conductor of electricity, malleable, ductile and lustrous.
  5. a method of analyzing the composition of a solution by adding known amounts of a standardized solution until a given reaction (color change, precipitation, or conductivity change) is produced.
  6. A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons
  7. the substances that dissolves the solute
  8. an uncharged atomic particle that has a mass nearly equal to that of the proton
Down
  1. a charged entity formed when an atom gains or loses one or more electrons
  2. chemical reaction in which an atom or molecule gains an electron; decrease in positive valence; addition of hydrogen to a molecule.
  3. the basic unit of a chemical element ; made up of protons, electrons & neutrons
  4. a substance that makes a chemical reaction occur faster without itself being consumed in the reaction
  5. the substance that dissolves in a solvent
  6. ion having a negative charge; an atom with extra electrons. Atoms of non-metals, in solution
  7. a negatively charged particle in an atom or ion.
  8. to thin out, or having been thinned out; less than full strength.
  9. any substance that cannot be broken down into simpler substances (pure substance)
  10. checking, adjusting, or systematic standardizing of the graduations of a quantitative measuring instrument.
  11. a positively charged particle in the atom's nucleus
  12. the simplest structural unit of a substance that retains the properties of the substance, and is composed of one or more atoms.

20 Clues: the substances that dissolves the solute • the substance that dissolves in a solvent • a negatively charged particle in an atom or ion. • a positively charged particle in the atom's nucleus • A spherical path in which electrons move around the nucleus • to thin out, or having been thinned out; less than full strength. • ...

Organic Chemistry Crossword 2023-05-29

Organic Chemistry Crossword crossword puzzle
Across
  1. acids Organic compounds with a carboxyl group (COOH)
  2. Organic compounds derived from carboxylic acids
  3. A reaction that converts an alcohol to an aldehyde or ketone
  4. The simplest alkanes, with only one carbon atom
  5. A class of aldehydes and ketones with an aldehyde group at the end of the carbon chain
  6. A reaction that breaks down a molecule into smaller fragments
  7. A reaction that converts a carboxylic acid to an alcohol
  8. The process of converting an aldehyde to a carboxylic acid
  9. The process of adding a halogen to a hydrocarbon
  10. Amines Amines that are derived from ammonia by replacing one or more hydrogen atoms with alkyl or aryl groups
  11. Organic compounds containing a nitrogen atom bonded to one, two, or three carbon atoms
  12. A compound with the chemical formula C₆H₆
  13. Name A compound's name based on its structure, including the presence of any functional groups
  14. Formation A reaction that converts an alkene to an alkyne
  15. Interaction A type of intermolecular force caused by the attraction between a permanent dipole moment in one molecule and an opposite partial charge in another molecule
  16. Chemistry The branch of chemistry that deals with the study of carbon compounds and their reactions
  17. The process of replacing a hydroxyl group with an alkyl group in an alcohol
  18. Reactions Reactions involving hydrocarbons
  19. The process of planning a synthesis pathway backward from the target molecule
  20. A functional group in alcohols and ethers
  21. Forces Forces of attraction between molecules
  22. Organic compounds derived from carboxylic acids and amines
Down
  1. The system of naming organic compounds
  2. A class of aldehydes and ketones with a carbonyl group within the carbon chain
  3. Aromatic compounds derived from benzene
  4. A reaction that involves the addition of water to a double bond
  5. A reaction that converts a carboxylic acid to an amide
  6. Organic compounds containing a carbonyl group (C=O) at the end of a carbon chain
  7. Isomerism A type of isomerism in which the connectivity of atoms in a molecule is the same, but the arrangement of atoms in space is different
  8. Organic compounds containing a carbonyl group (C=O) within a carbon chain
  9. Amide A type of amide formed by reacting a carboxylic acid with ammonia or an amine
  10. Acid A carboxylic acid with one carbon atom
  11. Saturated hydrocarbons
  12. Bond The carbon-carbon bond in alkanes
  13. Organic compounds containing a hydroxyl group (-OH)
  14. A reaction that converts an alkene to an alkane
  15. Organic compounds containing an oxygen atom bonded to two carbon groups
  16. Unsaturated hydrocarbons with a carbon-carbon double bond
  17. A reaction that converts a carboxylic acid to an ester
  18. Alcohols A class of organic compounds with the general formula CₙH₂ₙ₊₁OH
  19. Unsaturated hydrocarbons with a carbon-carbon triple bond
  20. Amine A class of organic compounds that contain both a carbonyl group and an amino group
  21. Dispersion A type of intermolecular force caused by temporary fluctuations in electron distribution

43 Clues: Saturated hydrocarbons • The system of naming organic compounds • Bond The carbon-carbon bond in alkanes • Aromatic compounds derived from benzene • A compound with the chemical formula C₆H₆ • A functional group in alcohols and ethers • Reactions Reactions involving hydrocarbons • Acid A carboxylic acid with one carbon atom • Forces Forces of attraction between molecules • ...

Chemistry Vocab Words 2023-09-29

Chemistry Vocab Words crossword puzzle
Across
  1. A change in which one or more new types of matter form
  2. the ability for a metal to be formed into a variety of shapes
  3. a gas turns into a liquid
  4. often melts at room temperature, does not produce heat or electricity, and is fragile
  5. process that results in the phase transition of a substance from a solid to a liquid
  6. A change in which no new substances are formed, change in the shape and size can be reversed easily
  7. is one of the four fundamental states of matter that have neither volume nor shape
  8. It represents the element in 1 or 2 letters
  9. a horizontal row of the periodic table
  10. depends only on the type of matter in a sample
  11. state with a definite volume but no fixed shape
  12. definite shapes and volumes
  13. A substance that is pure and is one kind of particle
  14. Atomic number = Number of protons
  15. A substnace's ability to react with other substances
  16. A mixture that is not combined, You can take off parts of the mixture
  17. They look like metals, they conduct heat and electricity
  18. A class of elements that have shininess, malleability, ductility, and conductivity, most are solid at room temperature
  19. occur when chemical bonds between atoms are formed or broken
Down
  1. A system that has elements in order by atomic number
  2. used by of the five senses, description of an object
  3. are a group of 15 chemical elements that are silver in color and can tarnish when exposed to oxygen in the air
  4. A solid that forms during a chemical reaction in a solution
  5. is the process in which a liquid state changes into a gas
  6. are chemical elements under the second-to-right column in the periodic table,that forms a salt when it reacts with metal
  7. They are all in the second column of the periodic table
  8. A mixture that is blended well that you cannot change it and it’s the same as before
  9. a column in the periodic table of the chemical elements
  10. changes when the size of the sample changes
  11. are a series of metallic elements whose atomic numbers start from 89 and end at 103
  12. is the amount of space occupied by a sample of matter
  13. When two or more elements combined
  14. are small and are made up of a few even smaller particles. It is made up are electrons, protons, and neutrons
  15. any of the elements found in columnoulumn of the periodic table
  16. When 2 or more substances merge together without losing their original substance
  17. phase change of a substance from a liquid state to a solid
  18. Only contains one atom and on the periodic table
  19. have atoms with a full outer shell of electrons, do not tend to react with other elements, the last column of the periodic table
  20. The sum of protons and neutrons in a single atom
  21. Anything that has mass and occupies space
  22. a element that is a combination of some metal and some nonmetal elements

41 Clues: a gas turns into a liquid • definite shapes and volumes • Atomic number = Number of protons • When two or more elements combined • a horizontal row of the periodic table • Anything that has mass and occupies space • changes when the size of the sample changes • It represents the element in 1 or 2 letters • depends only on the type of matter in a sample • ...

Chemistry Project Crossword 2023-10-01

Chemistry Project Crossword crossword puzzle
Across
  1. Least reactive metal in reactivity series
  2. Loss of electrons in electrolysis
  3. Solid non-metal which conducts electricity
  4. The type of reaction electrolysis is
  5. Liquid which undergoes electrolysis
  6. Used over the option of steel in power cables' inside
  7. Where reduction occurs
  8. Electricity can be used purposely to decompose this(Two words, hyphenated)
  9. An equation which shows the electron transfer at an electrode.
  10. Element other than carbon which makes for inert electrodes
  11. synthetic insulator
  12. Most reactive metal in reactivity series
Down
  1. The charge of an Anode
  2. A fuel cell used to produce electricity where the only chemical product is water
  3. Gain of electrons in electrolysis
  4. Where oxidation occurs
  5. An importance use of electrolysis which can be done when the electrodes are not inert.
  6. Stream of electrons; used in electroplating to coat metals with other metals
  7. Common acronym for redox
  8. Carry currents in liquid in electrolysis (plural)
  9. Carry current through wires and electrodes (plural)
  10. The kind of energy given out in a great deal during the burning of hydrogen in oxygen

22 Clues: synthetic insulator • The charge of an Anode • Where oxidation occurs • Where reduction occurs • Common acronym for redox • Gain of electrons in electrolysis • Loss of electrons in electrolysis • Liquid which undergoes electrolysis • The type of reaction electrolysis is • Most reactive metal in reactivity series • Least reactive metal in reactivity series • ...

Chemistry Root Words 2023-11-28

Chemistry Root Words crossword puzzle
Across
  1. Iso=equal and topos=place
  2. pro=for and positive attribute
  3. neutr=neither
  4. orbi=circle
  5. dec
  6. Electr=eletrial
  7. Valentia=strengh
  8. tri
  9. oid=like
  10. hexa
  11. mono
  12. poly=many
Down
  1. tetra
  2. hepta
  3. co=jointy
  4. Com=with or together
  5. octa
  6. nuc=kernal or center
  7. penta
  8. suffix of second element in binary compounds
  9. di
  10. A=not and tomo=cut
  11. non
  12. rule of eight

24 Clues: di • dec • tri • non • octa • hexa • mono • tetra • hepta • penta • oid=like • co=jointy • poly=many • orbi=circle • neutr=neither • rule of eight • Electr=eletrial • Valentia=strengh • A=not and tomo=cut • Com=with or together • nuc=kernal or center • Iso=equal and topos=place • pro=for and positive attribute • suffix of second element in binary compounds

Matte and Chemistry 2023-11-02

Matte and Chemistry crossword puzzle
Across
  1. pure substance made of only one kind of atom
  2. definite volume and shape
  3. verticle columns on periodic table
  4. horizontal rows of elements
  5. subatomic particle that has no charge
  6. blend of two or more kinds of matter
  7. smallest unit of element that maintains properties of elemt
  8. solid,liquid,gas,plasma
  9. mass of chemical element
  10. mixtures uniform in composition
  11. the combining power of an element
  12. subatomic particle that has a positive charge
Down
  1. positively charged region at the center of atom
  2. the change of a state from a liquid to a gas
  3. definite volume but indefinite shape
  4. a tabular army of the chemical elements
  5. the change of a state from a solid to liquid
  6. a subatomic particle that has a negative charge
  7. mixtures that are not uniform
  8. has neither definite volume nor shape
  9. substance able to disolve
  10. number of protons in the nucleus of an atom
  11. substance made from the atoms of 2 or more elements

23 Clues: solid,liquid,gas,plasma • mass of chemical element • definite volume and shape • substance able to disolve • horizontal rows of elements • mixtures that are not uniform • mixtures uniform in composition • the combining power of an element • verticle columns on periodic table • definite volume but indefinite shape • blend of two or more kinds of matter • ...

Year 8 Chemistry 2023-11-01

Year 8 Chemistry crossword puzzle
Across
  1. A stable subatomic particle occurring in all atomic nuclei.
  2. Means Shiny
  3. is a substance that is chemically joined or exists as its own element.
  4. A change in matter that does not form new substances
  5. Rust
  6. A liquid mixture with a solute and solvent.
  7. Means Stretchy
  8. A change in matter that forms one or more new substances.
  9. two or more elements that have chemically joined together.
  10. Things that make up an object
  11. Alloy a mixture of two or more metals, and may even include non metal elements.
  12. are the smallest blocks of matter that form all our objects - these are made out of individual atoms!
  13. is a chemical reaction with a Hydrocarbon and oxygen to produce Carbon dioxide and water. This reaction releases heat and light.
Down
  1. A combination of substances that can be physically separated.
  2. The new substances formed by a reaction are called
  3. able to dissolve in other substances
  4. hold molecules together and create temporary connections that are essential to life.
  5. In all living cells, Oxygen reacts with sugar to produce Carbon dioxide and water.
  6. a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.
  7. What we breathe out
  8. the minor component in a solution, dissolved in the solvent
  9. Meaning flat and bendy
  10. is a reaction that combines Carbon dioxide and water to produce Sugar and Oxygen under the presence of Sunlight.
  11. A subatomic particle of about the same mass as a proton but without an electric charge.
  12. is a reaction with metals and oxygen to produce a metal oxide. This is a very slow reaction.
  13. An attractive force that holds two atoms together
  14. Atoms with the same number of protons and electrons make one
  15. The substances that react with each other are called
  16. A group of atoms bonded together
  17. The smallest particle of an element
  18. Will react with a metal to produce a metal salt hydrogen.

31 Clues: Rust • Means Shiny • Means Stretchy • What we breathe out • Meaning flat and bendy • Things that make up an object • A group of atoms bonded together • The smallest particle of an element • able to dissolve in other substances • A liquid mixture with a solute and solvent. • An attractive force that holds two atoms together • The new substances formed by a reaction are called • ...

Unit 2 Chemistry 2023-11-09

Unit 2 Chemistry crossword puzzle
Across
  1. substance formed by the chemical combination of two or more elements in definite proportions
  2. the measurement of the amount of solute dissolved in a fixed amount of the solution
  3. A liquid substance capable of dissolving other substances
  4. A reaction that ABSORBS energy in the form of heat, it is required to start the reaction
  5. The ease and speed with which an element combines, or reacts, with other elements and compounds.
  6. the process in which atoms are rearranged to produce new substances
  7. A reaction that releases energy in the form of heat
  8. A group of atoms bonded together
  9. mixture in which two or more substances are so completely blended that it looks like it is made of only one substance
  10. A substance formed/produced in a chemical reaction
  11. A combination of chemical symbols and numbers to represent a substance
  12. A reaction of an acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were.
  13. a mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspensions and that are suspended in a liquid, solid, or gas
  14. A sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  15. A mixture in which particles can be seen and easily separated by settling or filtration
Down
  1. Matter is not created nor destroyed in any chemical or physical change
  2. A substance that is being dissolved in a solution
  3. the ability of one substance to dissolve in another at a given temperature and pressure
  4. a mixture in which the composition is uniform throughout
  5. A system in which both energy and matter can be exchanged between the system and its surroundings
  6. A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture
  7. A combination of two or more substances that are not chemically combined
  8. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  9. A system in which mass is conserved inside the system but energy can enter or leave the system freely
  10. substances that participate in a chemical reaction, the starting substances

25 Clues: A group of atoms bonded together • A substance that is being dissolved in a solution • A substance formed/produced in a chemical reaction • A reaction that releases energy in the form of heat • a mixture in which the composition is uniform throughout • A liquid substance capable of dissolving other substances • ...

Chemistry and Silly 2023-11-08

Chemistry and Silly crossword puzzle
Across
  1. 3 bonds no lone pair
  2. referred to as pie
  3. 6.022E23
  4. type of jacket
  5. non metal bond
  6. F has the highest
  7. outershell
  8. kerr will never lose
  9. K in baseball
  10. mass minus protons
  11. used to weigh
  12. 35 protons
  13. 3p6
  14. PH is less than 7
  15. “I bat lefty but throw righty”
Down
  1. K is always a
  2. the acid of HCl
  3. mix of two animals
  4. very very cold
  5. glass container
  6. reactant that will run out first
  7. second highest paid after qb
  8. dots in a lewis structure
  9. marjories favorite word
  10. heat is absorbed
  11. form of cheese and tires
  12. person who performs magic
  13. to lose electrons
  14. known as “The Great Bambino”
  15. products are always CO2 and H20
  16. water’s density
  17. lost the world series this year
  18. KOH is a
  19. mass divided by volume
  20. Saints dog mascot name

35 Clues: 3p6 • 6.022E23 • KOH is a • outershell • 35 protons • K is always a • K in baseball • used to weigh • very very cold • type of jacket • non metal bond • the acid of HCl • glass container • water’s density • heat is absorbed • to lose electrons • F has the highest • PH is less than 7 • mix of two animals • referred to as pie • mass minus protons • 3 bonds no lone pair • kerr will never lose • mass divided by volume • ...

Grade 9 Chemistry 2023-11-16

Grade 9 Chemistry crossword puzzle
Across
  1. The gas produced when a metal reacts with an acid
  2. This was used by Rutherford to discover the nucleus
  3. He discovered the neutron
  4. When a metal reacts with water a metal _______ is formed
  5. Ice melting is an example of this kind of reaction
  6. This element has the symbol K
  7. The number that tells you how many protons are in an atom
  8. This element has the symbol Na
  9. A pale yellow gas that is a halogen
  10. One of the alkali metals
  11. These particles have a positive charge
Down
  1. A chemical reaction in which energy is given out
  2. These particles have a negative charge
  3. Any reaction where a substance combines with oxygen
  4. This element has the symbol C
  5. This is used to measure temperature changes
  6. The number that tells you the number of protons and neutrons in an atom
  7. One of the noble gases
  8. Another term for burning
  9. A yellowish green gas that is a halogen

20 Clues: One of the noble gases • Another term for burning • One of the alkali metals • He discovered the neutron • This element has the symbol C • This element has the symbol K • This element has the symbol Na • A pale yellow gas that is a halogen • These particles have a negative charge • These particles have a positive charge • A yellowish green gas that is a halogen • ...

Chemistry - MT 1 2023-12-07

Chemistry - MT 1 crossword puzzle
Across
  1. particles of light
  2. a negatively charged ion
  3. unit of energy
  4. a positively charged ion
  5. elements found between metals and nonmetals
  6. bonds formed when atoms share electrons
  7. a mixture in which substances are evenly distributed throughout the mixture
  8. a horizontal row of elements on the periodic table
  9. 0 kelvin
  10. elements found to the left side of the periodic table
Down
  1. a reaction that absorbs energy in the form of heat
  2. group 1 elements
  3. group 17 elements
  4. smallest particle of an element
  5. Avogadro's number of anything
  6. anything that has mass and takes up space
  7. groups of two or more atoms held together by chemical bonds
  8. elements found at the far right side of the periodic table
  9. a chemical reaction that gives off heat
  10. groups 3-12 on the periodic table
  11. the study of the properties of matter and how matter changes
  12. bonds resulting from the attraction between oppositely charged ions
  13. atoms of the same element with different numbers of neutrons
  14. a region in an atom where there is a high probability of finding electrons
  15. a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound

25 Clues: 0 kelvin • unit of energy • group 1 elements • group 17 elements • particles of light • a negatively charged ion • a positively charged ion • Avogadro's number of anything • smallest particle of an element • groups 3-12 on the periodic table • a chemical reaction that gives off heat • bonds formed when atoms share electrons • anything that has mass and takes up space • ...

Chemistry Names (Difficult!!) 2023-11-15

Chemistry Names (Difficult!!) crossword puzzle
Across
  1. Mo
  2. Na
  3. SF6
  4. Density close to gold (W)
  5. Au
  6. CO
  7. CH4
  8. N2O3
  9. means five
Down
  1. CO2
  2. I3
  3. Element in organic compounds
  4. Pb
  5. Br2
  6. U
  7. Metal melts at 88F
  8. means three
  9. Used in lights
  10. Ag
  11. means four

20 Clues: U • Mo • I3 • Na • Pb • Au • CO • Ag • CO2 • SF6 • Br2 • CH4 • N2O3 • means five • means four • means three • Used in lights • Metal melts at 88F • Density close to gold (W) • Element in organic compounds

Crossword Puzzle Chemistry 2023-12-12

Crossword Puzzle Chemistry crossword puzzle
Across
  1. atomic particle with no charge
  2. atomic particle with a negative charge
  3. center of an atom with neutrons and protons
  4. a metal is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well
  5. formed between two or more atoms by the transfer of one or more electrons between atoms
  6. a substance that flows freely but is of constant volume
  7. a negativily charged ion
  8. a covalent bonded set of two or more atoms, or of a metal complex, that can be considered to behave as a single unit and that has a net charge that is not zero
  9. a connection between two surfaces or objects that have been joined together, especially by means of an adhesive substance, heat, or pressure
  10. a substance or matter in a state in which it will expand freely to fill the whole of a container
  11. a chemical bond formed when electrons are shared between two atoms
Down
  1. the electrons in the outermost shell, or energy level, of an atom
  2. an element or substance that is not a metal
  3. process of a solid transforming into a liquid
  4. a positively charged ion
  5. a covalent bond between two atoms where the electrons forming the bond are unequally distributed
  6. atomic particle with a positive charge
  7. a metalloid is a type of chemical element which has a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals
  8. firm and stable in shape; not liquid or fluid.
  9. a type of bond that occurs when two atoms share a pair of electrons with each other

20 Clues: a positively charged ion • a negativily charged ion • atomic particle with no charge • atomic particle with a negative charge • atomic particle with a positive charge • an element or substance that is not a metal • center of an atom with neutrons and protons • process of a solid transforming into a liquid • firm and stable in shape; not liquid or fluid. • ...

Chemistry Vocabulary Review 2023-12-13

Chemistry Vocabulary Review crossword puzzle
Across
  1. The topic of naming ions and compounds; involves identifying the name or formula
  2. _____ diagrams are used to show the order of orbitals are filled when writing electron configurations
  3. A substance made up of multiple atoms bonded together
  4. After electrons get excited, they release energy called atomic ______ to return to their original energy level
  5. The agreement of a set of measurements with the true/right value
  6. _______ of a chemical reaction are signs that the reaction has occurred. These include a change in odor, emission of energy, and gas production
  7. The percent __________ describes the relative amounts of the elements in compound, which helps show the compound’s makeup
  8. Measures heat and can be measured in 3 different units: Kelvin, Celsius, and Fahrenheit
  9. Nuclear _______ can be found as three types, Alpha, Beta, and Gamma.
  10. Matter can be found in four main _____, solid, liquid, gas, and plasma. This describes the phase that the matter is in.
  11. This type of formula is the simplified version of a chemical formula
  12. A version of an atom that has the same number or protons but a different number of neutrons
  13. Percent _____ shows how accurate/correct your experimental data is compared to the known, accepted value.
  14. Safety ______ are a type of lab equipment, used to protect the eyes from fumes, chemicals, and/or glass.
  15. ______ electrons are the electrons found in the outermost shell of an atom
  16. The ____ of reaction measures the speed at which a chemical reaction happens
  17. The scientific field that is centered around the study of matter
  18. This type of element is a good conductor that is malleable and ductile, and typically a cation
Down
  1. The _______ Table is an organized array that features all of the elements, organized by atomic number.
  2. A tightly bound group of atoms that form a single unit with a charge
  3. Light can be modeled as a ____, which has a wavelength, amplitude, and frequency
  4. Scientific ______ is a way to report numbers in the form _.______ x 10_
  5. Lab ___ describes the materials and tools used when performing an experiment
  6. The SI unit for amount in a sample. The number of particles in one of these is equal to Avogadro’s Number
  7. This type of bond occurs between a metal and a nonmetal and involves the giving of electrons
  8. _____ Particles are smaller pieces within atoms, namely protons, neutrons, and electrons
  9. This is a bonding theory that helps to identify electron pair geometry and molecular geometry of a compound
  10. This type of element is a poor conductor that is brittle and dull, and typically an anion
  11. The Scientific _______ is a process with 6 steps that is important for all scientific discoveries
  12. Describes how much matter is fit into a certain amount of space.
  13. The _____ Spectrum includes waves of various wavelengths and frequencies, ranging from Gamma rays to radio waves
  14. A cylindrical glass container that can be used to store, heat, and mix substances
  15. Components of an atom in which electrons are held. Types are s, p, d, f, and g
  16. This type of bond occurs between two nonmetals and involves the sharing of electrons
  17. A chemical _____ outlines the reactants and products of a reaction separated by an arrow; acts as a recipe
  18. Anything that has mass and takes up space

36 Clues: Anything that has mass and takes up space • A substance made up of multiple atoms bonded together • The agreement of a set of measurements with the true/right value • Describes how much matter is fit into a certain amount of space. • The scientific field that is centered around the study of matter • ...

Grade 9 Chemistry 2023-11-22

Grade 9 Chemistry crossword puzzle
Across
  1. An example of an endothermic process
  2. The chemical name for rust
  3. This is formed when calcium reacts with hydrochloric acid
  4. 20% of the air is this gas
  5. An element with the chemical symbol Be
  6. Group 8 elements are known as .........
  7. This is where you find electrons
  8. Group 7 elements are known as the........
  9. This is formed when charcoal burns
  10. How many electrons fit in the second shell
  11. Group 1 elements are known as the......
  12. Rusting is this type of reaction
  13. One of the noble gases
  14. He discovered the proton
  15. A type of fuel
Down
  1. These are found inside the nucleus
  2. This material can be used instead of glass to measure temperature changes in chemical reactions
  3. This substance added to citric acid is an endothermic reaction
  4. These are found on the right-hand side of the Periodic Table
  5. These atomic particles have no charge
  6. How many electrons fit in the first shell
  7. In an endothermic reaction, the temperature .......
  8. These are on the left-hand side of the Periodic Table
  9. An element with the chemical symbol Si
  10. chloride Dissolving this chemical is an endothermic process
  11. One of the alkali metals
  12. In an exothermic reaction the temperature .........
  13. This is formed with the combustion of hydrogen
  14. He discovered the electron
  15. This is needed for combustion

30 Clues: A type of fuel • One of the noble gases • One of the alkali metals • He discovered the proton • The chemical name for rust • 20% of the air is this gas • He discovered the electron • This is needed for combustion • This is where you find electrons • Rusting is this type of reaction • These are found inside the nucleus • This is formed when charcoal burns • ...

unit 2- chemistry 2023-09-25

unit 2- chemistry crossword puzzle
Across
  1. The arrangement of electrons in an atom
  2. - with no mass that carries a quantum energy
  3. consists of all radiation
  4. atoms that determine the chemical properties of an element and it’s on the outer orbital
  5. atom/atoms with either a positive or negative charge
  6. The shortest distance between equivalent points on a continuous wave Energy-sublevel- The energy levels contained within a principal energy level.
  7. an equation that shows the atomic and mass number
  8. particle with 2 protons and 2 neutrons
  9. ion with a negative charge
  10. a form of energy that travels through space
  11. minimum amount of energy
  12. number of waves that pass a given point
  13. the rays and particles emitted by live materials
Down
  1. a process where substances emit radiation
  2. rule- atoms share, lose, or gain electrons to be stable
  3. Major energy levels of an atom
  4. lowest energy state of an atom
  5. Particle- high-speed charge that is emitted during the decay
  6. A model that uses dots to represent pairs or lines for the bond and it shows how electrons are arranged
  7. ion with a positive charge
  8. Ray- high speed with no electrical charge

21 Clues: minimum amount of energy • consists of all radiation • ion with a positive charge • ion with a negative charge • Major energy levels of an atom • lowest energy state of an atom • particle with 2 protons and 2 neutrons • The arrangement of electrons in an atom • number of waves that pass a given point • a process where substances emit radiation • ...

REVISION IN CHEMISTRY 2023-05-23

REVISION IN CHEMISTRY crossword puzzle
Across
  1. solid turns into gas
  2. is used to separate solids of different sizes
  3. a technique used to get salt from seawater
  4. an indicator of a chemical change - formed when mixing baking soda and vinegar
  5. the substance that didn't pass the filter paper
  6. the process of breaking down solute
  7. the dissolving substance
  8. the substance being dissolved
  9. has a North pole and a South pole
  10. an indicator of a chemical change - an example is the ripening of fruits
  11. a common example of a magnetic material
  12. measure of how hot or cold an object is
  13. gas turns into solid
  14. liquid turns into gas
  15. the ability of a liquid to mix with another liquid to form a solution
  16. a type of change that produces a new substance
Down
  1. the ability to reduce the volume of something when pressure is applied.
  2. a type of solution that reached the maximum amount of dissolved solute
  3. unit of temperature
  4. is anything that has mass and volume
  5. is the property that is definite for solids but indefinite for liquids and gases
  6. is the space occupied by the matter
  7. particles are compact
  8. is compressible
  9. gas turns into liquid
  10. combination of a solute and a solvent
  11. a tool to measure temperature
  12. the substances that passed through the filter paper
  13. is used to separate solid + liquid mixture
  14. solid turns into liquid
  15. a mixture with two or more visible parts or layers
  16. liquid turns into solid
  17. an indicator of a chemical change - an example is the smell of a decaying body
  18. a type of change that does not produce any new substance
  19. particles are sliding past one another

35 Clues: is compressible • unit of temperature • solid turns into gas • gas turns into solid • particles are compact • gas turns into liquid • liquid turns into gas • solid turns into liquid • liquid turns into solid • the dissolving substance • the substance being dissolved • a tool to measure temperature • has a North pole and a South pole • is the space occupied by the matter • ...

Chemistry & Chemical Safety 2023-08-22

Chemistry & Chemical Safety crossword puzzle
Across
  1. material that is capable of igniting and burning
  2. abbreviated O/W emulsion; oil droplets emulsified in water
  3. alcohols that evaporate easily
  4. a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
  5. chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  6. the smallest chemical components (often called particles) of an element
  7. required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  8. a stable, uniform mixture of two or more substances
  9. a measure of the acidity and alkalinity of a substance
  10. also known as bases; compounds that react with acids to form salts
  11. an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  12. an ion with a negative electrical charge
  13. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  14. the abbreviation used for potential hydrogen.
  15. the substance that is dissolved in a solution
  16. abbreviated W/O emulsion; water droplets emulsified in oil
  17. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  18. the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
  19. an atom or molecule that carries an electrical charge
  20. chemical reaction that releases a significant amount of heat
  21. sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  22. abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
  23. liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  24. subatomic particles with no charge
  25. a substance that causes or is believed to cause cancer
Down
  1. also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
  2. a solution that has a pH below 7
  3. rapid oxidation of a substance accompanied by the production of heat and light
  4. a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
  5. an alpha hydroxy acid used in exfoliation and to lower the pH of products
  6. molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. the substance that dissolves the solute and makes a solution
  8. special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  9. abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
  10. a chemical combination of matter in definite (fixed) proportions
  11. an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  12. when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
  13. a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
  14. unstable physical mixtures of undissolved particles in a liquid
  15. substances that should not be mixed or even stored near each other
  16. a substance that releases oxygen
  17. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  18. characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
  19. liquids that are not capable of being mixed together to form stable solutions
  20. a change in the chemical composition or makeup of a substance
  21. material that is capable of igniting and burning, and easier to ignite than combustible material
  22. a solution that has a pH above 7
  23. characteristics that can be determined only by a chemical reaction and a chemical change in the substance
  24. the separation of an atom or molecule into positive and negative ions
  25. subatomic particles with a negative charge
  26. a very strong alkali used in chemical products and cleaners; commonly known as lye
  27. alkaline substances used to neutralize acids or raise the pH of many hair products
  28. easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  29. any substance that occupies space and has mass
  30. subatomic particles with a positive charge
  31. an ion with a positive electrical charge
  32. science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
  33. a chemical combination of two or more atoms in definite (fixed) proportions

58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...

Introduction to Chemistry 2023-08-22

Introduction to Chemistry crossword puzzle
Across
  1. a proposed explanation for an observation that should be an if/then statement
  2. measure of how close a series of measurements are to one another, irrespective of the actual value
  3. measures of values or counts and are expressed as numbers
  4. procedure or process that is used to test a hypothesis
  5. the area that deals with the mechanism, rate, energy transfer that occurs when matter undergoes a change
  6. the study of the composition of matter and the changes that matter undergoes
  7. the area of study that focuses on the composition of matter
  8. this is based in what you see and wondering what is happening
  9. the study of chemicals that, in general, do not contain carbon
  10. the variable that you change
Down
  1. research that is directed toward a practical goal or application
  2. scientist interprets data to answer hypothesis, can take several experiments or several trails for the to come up with
  3. data that approximates and characterizes information based on the 5 senses
  4. measure of how close a measurement comes to the actual or true value of whatever is measured
  5. the variable that you observe
  6. a logical, systematic approach to the solution of a scientific problem
  7. the study of processes that take place in living organisms
  8. the pursuit of chemical knowledge for its own sake
  9. Well tested explanation for a broad set of obsevations
  10. any variable that could have been changed, now must remain the same to get consistent and accurate data
  11. the study of all chemicals containing carbon
  12. concise statement that summarizes the results of many observations and experiments

22 Clues: the variable that you change • the variable that you observe • the study of all chemicals containing carbon • the pursuit of chemical knowledge for its own sake • procedure or process that is used to test a hypothesis • Well tested explanation for a broad set of obsevations • measures of values or counts and are expressed as numbers • ...

Chemistry Word Puzzle 2023-08-22

Chemistry Word Puzzle crossword puzzle
Across
  1. a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
  2. an element intermediate in properties between the typical metals and nonmetals
  3. a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
  4. consist of oxygen and one other element
  5. a heterogeneous mixture of a finely distributed solid in a liquid.
  6. a substance that can neutralize the acid by reacting with hydrogen ions.
  7. a type of matter that has no defined shape or volume.
  8. a homogenous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility.
  9. a method of separating mixtures based on differences in their volatilities in a boiling liquid mixture.
  10. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
Down
  1. a bond exclusively between metals.
  2. a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
  3. a substance made from two or more different elements that have been chemically joined.
  4. a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
  5. a mixture in which the composition is not uniform throughout the mixture.
  6. an element or substance that is not a metal.
  7. made up of the negative ion (anion) of an acid and the positive ion (cation) of a base.
  8. a homogeneous non crystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance.
  9. firm and stable in shape; not liquid or fluid.
  10. a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.

20 Clues: a bond exclusively between metals. • consist of oxygen and one other element • an element or substance that is not a metal. • firm and stable in shape; not liquid or fluid. • a type of matter that has no defined shape or volume. • a heterogeneous mixture of a finely distributed solid in a liquid. • ...

Chemistry Unit 3 2023-12-21

Chemistry Unit 3 crossword puzzle
Across
  1. equipment used to test pH value of an acid or alkali
  2. element symbol Li
  3. reaction when a more reactive element dsiplaces a less reactive element
  4. a base that can be dissolved in water
  5. _________ change that can be reversed
  6. reaction when energy is given out to the surrounding
  7. _______indicator used to test for an acid or alkali
  8. element symbol Ca
  9. _________ acid with a chemical formula HNO3
  10. state symbol (s)
Down
  1. element symbol Mg
  2. element in group 3 on the reactivity series
  3. ________ acid with a chemical formula HCl
  4. ___________ change that cannot be reverse
  5. reaction when energy is taken in from the surroundings
  6. most reactive element on the reactivity series
  7. _________ paper used to test for an acid of alkali
  8. least reactive element on the reactivity series
  9. ___________ acid with a chemical formulae H2SO4
  10. can go back to what you started with
  11. state symbol (l)
  12. state symbol (g)

22 Clues: state symbol (l) • state symbol (g) • state symbol (s) • element symbol Mg • element symbol Li • element symbol Ca • can go back to what you started with • a base that can be dissolved in water • _________ change that can be reversed • ________ acid with a chemical formula HCl • ___________ change that cannot be reverse • element in group 3 on the reactivity series • ...

Organic Chemistry Crossword 2024-05-12

Organic Chemistry Crossword crossword puzzle
Across
  1. compound containing two OH groups
  2. donates an electron pair
  3. "electron loving"
  4. IMF based on surface area
  5. apparatus with a light that is used to check for specific rotation
  6. the only reversible aromatic reaction
  7. amphoteric molecule
  8. non carbon or hydrogen atoms
  9. terrible leaving group in SN2/E2
  10. the flow of electrons in a pi bond or orbital
  11. reaction where a pi bond is broken
  12. accepts an electron pair
  13. carbon with four different attachments
Down
  1. the mixing of atomic orbitals to form new hybrid orbitals
  2. hydrocarbons with (E)/(Z) notation
  3. synthetic fats
  4. building block of the phospholipid bilayer
  5. second step of bromination
  6. separation of charges
  7. halid electrophile in SN2
  8. hydrocarbons with carbons that are held together by single bonds
  9. reaction where a pi bond is formed
  10. "nucleus loving"

23 Clues: synthetic fats • "nucleus loving" • "electron loving" • amphoteric molecule • separation of charges • donates an electron pair • accepts an electron pair • IMF based on surface area • second step of bromination • halid electrophile in SN2 • non carbon or hydrogen atoms • terrible leaving group in SN2/E2 • compound containing two OH groups • hydrocarbons with (E)/(Z) notation • ...

Chemistry Benchmark Review 2024-05-09

Chemistry Benchmark Review crossword puzzle
Across
  1. number of valence electrons of oxygen
  2. moles divided by liters
  3. Al2(SO4)3 contains how many sulfate ions?
  4. the number of significant digits in 1.0002
  5. a bond type that exists between a metal and nonmetal.
  6. a student measures a 15mL sample to be 23mL. The student checks again and gets 23mL. The student checks a third time and gets 23mL. Accurate or Precise?
  7. Celsius + 273.15
  8. four carbon dioxide molecules would contain how many oxygen atoms?
  9. number of protons oxygen atoms have.
  10. molar mass of water (in words)
  11. The current model of the atom
  12. Sulfur-32 has less __________ than Sulfur-34.
  13. 3x10^5
Down
  1. A + B = AB (a chemical reaction type where two things become one)
  2. equilibrium: a balance of products and __________.
  3. the number of carbon atoms it takes to make a single C4H10.
  4. This, along with pressure, increases when temperature increases.
  5. a formula often used in lab to describe accuracy of your result.
  6. a bond type that shares electrons
  7. triphosphorus pentanitride
  8. measures the hydrogen ion concentration, below 7 is acidic
  9. the molecular geometry of water
  10. The solid sphere/billiard ball model was the first model of the _____.
  11. formula for aluminum chloride.
  12. the pressure inside an container that contains two gases, each at 250 psi

25 Clues: 3x10^5 • Celsius + 273.15 • moles divided by liters • triphosphorus pentanitride • The current model of the atom • molar mass of water (in words) • formula for aluminum chloride. • the molecular geometry of water • a bond type that shares electrons • number of protons oxygen atoms have. • number of valence electrons of oxygen • Al2(SO4)3 contains how many sulfate ions? • ...

Chemistry- Semester 2 2024-05-16

Chemistry- Semester 2 crossword puzzle
Across
  1. this law expresses the relationship between pressure, temperature, and volume
  2. substance which is neither acidic or basic
  3. universal solvent
  4. a heat transfer when warm rises from from cooler either from gases or liquids
  5. contains more dissolved solute than a saturated solution (crystals are formed)
  6. a solution with a relatively high concentration
  7. element present in all acids
  8. a number written in front of a reactant or product of a chemical equation
  9. solute that dissolves in a solvent
  10. homogeneous mixtures
  11. a solution with a relatively low concentration
  12. substances that are formed as a result of a chemical reaction
  13. weak base used to neutralize stomach acidity
Down
  1. a form of energy
  2. this variable has units of mL or L
  3. contains less dissolved solute that a saturated (more solute can be dissolved)
  4. a heat transfer when there is no contact between the heat source and the object being heat
  5. it has never been this cold= zero K
  6. contains the maximum amount of dissolved solute in a solvent
  7. the substance that takes part in or undergoes change in a chemical reaction
  8. the ability to do work or supply heat
  9. the unit that represents the amount of a substance
  10. a heat transfer when two objects are in contact with each other
  11. experimental measurement of the amount of products obtained from a chemical reaction
  12. this law describes the relationship between pressure and volume of a gas
  13. law that talks about how volume and temperature are directly proportional

26 Clues: a form of energy • universal solvent • homogeneous mixtures • element present in all acids • this variable has units of mL or L • solute that dissolves in a solvent • it has never been this cold= zero K • the ability to do work or supply heat • substance which is neither acidic or basic • weak base used to neutralize stomach acidity • ...

EOG Review Chemistry 2024-05-16

EOG Review Chemistry crossword puzzle
Across
  1. an element that conducts heat and electricity, mostly solids
  2. the smallest unit of an element that has all the properties
  3. an element that does not conduct electricity or heat, mostly gases
  4. electrons that are located in the outermost shell of an atom
  5. the number of protons contained in each nucleus
  6. a substance that cannot be broken down into a simpler substance
  7. a mixture that is uniform and you cannot see the individual substances
  8. a chart that organizes information about all the known elements according to their properties
  9. a vertical column on the periodic table
  10. gas, smoke, color change, formation of a precipitate, change in temperature
  11. a pure substance that is made of two or more elements that are chemically combined
Down
  1. a scientific law that states that during a chemical reaction, matter cannot be created or destroyed but an be changed into a different form
  2. a change that can be reversed and nothing new formed
  3. a mixture that is not uniform ad the components can be visibly distinquished
  4. anything that has mas and takes up space
  5. an element that has some properties of a metal and some of a nonmetal
  6. a horizontal row on the periodic table
  7. describes how likely an element is to form bonds with other elements
  8. a change that cannot be reversed and something new with different properties is created
  9. chemical formula(s) to the right of the arrow in a chemical equation
  10. the smallest unit of a compound that has all the properties
  11. chemical formula(s) to the left of the arrow in a chemical equation

22 Clues: a horizontal row on the periodic table • a vertical column on the periodic table • anything that has mas and takes up space • the number of protons contained in each nucleus • a change that can be reversed and nothing new formed • the smallest unit of an element that has all the properties • the smallest unit of a compound that has all the properties • ...

Chemistry Bonus Crossword 2024-04-23

Chemistry Bonus Crossword crossword puzzle
Across
  1. an atom that accepts electrons in an SD reaction is being __
  2. HNO3 is an example of what?
  3. this scientist is credited with discovering the nucleus
  4. substances that are volatile vaporize easily
  5. when two or more reactants combine to make a single product
  6. the ______ effect is when light is reflected from dispersed particles in a colloid
  7. as temperature decreases, pressure ________
  8. a substance goes directly from a gas to a solid
  9. how many sig figs are in the number: 2340.
  10. larger gases move slower whereas smaller gases move ______
  11. how close a series of measurements are to each other
  12. separating alcohol from water is an example of _____
Down
  1. the smallest ratio of cations to anions is called _________
  2. atoms of the same element with a different number of neutrons
  3. liquids of the periodic table include Bromine and _______
  4. liquids _______ to gases
  5. when written out, reversible reactions have a ______
  6. many ionic compounds are ________ in water
  7. a ______ reaction is where more energy is used to break apart the solute
  8. the change in heat of the products from the reactants

20 Clues: liquids _______ to gases • HNO3 is an example of what? • many ionic compounds are ________ in water • how many sig figs are in the number: 2340. • as temperature decreases, pressure ________ • substances that are volatile vaporize easily • a substance goes directly from a gas to a solid • when written out, reversible reactions have a ______ • ...

Unit 9 Chemistry 2024-04-24

Unit 9 Chemistry crossword puzzle
Across
  1. The amount of pressure of individual elements or compounds that make up the pressure of the entire system
  2. When the equilibrium of a system is disturbed, the system will adjust to reestablish equilibrium
  3. How close or far apart the molecules are to each other
  4. The idea that a chemical reaction occurs when two particles collide
  5. A table that shows the initial, change, and equilibrium amounts in a reaction
  6. The resulting chemicals from a reaction
  7. The starting chemicals
  8. The reduction of excess by consuming it
  9. A substance not involved in the reaction that increases the rate of reaction
  10. The expression that shows how the reaction is before reaching equilibrium
  11. The reduction of deficit by making more
  12. When the reaction is balanced and stops producing reactants or pdocuts
Down
  1. The energy at which a reaction begins
  2. A reaction that can go forwards and backwards
  3. A reaction that loses energy over time
  4. The expression that shows what the reaction will look like at equilibrium
  5. The increase in energy from the energy in the reactants to the activation complex
  6. A reaction that completely consumes the reactants
  7. A transformation from one chemical to another
  8. A reaction that gains energy over time

20 Clues: The starting chemicals • The energy at which a reaction begins • A reaction that loses energy over time • A reaction that gains energy over time • The resulting chemicals from a reaction • The reduction of excess by consuming it • The reduction of deficit by making more • A reaction that can go forwards and backwards • A transformation from one chemical to another • ...

Chemistry Vocabulary Crossword 2024-05-16

Chemistry Vocabulary Crossword crossword puzzle
Across
  1. positively-charged atomic particle
  2. the number of protons in an atom
  3. type of reaction in which one reactant becomes two or more products
  4. the results of a chemical reaction
  5. a homogeneous mixture in which one substance is dissolved
  6. if a reaction absorbs heat, it is ______
  7. type of equation which shows only the ions which participate in the reaction
  8. the affinity of an atom for electrons
  9. the movement of gas particles through a small hole
  10. type of electron in the outermost energy level
  11. the reagent that determines the yield of products
  12. the calculation of quantities in chemical reactions
  13. atom with a positive charge
Down
  1. when the forward and reverse reactions rates are equal
  2. the energy required for a chemical reaction to happen
  3. a mixture with large particles that do not dissolve
  4. a substance that changes color in the presence of an acid or base
  5. type of bond in which electrons are shared
  6. a quantity equal to Avogadro's number
  7. atoms with different numbers of neutrons
  8. a measure of the amount of solute dissolved in a solvent
  9. when a solution contains the maximum amount of solute, it is _____
  10. the type of acid that is a proton donor
  11. a row across the periodic table
  12. substance that speeds up a chemical reaction
  13. the heat flow of a system at constant pressure
  14. the simplest type of any substance
  15. turning a liquid into a gas through evaporation
  16. region of space where an electron is most likely found
  17. element in group 7A on the periodic table

30 Clues: atom with a positive charge • a row across the periodic table • the number of protons in an atom • positively-charged atomic particle • the results of a chemical reaction • the simplest type of any substance • a quantity equal to Avogadro's number • the affinity of an atom for electrons • the type of acid that is a proton donor • if a reaction absorbs heat, it is ______ • ...

Chemistry reference table 2024-05-20

Chemistry reference table crossword puzzle
Across
  1. 7 carbon atoms
  2. 2260j/g*k
  3. HCl
  4. Highest vapor pressure
  5. Least active metal
  6. q=mc^t
  7. 14u
  8. HNO3(aq)
  9. R-OH
  10. 146 atomic radius
  11. 10^-6
  12. R-O-R'
  13. n
  14. Methyl orange 3.0
  15. Red to blue
Down
  1. B+
  2. Moles over liters
  3. element with the highest electronegativity
  4. 101.3 kpa or 1 atm
  5. CnH2n+2
  6. 1 carbon atom
  7. g as in mass
  8. In all organic compounds
  9. Amount of substance
  10. Least active nonmetal
  11. Most active metal

26 Clues: n • B+ • HCl • 14u • R-OH • 10^-6 • q=mc^t • R-O-R' • CnH2n+2 • HNO3(aq) • 2260j/g*k • Red to blue • g as in mass • 1 carbon atom • 7 carbon atoms • Moles over liters • 146 atomic radius • Most active metal • Methyl orange 3.0 • 101.3 kpa or 1 atm • Least active metal • Amount of substance • Least active nonmetal • Highest vapor pressure • In all organic compounds • element with the highest electronegativity

Chemistry revision crossword 2024-07-01

Chemistry revision crossword crossword puzzle
Across
  1. The maximum mass of a solute that will dissolve in 100g of a solvent at a fixed temperature.
  2. The electrostatic attraction between positively charged metal ions and the negatively charged sea of delocalised electrons.
  3. A technique used to separate an insoluble solid from a solution.
  4. bond The electrostatic attraction between oppositely charged ions.
  5. a subatomic particle with a mass of approximately 1/1840.
  6. A technique used to separate pure water from salt solution.
  7. A small group of covalently bonded atoms.
  8. Atoms with the same number of protons but a different number of neutrons.
  9. A piece of apparatus used to add a variable volume of a solution to the reaction vessel.
  10. The electrostatic attraction between a shared pair of electrons and the nuclei of two atoms.
  11. A type of equation that must be comprised of chemical formulae, showing the reactants and products of a reaction.
  12. When a solid changes state to form a gas.
  13. The structure found in diamond.
  14. a subatomic particle with a charge of +1.
Down
  1. Dissolves in water.
  2. The structure found in ionically bonded substances.
  3. A substance that released hydrogen ions in solution.
  4. The number of protons in an atom of carbon.
  5. The structure found in small covalently bonded substances.
  6. The insoluble solid that is collected on the filter paper.
  7. A technique used to separate liquids with similar boiling points.
  8. A soluble base.
  9. Made up of protons, neutrons and electrons.
  10. point The temperature at which a substance will melt or freeze.
  11. The solution which passes through filter paper and is collected.
  12. A column of elements in the Periodic Table which share similar chemical properties.
  13. A row of elements in the Periodic Table.
  14. Does not dissolve in water.
  15. A number calculated by dividing the distance travelled by a spot of dye by the distance reached by the solvent front.
  16. The process whereby particles mix and spread out over time, moving from a higher to a lower concentration.
  17. The number of neutrons in an atom of fluorine.
  18. A substance where the hydrogen from an acid has been replaced with another positive ion such as a metal or ammonium ion.
  19. A substance which neutralises alkalis.
  20. A charged particle.
  21. An acid which only slightly dissociates into hydrogen ions in solution.
  22. A technique used to separate different dyes in a solution.

36 Clues: A soluble base. • Dissolves in water. • A charged particle. • Does not dissolve in water. • The structure found in diamond. • A substance which neutralises alkalis. • A row of elements in the Periodic Table. • A small group of covalently bonded atoms. • When a solid changes state to form a gas. • a subatomic particle with a charge of +1. • ...

Chemistry Honors Elements 2024-08-01

Chemistry Honors Elements crossword puzzle
Across
  1. W
  2. Lv
  3. Au
  4. Mo
  5. Zr
  6. At
  7. Xe
  8. La
  9. Sr
  10. Rn
  11. Ir
  12. Cs
  13. Cd
  14. Sb
  15. Hg
  16. Th
  17. Pd
  18. In
  19. Rb
Down
  1. Pa
  2. Te
  3. Fl
  4. Os
  5. Ag
  6. I
  7. Sn
  8. Pu
  9. Np
  10. Pt
  11. U
  12. Bi
  13. Fr
  14. Ba
  15. Pb
  16. Ra
  17. Po

36 Clues: W • I • U • Pa • Te • Fl • Os • Lv • Ag • Au • Sn • Pu • Mo • Np • Zr • At • Xe • Pt • La • Sr • Bi • Rn • Ir • Fr • Ba • Pb • Cs • Cd • Sb • Hg • Ra • Th • Po • Pd • In • Rb

Intro to chemistry 2024-03-27

Intro to chemistry crossword puzzle
Across
  1. ______ expands to occupy space
  2. when solids are removed from a liquid via ____
  3. what color is the safety flame?
  4. where does the word 'chromatography' come from?
  5. The weight of an object can be called?
  6. _________ maintains its shape
  7. what is used to burn stuff?
  8. the procedure to make discoveries.
  9. what container does ice melt the slowest?
  10. When something decreases in size
  11. after doing an experiment you need to do a scientific ______
  12. _____ adapts to the shape of the object its put into
  13. What anagram is used when using the Bunsen burner
  14. something that can't dissolve
  15. how many states of matter is there
  16. a substance that dissolves a solute
Down
  1. The scientific word for 'burning'
  2. you can speed up a dissolving process by ______ it
  3. _________ the amount of the object
  4. the _____ gas is in the taps at the chemistry lab
  5. you need to ____ the right amount to make the experiment work
  6. when something expands
  7. we use _____ to boil water
  8. changing state from solid to liquid
  9. you need a _____ to make sure the tables do not get burned
  10. wearing ____ will prevent stuff getting into your eyes
  11. the result of two substances mixed together.
  12. Changing state from a solid to a gas
  13. _____ is the name for a solid that forms into a liquid during a chemical reaction
  14. something that is used to dissolve in a solvent.
  15. you need to ___ long hair back

31 Clues: when something expands • we use _____ to boil water • what is used to burn stuff? • _________ maintains its shape • something that can't dissolve • ______ expands to occupy space • you need to ___ long hair back • what color is the safety flame? • When something decreases in size • The scientific word for 'burning' • _________ the amount of the object • ...

Chemistry grade X 2024-03-18

Chemistry grade X crossword puzzle
Across
  1. Be adalah lambang atau singkatan dari unsur
  2. unsur yang berbeda dengan jumlah neutron yang sama disebut
  3. ilmuwan yang melakukan percobaan spektrum hidrogen untuk teori atom
  4. gabungan dari dua unsur atau lebih
  5. jika jumlah elektron > jumlah proton karena penerimaan elektron kondisi ini disebut
  6. unsur yang memiliki kulit terluar 2 maka termasuk kedalam periode ke
  7. jika jumlah proton > jumlah elektron karena pelepasan elektron kondisi ini disebut
  8. jika unsur-unsur disusun berdasarkan kenaikan nomor massa atom, sifat unsur tersebut akan berulang pada unsur kedelapan merupakan hukum oktaf yang dikemukakan oleh
  9. alat di laboratorium yang digunakan untuk memindahkan zat cair
  10. alat di laboratorium untuk mengambil zat yang berbentuk padat dan berukuran kecil
Down
  1. campuran yang tidak dapat dibedakan antara zat-zat yang tercampur di dalamnya
  2. minyak dan air adalah contoh campuran ini yang disebut sebagai
  3. unsur yang memiliki elektron valensi 5 maka termasuk kedalam golongan
  4. alat di laboratorium yang membantu untuk memasukkan larutan ke tempat yang berisi sampel bahan kecil
  5. C adalah lambang atau singkatan dari unsur
  6. golongan VIII A atau gas mulia dikenal dengan golongan yang sangat ... dibandingkan dengan golongan lainnya
  7. sebutan untuk golongan IA yang terletak di paling kiri dari tabel periodik
  8. unsur sama (jumlah proton sama), tetapi massa berbeda (jumlah neutron berbeda) disebut
  9. bilangan determinan untuk menentukan posisi elektron dalam atom
  10. TIDAK ADA dua elektron dalam orbital yang sama memiliki empat bilangan kuantum yang sama merupakan larangan dari

20 Clues: gabungan dari dua unsur atau lebih • C adalah lambang atau singkatan dari unsur • Be adalah lambang atau singkatan dari unsur • unsur yang berbeda dengan jumlah neutron yang sama disebut • minyak dan air adalah contoh campuran ini yang disebut sebagai • alat di laboratorium yang digunakan untuk memindahkan zat cair • ...

Chemistry and Biology 2024-02-16

Chemistry and Biology crossword puzzle
Across
  1. point temperature at which a liquid becomes a gas
  2. Has no apparent current function
  3. A substance that cannot be broken down by chemical means
  4. Type of ionic compound
  5. Positively charged particles
  6. Negatively charge particles
  7. linked by amino acids.
  8. Most abundant element.
  9. The combination of alleles that give rise to a phenotype
Down
  1. results to two identical daughter cells.
  2. Produce hydrogen ions in solution
  3. used to describes different versions genes
  4. A malleable, conductive, and ductile substance.
  5. When two opposing reactions happens at the same time
  6. The science of classifying things
  7. atoms of an element with different masses.
  8. Might be calibrated in Fahrenheit or centigrade
  9. an atom or molecule with a net electrical charge
  10. The component of solution present in larger amount
  11. combination of two or more atoms

20 Clues: Type of ionic compound • linked by amino acids. • Most abundant element. • Negatively charge particles • Positively charged particles • Has no apparent current function • combination of two or more atoms • Produce hydrogen ions in solution • The science of classifying things • results to two identical daughter cells. • used to describes different versions genes • ...

Chemistry of Life 2023-10-16

Chemistry of Life crossword puzzle
Across
  1. water can dissolve most substances
  2. able to dissolve substances
  3. solutions that have a pH below 7
  4. why is controlling pH important for the body
  5. the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension.
  6. solutions with more hydroxide ions than hydrogen
  7. property that allows water to stick to other things
  8. an equal amount of hydrogen and hydroxide ions
  9. property that allows water to stick to water
  10. strong connector within water molecule
  11. important property that allows light to go into a body of water
  12. A mixture (ex:sugar and water)
  13. A weak connector between water molecules
Down
  1. water has the potential for what type of ions
  2. pH represents a factor of 10 in what type of scale
  3. the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.
  4. water is a temperature stabilizer because it has the ability to absorb a lot of
  5. a weak acid or base that prevents sharp sudden pH spikes
  6. What is the pH of pure water
  7. electrons are gained, lost, or transferred
  8. solutions with pH above 7
  9. Oil and water will create a
  10. energy is stored inside
  11. particles that can be dissolved
  12. unequal sharing of electrons

25 Clues: energy is stored inside • solutions with pH above 7 • able to dissolve substances • Oil and water will create a • What is the pH of pure water • unequal sharing of electrons • A mixture (ex:sugar and water) • particles that can be dissolved • solutions that have a pH below 7 • water can dissolve most substances • strong connector within water molecule • ...

Chemistry Revision Crossword 2024-04-21

Chemistry Revision Crossword crossword puzzle
Across
  1. The weight of the nucleus is known as the Atomic _______
  2. When an atom _______ electrons it becomes negatively charged
  3. When two or more different atoms bond
  4. When two or more atoms bond together
  5. The type of bond formed between non-metals
  6. Electrons in the outer-most shell of an atom
  7. The substances that are formed in a chemical reaction
  8. An atom that has gained or lost electrons
  9. Negatively charged particle in an atom
  10. Elements that sit between the metals and non-metals
Down
  1. The substances that combine in a chemical reaction
  2. When an atom _______ electrons it becomes positively charged
  3. The type of bond formed between a metal and non-metal
  4. Positively charged particle in an atom
  5. The atomic particle with a neutral charge
  6. The large group of metals in the middle of the Periodic Table
  7. Pure substances in the Periodic Table
  8. The gasses in Group 8
  9. The smallest particle of matter
  10. Elements are positioned on the Periodic Table in order of Atomic _______
  11. Increases down Groups but decreases across Periods

21 Clues: The gasses in Group 8 • The smallest particle of matter • When two or more atoms bond together • When two or more different atoms bond • Pure substances in the Periodic Table • Positively charged particle in an atom • Negatively charged particle in an atom • The atomic particle with a neutral charge • An atom that has gained or lost electrons • ...

Chemistry Bonus crossword 2024-04-24

Chemistry Bonus crossword crossword puzzle
Across
  1. all the noble gases (except for helium) have 8 of them
  2. an equation for finding out how much mass/moles of an element it takes for a reaction to occur
  3. the most reactive nonmetal
  4. the only metal that's insoluble when reacting with acetate
  5. melting and boiling
  6. phosphorus the least reactive nonmetal
  7. a nonmetal that is soluble no matter what it bonds to
  8. the gas law where volume is constant
  9. the gas law where pressure is constant
  10. when two nonmetals bond
Down
  1. the group on the periodic table of elements with 7 valence electrons
  2. a property of metals
  3. a type of reaction that usually ends with C02 and H20
  4. the most reactive metal
  5. freezing and condensation
  6. the heat required to raise the temperature of the unit mass of a given substance by a given amount.
  7. the gas law where temperature is constant
  8. the only metal that's liquid at room temperature
  9. the least reactive metal
  10. when a metal and a nonmetal bond

20 Clues: melting and boiling • a property of metals • the most reactive metal • when two nonmetals bond • the least reactive metal • freezing and condensation • the most reactive nonmetal • when a metal and a nonmetal bond • the gas law where volume is constant • phosphorus the least reactive nonmetal • the gas law where pressure is constant • the gas law where temperature is constant • ...

Chemistry Study Guide 2024-06-12

Chemistry Study Guide crossword puzzle
Across
  1. n=1 is the ___ energy shell
  2. in a(n) ___, each substance maintains its own properties and composition
  3. atoms are made up of three ___ ___; electrons, protons and neutrons
  4. the base unit of measurement for temperature
  5. ___ properties depend on sample size, ex: shape, volume, mass
  6. electrons ___ energy when they decay and fall to more stable units
  7. the closeness of a measurement to the true value
  8. matter composed of two or more elements that can be separated
  9. the oxidation ___ increases when an element loses electrons
  10. a chemical property defined by a substance's ability to harm an organism
  11. two or more atoms covalently bonded
  12. ___ forces: the attraction between molecules
  13. a chemical property defined by the readiness of a chemical to change
  14. when naming compounds, a(n) ___ is used to represent the subscript of an element in a covalent bond
  15. a chemical property defined by how much heat is given off when a substance burns
  16. the electron geometry of a compound with one or two domains
  17. the ___ represents where electrons could be within an atom
  18. the result of a permanent dipole
  19. different substances are chemically ___ in compounds but not in mixtures
  20. the ___ agent is reduced in a redox reaction
  21. ___-___ forces: attraction between polar molecules/ permanent dipole
  22. ___-___ forces: attraction between an ion and a polar molecule
  23. ___ dipole: when electrons are temporarily more concentrated in one place
  24. observable events or occurrences
  25. anything that has mass or takes up space
  26. the ___ agent is oxidized in a redox reaction
  27. the only chemical reaction that cannot be redox
  28. a type of nuclear reaction where two nuclei are combined
  29. ___ bonds don't belong to any one location
  30. the base unit of measurement for time
  31. ___ molecule: composed of only two atoms covalently bonded
  32. ___ ___ forces: temporary attraction between nonpolar molecules or noble gas
  33. an ion made of more than one nonmetal but with only one type of charge (ends in -ite or -ate)
  34. the U.S. ___ System is used by the United States and two other countries
  35. a type of nuclear reaction where a nucleus is split
  36. measures the force of gravity on an object
  37. bonding between H and N, O or F
  38. metals that contain one kind of cation
  39. a molecule will have a permanent dipole if the molecular arrangement is ___
  40. it consists of one single element or type of compound
  41. electrons ___ energy when they are energized and jump to higher orbits
  42. ___ forces: the attraction between atoms
  43. when an element gains electrons in a redox reaction
  44. ___ properties don't depend on sample size, ex: magnetism, melting points, density
  45. the ___ System of Units is the primary system used by scientists and includes the 7 base units of measurement
  46. ___ change: matter moving into different phases without the matter itself changing
  47. the ___ System is based to the power of 10
Down
  1. the electron geometry of a compound with four domains
  2. the base unit of measurement for mass/weight
  3. a gas changing to a solid
  4. in a heterogeneous mixture, compounds are mixed ___ within the substance
  5. a(n) ___ bond is between a metal (cation) and a nonmetal (anion)
  6. Alkali metals are extremely ___
  7. the molecular shape of a compound with three bonded atoms and 1 lone electron pair
  8. a solid changing to a gas
  9. when an element loses electrons in a redox reaction
  10. every atom is described by four ___ ___
  11. the result of an instantaneous or induced dipole
  12. ___ change: when the molecular structure of a substance is changed
  13. a model of an atom that can determine the polarity of a molecule
  14. a substance that cannot be broken down
  15. a(n) ___ bond is between two nonmetals
  16. a separation of positive and negative charges
  17. two different elements ionically bonded (ends in -ide)
  18. measures the amount of matter an object has
  19. ___ science investigates and explains natural phenomena
  20. a chemical property defined by the irreversible damage of a material due to a chemical reaction
  21. ___ reactions produce energy by changing elements' identities
  22. a basic particle representing a quantum of energy (E)
  23. ___ radiation: a form of light that that moves in a wavelike motion
  24. ___ dipole: a polar molecule repels an atom's or nonpolar molecule's electrons
  25. l represents the ___ ___ quantum number
  26. a(n) ___ reaction involves the transfer of electrons
  27. a chemical property defined by the ability of a compound to be broken down into elements or other compounds
  28. the molecular shape of a compound with two bonded atoms and two lone electron pairs
  29. ___ observations are verified by experimentation or experience rather than theory
  30. carbon-14 is a(n) ___ of carbon
  31. ice floats in water because ice is less ___ than water
  32. fission is ___ powerful than fusion
  33. ___ forces: the weakest of all molecular interactions (A.K.A Van der Waal's Forces)
  34. the the tendency of an atom to attract electrons
  35. the consistency of a set of measurements
  36. the electron geometry of a compound with three domains
  37. ___ dipole: occurs when two atoms in a molecule have vary different electronegativities. One atom attracts electrons more than another, becoming more -, while the other atom becomes more +
  38. measures the amount of space and object occupies, ex: gallons, fluid ounces, liters
  39. the net charge within a molecule
  40. the base unit of measurement for length
  41. a chemical property defined by how easily a substance can light on fire
  42. in a homogeneous mixture, compounds are mixed ___ within the substance
  43. mass is not affected by ___, but weight is
  44. the base unit of measurement for volume

91 Clues: a gas changing to a solid • a solid changing to a gas • n=1 is the ___ energy shell • Alkali metals are extremely ___ • carbon-14 is a(n) ___ of carbon • bonding between H and N, O or F • the result of a permanent dipole • observable events or occurrences • the net charge within a molecule • two or more atoms covalently bonded • fission is ___ powerful than fusion • ...

Chemistry FINAL Crossword 2024-06-07

Chemistry FINAL Crossword crossword puzzle
Across
  1. when the 3-D structure of a proton breaks down due to heat or pH
  2. the amount of matter in an object
  3. able to dissolve other substances
  4. known for his law of gases
  5. a dissolved substance
  6. solution that dissolves in water to form solution that conducts electric current
  7. where acid & base concentration is determined by measuring how much acid & base is required to neutralize it
  8. solid solution containing 2 or more metals
  9. reaction by absorbing heat
  10. of the same kind or similar in nature
  11. has a pH less than 7
Down
  1. the point where a solution can dissolve no more
  2. reaction be release of heat
  3. relating to or denoting chemical bonds formed by the sharing of electrons between atoms.
  4. substance consisting of particles substantially larger than atoms or ordinary molecules
  5. 2 substances that mix to form a homogeneous mixture
  6. total moles in a solute per liter of solution
  7. a state in which opposing forces or influences are balanced
  8. unit of measurement that contains 6.02x1023
  9. number of digits in value

20 Clues: has a pH less than 7 • a dissolved substance • number of digits in value • known for his law of gases • reaction by absorbing heat • reaction be release of heat • the amount of matter in an object • able to dissolve other substances • of the same kind or similar in nature • solid solution containing 2 or more metals • unit of measurement that contains 6.02x1023 • ...

Chemistry Unit 8 2024-06-07

Chemistry Unit 8 crossword puzzle
Across
  1. Distribution of electrical charge among the atoms connected by a chemical bond
  2. Insoluble solid that emerges from a liquid solution
  3. Composition is not uniform throughout the mixture
  4. An example would be water
  5. the particles in a colloid scatter the beams of light that are directed at them
  6. Solution process with water as a solvent
  7. The number of moles of solute in one liter of solution
  8. When the particles in a solvent settle out unless constantly being stirred
  9. Amount of substance to create a saturated solution at a specific temp, amount of solvent
  10. An example would be a rock
Down
  1. liquids that aren't soluble in each other
  2. Composition is uniform throughout the mixture
  3. On the line
  4. Capable of being dissolved
  5. A homogeneous mixture that has two or more substances in one phase
  6. opposite of concentrated
  7. the measure of the amount of solute in a amount of solvent or solution
  8. A separation of ions that occurs when a ionic compound dissolves
  9. An example would be air
  10. Intermediate size particles
  11. Process of molecules surround and interact with solute ions or molecules

21 Clues: On the line • An example would be air • opposite of concentrated • An example would be water • Capable of being dissolved • An example would be a rock • Intermediate size particles • Solution process with water as a solvent • liquids that aren't soluble in each other • Composition is uniform throughout the mixture • Composition is not uniform throughout the mixture • ...

ISB 102 Chemistry 2022-04-11

ISB 102 Chemistry crossword puzzle
Across
  1. Ingredient that attracts water and cause water to be held into the skin
  2. What UV rays penetrates the skin longer and causes collagen breakdown
  3. Known as a cleansing agent used to remove oil and or dirt
  4. What is known as a universal solvent
  5. Oil and oil-soluble substance used to provide a protective coating to the ski
  6. Anything that occupies space.
  7. A product that has been formulated with a thickening agent to increase its viscosity
  8. Smallest complete unit of an element
  9. Means a product that is less likely to provoke an allergic reaction
  10. What measurement indicates whether a substance is acidic, neutral or alkaline
  11. Can’t take or dissolve more of the solute than it already holds at a given temperature
  12. Product packaged under pressure and blended with a propellant inside a container—usually a can
  13. Contains a large quantity of the solute compared to the quantity of the solvent
  14. What is the smallest particle of a compound
  15. The scientific study of mater and the physical and chemical changes affecting it
  16. Refers to a product that is likely to clog pores
  17. What is the liquid part of a solution referred to as
  18. What is the government authority that is responsible for regulating cosmetics
  19. Deals with all matter that is now or once was alive.
  20. What part of an atom has a negative charge
  21. What part of an atom has a neutral charge
  22. What part of an atom has a positive charge
  23. What is chemically created by uniting 2 elements
Down
  1. Has definite weight and volume, but no shape
  2. Used to cover (mask) undesirable odors in the product or impart a pleasant smell
  3. Protects the skin from UVA and UBV rays or sun exposure
  4. A simple unit of a carbohydrate
  5. A finely ground mixture of inorganic and organic substances, sifted and mixed until free of coarse particles
  6. What are used by the body to store energy and play a key role in metabolism
  7. A mixture of two or more non-mixable substances united w/the help of a binder
  8. What type of water contains very few minerals
  9. Term used to describe an ingredient that has an affinity for oil
  10. The basic unit of matter that cannot be broken down into simpler substances by any chemical reaction
  11. What is the solid part of a solution referred to as
  12. Mixture of organic substances and a medicinal agent usually found in a semi-solid form or paste
  13. Ingredient used to maintain microbiological integrity and quality during manufacturing and to extend product shelf-life
  14. The study of chemical reactions, such as growth, reproduction and respiration that occur within a living organism
  15. The promotion and advertising of cosmetics and other products is regulated by
  16. Ingredients used in skin treatment products in order to bleach areas of hyperpigmentation.
  17. Has definite weight, volume and shape
  18. Formed when two or more compounds are blended mechanically rather than chemically
  19. How are products ingredients listed on the label
  20. Used to remove excess cleanser, soothe the skin and rebalance skin’s PH

43 Clues: Anything that occupies space. • A simple unit of a carbohydrate • What is known as a universal solvent • Smallest complete unit of an element • Has definite weight, volume and shape • What part of an atom has a neutral charge • What part of an atom has a negative charge • What part of an atom has a positive charge • What is the smallest particle of a compound • ...

Chemistry - Recap (SL) 2024-08-21

Chemistry - Recap (SL) crossword puzzle
Across
  1. - The electrons in the outermost shell of an atom.
  2. - Type of bond formed by the sharing of electrons between atoms.
  3. - The phase transition from solid to gas without passing through the liquid state.
  4. - A compound that contains water molecules within its crystal structure.
  5. - The table that organizes elements by their chemical properties.
  6. - Atoms of the same element with different numbers of neutrons.
  7. - The energy required to remove one mole of electrons from one mole of gaseous atoms.
  8. - Type of bond formed by the transfer of electrons.
  9. - A reaction where an atom gains electrons.
  10. - The attraction between atoms that allows the formation of chemical substances.
Down
  1. - The study of the rates of chemical reactions.
  2. - The SI unit for the amount of substance.
  3. - A substance that speeds up a chemical reaction without being consumed.
  4. - The number of particles in one mole of a substance.
  5. - A subatomic particle with a negative charge.
  6. - The number of protons in an atom's nucleus.
  7. - The simplest whole-number ratio of elements in a compound.
  8. - A subatomic particle with no charge found in the nucleus.
  9. - A reaction where an atom loses electrons.
  10. - A type of reaction that absorbs heat from the surroundings.

20 Clues: - The SI unit for the amount of substance. • - A reaction where an atom loses electrons. • - A reaction where an atom gains electrons. • - The number of protons in an atom's nucleus. • - A subatomic particle with a negative charge. • - The study of the rates of chemical reactions. • - The electrons in the outermost shell of an atom. • ...

Chemistry Vocabulary (1) 2024-09-09

Chemistry Vocabulary (1) crossword puzzle
Across
  1. The amount of space something occupies
  2. Table of Elements A chart of the chemical elements that displays them in horizontal rows in order of increasing atomic number and in vertical columns according to similarity of the chemical properties of their atoms
  3. Two or more substances that are NOT chemically combined
  4. The amount of matter in an object
  5. A group of two or more atoms that bond together
  6. number The number of protons in the nucleus of an atom. This number is also equal to the number of electrons in an atom
  7. Anything that has mass and takes up space (it has volume)
  8. A type of subatomic particle with no charge (they are neutral). They are found in the nucleus of an atom
  9. A type of subatomic particle with a positive charge. They are found in the nucleus of an atom
  10. The amount of mass per unit of volume
  11. The maximum amount of solute that can dissolve in a known quantity of solvent at a certain temperature
Down
  1. property A characteristic of a substance that may be observed when the substance engaged in a chemical reaction
  2. A type of subatomic particle with a negative charge. They orbit the nucleus of an atom
  3. The branch of science that studies the properties of matter and how matter interacts with energy
  4. mass The sum of protons and neutrons in an atom
  5. A pure substance that contains two or more substances that are chemically bonded in a fixed ratio
  6. A pure substance made of only one kind of atom
  7. A homogeneous mixture of one or more solutes (solids) in a solvent (liquid)
  8. Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons
  9. property A characteristic of matter that can be observed without any change to the chemical identity of the sample
  10. The building blocks of matter. They are made up of protons, neutrons, and electrons
  11. An atom or molecule with a net electric charge due to the loss or gain of one or more electron

22 Clues: The amount of matter in an object • The amount of mass per unit of volume • The amount of space something occupies • A pure substance made of only one kind of atom • mass The sum of protons and neutrons in an atom • A group of two or more atoms that bond together • Two or more substances that are NOT chemically combined • ...

Chemistry Comes Alive 2024-09-11

Chemistry Comes Alive crossword puzzle
Across
  1. – anything that occupies space and has a mass. (pg. 24)
  2. globular proteins that act as biological catalysts (pg.51)
  3. structural units of nucleic acids (pg. 53)
  4. – the type of energy that results from the movement of charged particles. (pg.24)
  5. regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
  6. homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
  7. the process when atoms or molecules form a larger, more complex molecule (pg.36)
  8. a substance that releases hydrogen ions in detectable amounts. (pg.39)
  9. this type of energy is stored in the bonds of chemical substances (pg.24)
  10. Substance composed of two or more component physically intermixed (pg. 29)
  11. a group of molecules that contain sugars and starches. (pg. 43)
  12. - a common waste product of protein breakdown in the body (pg.40)
  13. - the study of the chemical composition and reactions of living matter (pg.38)
  14. sum of the atomic weights of the elements or compound (pg.29)
  15. the products of energy-absorbing in a reaction (pg.37)
  16. modified triglycerides. (pg.47)
  17. The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
  18. chemical bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
  19. atoms with the same number of protons but differing numbers of neutrons.(pg.27)
  20. – energy in motion (pg. 24)
  21. -Radioactive isotopes of an element is called a (pg.28)
  22. chemical systems that regulate homeostasis of acid base balance. (pg.41)
  23. an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)
  24. the substance present on the greatest amount (pg. 29)
  25. – the center of an atom containing protons and neutrons (pg.25)
Down
  1. energy directly involved in moving matter (pg.24)
  2. a single chain structure containing 3-7 carbon atoms. (pg.43)
  3. polymers of simple sugars linked together by dehydration synthesis
  4. – the ability to put matter into motion. (pg. 24)
  5. the substance present in the smallest amount (pg.29)
  6. a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
  7. a translucent mixture of tiny particles dispersed in another medium (pg.30)
  8. The substance on which an enzyme act (pg.52)
  9. The time required for a radioisotope to lose one-half of its activity (pg.28)
  10. a substance that increases the rate of reaction, but can be recovered, unchanged at the end
  11. the storage carbohydrate formed by plants (pg.43)
  12. Solution concentrations are typically designated in terms of percent or (pg.40)
  13. the type of reaction when energy is released (pg.37)
  14. – the process of atomic decay (pg. 28)
  15. two or more atoms held together by a chemical bond (pg. 28)
  16. proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
  17. when two or more atoms of the same element are chemically bind together, they form a (pg.28)
  18. - large arrays of cations and anions held together by ionic bonds(pg.32)
  19. formed when two monosaccharides are joined by dehydration synthesis (pg.43)
  20. substances that conduct an electrical current in solution (pg. 39)
  21. stored energy (pg. 24)
  22. chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
  23. unique substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
  24. heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
  25. - an atom’s outermost energy level (pg.31)
  26. the storage carbohydrate of animal tissues (pg.43)

51 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • energy directly involved in moving matter (pg.24) • – the ability to put matter into motion. (pg. 24) • ...

Chemistry Basic Concepts 2024-09-15

Chemistry Basic Concepts crossword puzzle
Across
  1. Value of the Avogadro’s number now compared to the era of O-16 scale
  2. What happens to Oxygen gas on reacting with Fluorine gas
  3. Oxidation state of Phosphorous in Phosphorous trioxide
  4. Millilitres of 0.1 N NaOH for neutralizing 10 mL of Oxalic acid solution having 6.3 g of dihydrate in 250 mL
  5. Number of the different oxidation states of Sulphur in Disulphurous acid
  6. Final molarity when solvent from 500 mL of 1M solution vaporises till volume becomes 100 mL
  7. The concentration unit independent of the temperature of the solution
  8. How many litres of blood has 2.5 milli moles of glucose if glucose concentration is 0.9 g/L
  9. Mass of thiosulphate ion in gram produced when 2.85 moles of Sulphur disproportionate in alkali
  10. The number of milli equivalents in 1 mL of 1 M KCN when converted to dioxides of Carbon and Nitrogen
  11. Number of milli equivalents in 5.5 milli moles of Manganese Sulphate converted to Manganese di oxide
  12. Moles of Plumbic oxide consumed by 4 moles of Manganese ion converting to Permanganate
Down
  1. Term for the reaction of Chlorine with hot concentrated alkali
  2. How does the mass of a sample of Blue Vitriol noted by ordinary Chemical Balance using aluminium weights compare with the actual value
  3. Oxidation state of Fe in the brown ring complex
  4. Milli Moles of precipitate formed when 30 milli moles of Barium Chloride reacts with 12 milli moles of Sodium Phosphate
  5. Moles of acidified Potassium Permanganate for oxidation of ten moles of Sulphite ion
  6. The maximum volume of 2 M Altrose solution possible using 9 litres of 1 M and 7 litres of 5M solutions
  7. Oxidation state of carbon in Formaldehyde
  8. The atomicity of Sulphur vapour if its relative density with respect to CO is 9.14

20 Clues: Oxidation state of carbon in Formaldehyde • Oxidation state of Fe in the brown ring complex • Oxidation state of Phosphorous in Phosphorous trioxide • What happens to Oxygen gas on reacting with Fluorine gas • Term for the reaction of Chlorine with hot concentrated alkali • Value of the Avogadro’s number now compared to the era of O-16 scale • ...

Konstantinos Chemistry Vocab 2024-05-06

Konstantinos Chemistry Vocab crossword puzzle
Across
  1. two or more atoms held together by bonds
  2. man made
  3. ability of a material to let heat or electricity flow through them
  4. vertical column on Periodic Table
  5. ability to react chemically with others elements
  6. number Infront of a chemical formula
  7. horizontal row on Periodic Table
  8. ability of substances to be turned into thin sheets
  9. particle with a positive charge
  10. characteristic of a substance that cannot be observed without changing the identity of the substance
  11. attraction between two opposite poles
Down
  1. substance that is doing the dissolving
  2. particle with a neutral charge
  3. simple substances
  4. temperature a substance has to be to change from liquid to solid
  5. total number of protons and neutrons
  6. particle with a negative charge
  7. ability to dissolve into another substance
  8. temperature that is needed to turn a substance from a solid to liquid
  9. smallest particle of an element
  10. element in the first group the the periodic table

21 Clues: man made • simple substances • particle with a neutral charge • particle with a negative charge • smallest particle of an element • particle with a positive charge • horizontal row on Periodic Table • vertical column on Periodic Table • total number of protons and neutrons • number Infront of a chemical formula • attraction between two opposite poles • ...

Chemistry of Life 2024-08-19

Chemistry of Life crossword puzzle
Across
  1. a special type of protein that changes the rate of a chemical reaction
  2. a pure substance that cannot be broken down into other substances; building blocks of all matter
  3. deoxyribonucleic acid, it is the carrier of genetic information.
  4. a complex carbohydrate made up of smaller carbohydrates called monosaccharides
  5. the basic subunit, building block, or monomer of a nucleic acid
  6. a molecule that is made of many bonded subunits (monomers)
  7. a large, complex polymer composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
  8. a molecule that is made of many bonded subunits called nucleotides
  9. ribonucleic acid; a nucleic acid that plays an important role in the production of proteins
  10. a substance that increases the speed of a chemical reaction without being consumed in the process
  11. a lipid that contains phosphorus and is a structural component in cell membranes
  12. a self-regulating process that allows organisms to maintain stability and adjust to conditions that are best for survival.
Down
  1. all of the chemical reactions that occur within an organism
  2. the simplest forms of sugar and the building block or monomer from which all carbohydrates are built
  3. small subunit of a molecule that bond to form larger molecules
  4. a chain of amino acids that are linked together by peptide bonds
  5. monosaccharide that is the main source of energy for living organisms.
  6. a large biomolecule made mostly of carbon and hydrogen with a small amount of oxygen
  7. a solution that forms H+ ions in water, pH is less than 7
  8. the basic building block or monomer of protein
  9. a solution that forms OH- ions in water; PH greater than 7
  10. a biomolecule composed of carbon, hydrogen, and oxygen
  11. a polysaccharide that is the main structural component of plant cell walls
  12. a covalent bond formed between the amino acids of proteins
  13. measure of how acidic or basic a substance is

25 Clues: measure of how acidic or basic a substance is • the basic building block or monomer of protein • a biomolecule composed of carbon, hydrogen, and oxygen • a solution that forms H+ ions in water, pH is less than 7 • a molecule that is made of many bonded subunits (monomers) • a solution that forms OH- ions in water; PH greater than 7 • ...

Chemistry comes alive 2024-09-10

Chemistry comes alive crossword puzzle
Across
  1. a group of molecules that contain sugars and starches. (pg. 43)
  2. – the process of atomic decay (pg. 28)
  3. - a common waste product of protein breakdown in the body (pg.40)
  4. - large arrays of cations and anions held together by ionic bonds(pg.32)
  5. when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
  6. The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
  7. – energy in motion (pg. 24)
  8. The substance on which an enzyme act (pg.52)
  9. the type of reaction when energy is released (pg.37)
  10. – the type of energy that results from the movement of charged particles. (pg.24)
  11. A combination of two or more atoms held together by a chemical bond (pg. 28)
  12. chemical systems that regulate homeostasis of acid base balance. (pg.41)
  13. the substance present on the greatest amount (pg. 29)
  14. the storage carbohydrate of animal tissues (pg.43)
  15. a substance that increases the rate of reaction, but can be recovered, unchanged at the end
  16. – the ability to put matter into motion. (pg. 24)
  17. a translucent mixture of tiny particles dispersed in another medium (pg.30)
  18. modified triglycerides. (pg.47)
  19. a single chain structure containing 3-7 carbon atoms. (pg.43)
  20. unique substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
  21. – the center of an atom containing protons and neutrons (pg.25)
  22. the products of energy-absorbing in a reaction (pg.37)
  23. a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
  24. this type of energy is stored in the bonds of chemical substances (pg.24)
  25. the process when atoms or molecules form a larger, more complex molecule (pg.36)
  26. heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
Down
  1. stored energy (pg. 24)
  2. with the same number of protons but differing numbers of neutrons.(pg.27)
  3. - chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
  4. The time required for a radioisotope to lose one-half of its activity (pg.28) - 2 words
  5. Solution concentrations are typically designated in terms of percent or (pg.40)
  6. – anything that occupies space and has a mass. (pg. 24)
  7. sum of the atomic weights of the elements or compound (pg.29)
  8. -Radioactive isotopes of an element is called a (pg.28)
  9. structural units of nucleic acids (pg. 53)
  10. - the study of the chemical composition and reactions of living matter (pg.38)
  11. - an atom’s outermost energy level (pg.31)
  12. the substance present in the smallest amount (pg.29)
  13. - proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
  14. the storage carbohydrate formed by plants (pg.43)
  15. homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
  16. a substance that releases hydrogen ions in detectable amounts. (pg.39)
  17. proteins that act as biological catalysts (pg.51)
  18. formed when two monosaccharides are joined by dehydration synthesis (pg.43)
  19. energy directly involved in moving matter (pg.24)
  20. - polymers of simple sugars linked together by dehydration synthesis
  21. Substance composed of two or more component physically intermixed (pg. 29)
  22. substances that conduct an electrical current in solution (pg. 39)
  23. regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
  24. a salt is an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)

50 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • the storage carbohydrate formed by plants (pg.43) • – the ability to put matter into motion. (pg. 24) • ...

Chemistry comes alive 2024-09-10

Chemistry comes alive crossword puzzle
Across
  1. the storage carbohydrate formed by plants (pg.43)
  2. the substance present on the greatest amount (pg. 29)
  3. stored energy (pg. 24)
  4. homogeneous mixtures of components that may be gases, liquids, or solids(pg.29)
  5. - the study of the chemical composition and reactions of living matter (pg.38)
  6. chemical bond that involves the sharing of electrons to form electron pairs between atoms (pg.32)
  7. - proton acceptors; they take up hydrogen ions in detectable amounts. (pg. 39)
  8. a substance that increases the rate of reaction, but can be recovered, unchanged at the end
  9. A combination of two or more atoms held together by a chemical bond (pg. 28)
  10. regions around the nucleus in which a given electron or electron pair is likely to be found. (pg.26)
  11. the substance present in the smallest amount (pg.29)
  12. a chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other is (pg.32)
  13. The tendency of an atom in a molecule to attract the shared pair of electrons towards itself. (pg.34)
  14. sum of the atomic weights of the elements or compound (pg.29)
  15. when two or more atoms of the same element are chemically bind together, they form a_____ (pg.28)
  16. - chainlike molecules made of many similar units (monomers), joined together by dehydration synthesis (pg.42)
  17. a salt is an electrically neutral chemical compound consisting of cations and anions connected by an ionic bond (pg. 39)
  18. – the ability to put matter into motion. (pg. 24)
  19. this type of energy is stored in the bonds of chemical substances (pg.24)
  20. a group of molecules that contain sugars and starches. (pg. 43)
  21. unique substances that cannot be broken down into simpler substances by ordinary chemical methods. (pg.25)
  22. – energy in motion (pg. 24)
  23. a single chain structure containing 3-7 carbon atoms. (pg.43)
  24. modified triglycerides. (pg.47)
  25. substances that conduct an electrical current in solution (pg. 39)
  26. the type of reaction when energy is released (pg.37)
Down
  1. – the process of atomic decay (pg. 28)
  2. heterogenous mixtures with large visible solutes that tend to mix out (pg.30)
  3. - large arrays of cations and anions held together by ionic bonds(pg.32)
  4. - polymers of simple sugars linked together by dehydration synthesis
  5. The substance on which an enzyme act (pg.52)
  6. The time required for a radioisotope to lose one-half of its activity (pg.28) - 2 words
  7. the process when atoms or molecules form a larger, more complex molecule (pg.36)
  8. - a common waste product of protein breakdown in the body (pg.40)
  9. a substance that releases hydrogen ions in detectable amounts. (pg.39)
  10. -Radioactive isotopes of an element is called a (pg.28)
  11. chemical systems that regulate homeostasis of acid base balance. (pg.41)
  12. with the same number of protons but differing numbers of neutrons.(pg.27)
  13. structural units of nucleic acids (pg. 53)
  14. energy directly involved in moving matter (pg.24)
  15. proteins that act as biological catalysts (pg.51)
  16. – the type of energy that results from the movement of charged particles. (pg.24)
  17. Substance composed of two or more component physically intermixed (pg. 29)
  18. a translucent mixture of tiny particles dispersed in another medium (pg.30)
  19. the products of energy-absorbing in a reaction (pg.37)
  20. Solution concentrations are typically designated in terms of percent or (pg.40)
  21. formed when two monosaccharides are joined by dehydration synthesis (pg.43)
  22. – the center of an atom containing protons and neutrons (pg.25)
  23. the storage carbohydrate of animal tissues (pg.43)
  24. – anything that occupies space and has a mass. (pg. 24)
  25. - an atom’s outermost energy level (pg.31)

51 Clues: stored energy (pg. 24) • – energy in motion (pg. 24) • modified triglycerides. (pg.47) • – the process of atomic decay (pg. 28) • structural units of nucleic acids (pg. 53) • - an atom’s outermost energy level (pg.31) • The substance on which an enzyme act (pg.52) • the storage carbohydrate formed by plants (pg.43) • energy directly involved in moving matter (pg.24) • ...

Basic Chemistry Vocabulary 2024-10-23

Basic Chemistry Vocabulary crossword puzzle
Across
  1. Subatomic particle, neutral
  2. Subatomic particle, atomic number, positively charged
  3. Horizontal rows of the periodic table
  4. Group 18: Nonreactive gases
  5. Anything that takes up space and has a mass
  6. State of matter no definite volume or shape
  7. Forming a skin or film due to cohesion
  8. Substance dissolved into another in a solution
  9. Center or core of an atom
  10. Mixture looking the same throughout
Down
  1. Attractive force between molecules (ex. Water)
  2. Mixture looking different throughout
  3. Smallest unit of matter
  4. Protons + Neutrons
  5. Subatomic particle, negatively charged
  6. Cannot be broken down into any other substances
  7. State of matter a definite volume but no shape
  8. Vertical columns of the periodic table
  9. Orderly arrangement of elements based on chemical properties and reactivity
  10. State of matter definite shape and volume
  11. Element 1: The most reactive element with 0 neutrons
  12. Liquid portion of a solution (does the dissolving)

22 Clues: Protons + Neutrons • Smallest unit of matter • Center or core of an atom • Subatomic particle, neutral • Group 18: Nonreactive gases • Mixture looking the same throughout • Mixture looking different throughout • Horizontal rows of the periodic table • Subatomic particle, negatively charged • Vertical columns of the periodic table • Forming a skin or film due to cohesion • ...

chemistry of life 2024-10-15

chemistry of life crossword puzzle
Across
  1. a non toxic sweet tasting and viscous fluid
  2. a polysaccharide that is made up of a chain of glucose molecules joined together in covalent bonds
  3. basic building blocks of nucleic acids
  4. a chemical your body produces when your cells break down carbohydrates for energy
  5. any external solution that has the same solute concentration and water concentration
  6. the movement of molecules or ions across a cell membrane
  7. the process which a phagocyte surrounds and destroys foreign substances and remove dead cells
  8. the movement of water molecules from a solution with high to low concentration of water molecules
  9. compound lipids consisting of phospholic acids nitrogen base alochol and fatty acids
  10. chemical substances required by the body to sustain basic functions and are optimally obtained by eating
Down
  1. an oragnic compound such as sugar or starch and is used to store energy
  2. an extensively branched glucose polymer that animals use as an energy reserve
  3. a process by which the cell takes in the fluids along with dissolved small molecules
  4. a water insoluble polysaccharide made up of thousands of glucose molecules
  5. the building blocks of the fat in our bodies and in the food we eat
  6. any self regulating process by which biological systems tend to maintain stability
  7. the natural movement of particles from an area of higher concentration to area of lower concentration
  8. a type of membrane transport that does not require energy to move substances
  9. any external solution that has a high solute concentration and low water concentration
  10. a chemical process that occurs in plants algae and some types of bacteria where exposed to sunlight

20 Clues: basic building blocks of nucleic acids • a non toxic sweet tasting and viscous fluid • the movement of molecules or ions across a cell membrane • the building blocks of the fat in our bodies and in the food we eat • an oragnic compound such as sugar or starch and is used to store energy • a water insoluble polysaccharide made up of thousands of glucose molecules • ...

Chemistry Crossword Puzzle 2024-09-27

Chemistry Crossword Puzzle crossword puzzle
Across
  1. includes helium, krypton, neon, and more
  2. distance between wave crests
  3. the letter representation of an element
  4. the smallest part of an element
  5. type of charged particle
  6. lowest amount of frequency
  7. highest amount of frequency
  8. type or structure that deals with the valence electrons
  9. horizontal row on the periodic table
  10. positively charged particle
  11. positively charged item of the nucleus
  12. type of diagram that has up and down arrows
  13. number of waves that pass a certain point per unit of time
  14. chemical substance that cannot be broken down
Down
  1. theory that all substances are composed of atoms
  2. number of protons in the nucleus of an atom
  3. where protons and neutrons stay
  4. the whole arrangement of elements
  5. same protons different neutrons
  6. outer layer of electrons
  7. negatively charged particle
  8. negatively charged item in a nucleus
  9. vertical row on the periodic table
  10. total number of protons and neutrons in the nucleus of an atom
  11. neutral charge in a nucleus

25 Clues: outer layer of electrons • type of charged particle • lowest amount of frequency • negatively charged particle • highest amount of frequency • positively charged particle • neutral charge in a nucleus • distance between wave crests • where protons and neutrons stay • same protons different neutrons • the smallest part of an element • the whole arrangement of elements • ...

Chemistry extra credit 2025-01-28

Chemistry extra credit crossword puzzle
Across
  1. A chemical reaction in which a substance loses electrons.
  2. A measure of the acidity or alkalinity of a solution.
  3. A chemical reaction in which a substance gains electrons.
  4. A mixture in which one substance dissolves in another.
  5. A particle with no charge, found in the nucleus of an atom.
  6. A combination of two or more substances that are not chemically bonded.
  7. A vertical column in the periodic table, containing elements with similar properties.
  8. A substance made of two or more different types of atoms bonded together.
  9. A substance that undergoes a chemical reaction.
  10. A substance that is dissolved in a solvent to form a solution.
  11. A substance that speeds up a chemical reaction without being consumed in the process.
  12. A substance made of only one type of atom.
  13. A positively charged particle found in the nucleus of an atom.
  14. Atoms of the same element that have different numbers of neutrons.
Down
  1. The process of a liquid turning into a gas at the surface.
  2. A substance produced as a result of a chemical reaction.
  3. Two or more atoms bonded together.
  4. A reaction that absorbs heat from its surroundings.
  5. A principle that mass is neither created nor destroyed in a chemical reaction.
  6. An atom or molecule with a charge, either positive (cation) or negative (anion).
  7. The process of a gas turning into a liquid.
  8. A solution that is neither acidic nor basic, with a pH of 7.
  9. A substance that accepts hydrogen ions (H⁺) or releases hydroxide ions (OH⁻) in solution.
  10. The smallest unit of matter, made up of protons, neutrons, and electrons.
  11. The force that holds atoms together in a molecule or compound.
  12. A horizontal row in the periodic table of elements.
  13. A reaction that releases heat into its surroundings.
  14. A negatively charged particle that orbits the nucleus of an atom.
  15. A substance that releases hydrogen ions (H⁺) in solution.

29 Clues: Two or more atoms bonded together. • A substance made of only one type of atom. • The process of a gas turning into a liquid. • A substance that undergoes a chemical reaction. • A reaction that absorbs heat from its surroundings. • A horizontal row in the periodic table of elements. • A reaction that releases heat into its surroundings. • ...

Lessons in Chemistry 2025-02-14

Lessons in Chemistry crossword puzzle
Across
  1. One of the girls?
  2. Fruity name
  3. First date ever
  4. What you are to _
  5. Anniversary month
  6. Loyal fan
  7. We have to take turns to
  8. Best coffee or bird?
  9. Childhood YouTuber
  10. Much appreciated
Down
  1. Your eyes in the summer
  2. The hall pass
  3. Our first connection
  4. Presidential school?
  5. I hate, you love
  6. _ Alex
  7. A Rising Steam name?
  8. A term of endearment
  9. Said before the first bite
  10. Your eyes in the winter
  11. Our song
  12. _ To tango, or the game we never finished
  13. Our dinner spot

23 Clues: _ Alex • Our song • Loyal fan • Fruity name • The hall pass • First date ever • Our dinner spot • I hate, you love • Much appreciated • One of the girls? • What you are to _ • Anniversary month • Childhood YouTuber • Our first connection • Presidential school? • A Rising Steam name? • A term of endearment • Best coffee or bird? • Your eyes in the summer • Your eyes in the winter • We have to take turns to • ...

CHEMISTRY CROSSWORD PUZZLE 2024-11-14

CHEMISTRY CROSSWORD PUZZLE crossword puzzle
Across
  1. is the smallest component of an element that retains all of the chemical properties of that element.
  2. a long chain of monosaccharides linked by covalent bonds.
  3. readily absorb excess H+ or OH–, keeping the pH of the body carefully maintained in the aforementioned narrow range.
  4. can form four covalent bonds to create an organic molecule.
  5. positive ions are formed by losing electrons.
  6. found in fruit.
  7. a reaction in which the removal of a water molecule occurs.
  8. reside in the nucleus of an atom.
  9. is a negatively charged particle that travels in the space around the nucleus.
  10. occupies space and has mass
Down
  1. part of lactose, or milk sugar.
  2. are simple sugars, the most common of which is glucose.
  3. also called biological.
  4. large molecules necessary for life that are built from smaller organic molecules.
  5. are those substances that readily donate OH–.
  6. Another type of strong chemical bond between two or more atoms.
  7. are biomolecules with which most consumers are somewhat familiar.
  8. are substances that provide hydrogen ions (H+) and lower pH, whereas bases provide hydroxide ions (OH–) and raise pH.
  9. is the storage form of glucose in humans and other vertebrates, and is made up of monomers of glucose
  10. is the stored form of sugars in plants and is made up of amylose and amylopectin.

20 Clues: found in fruit. • also called biological. • occupies space and has mass • part of lactose, or milk sugar. • reside in the nucleus of an atom. • are those substances that readily donate OH–. • positive ions are formed by losing electrons. • are simple sugars, the most common of which is glucose. • a long chain of monosaccharides linked by covalent bonds. • ...

Chemistry Crossword Project 2024-11-20

Chemistry Crossword Project crossword puzzle
Across
  1. The measure of average kinetic energy of particles in a sample
  2. combination of two or more substances that do not chemically react with each other
  3. A negatively charged ion
  4. a state of matter characterized by particles that are packed closely together
  5. No charge, and located in the Nucleus
  6. Weighted average of all naturally occurring isotopes
  7. Unit of Temperature
  8. Gas turns into water
  9. Solid Turns into gas
  10. The furthest electron from the nucleus
Down
  1. Center of the atom
  2. temperature at which its vapor pressure is equal to the pressure of its surrounding environment
  3. Weakest type of intermolecular force
  4. Water turns to gas
  5. the smallest unit of matter
  6. an ion, or charged particle, with a positive charge
  7. Anther name for protons
  8. a substance formed by the chemical union of two or more different chemical elements
  9. Have the same number of protons and different number of neutrons
  10. C = Q / (m × ΔT)

20 Clues: C = Q / (m × ΔT) • Center of the atom • Water turns to gas • Unit of Temperature • Gas turns into water • Solid Turns into gas • Anther name for protons • A negatively charged ion • the smallest unit of matter • Weakest type of intermolecular force • No charge, and located in the Nucleus • The furthest electron from the nucleus • an ion, or charged particle, with a positive charge • ...

Chemistry Crossword 2 2024-11-20

Chemistry Crossword 2 crossword puzzle
Across
  1. hydrocarbon with hydroxyl group (-OH)
  2. compounds with the same formula, different structure
  3. hydrocarbon with a triple bond(s)
  4. hydrocarbon has double or triple bonds; can hold more hydrogen
  5. spontaneous mixing in open space
  6. caused by collisions of particles on container walls
  7. compound with carbon and hydrogen only
  8. hydrocarbon with all single bonds
  9. in an experiment, variable changed on purpose
Down
  1. in an experiment, same for all trials
  2. representative of the speed of gas particles
  3. in an experiment, variable measured or observed
  4. study of carbon containing compounds
  5. amount of particles in a gas cloud
  6. amount of space taken up by gas cloud
  7. hydrocarbon with a double bond(s)
  8. hydrocarbon with –COOH group
  9. hydrocarbon has all single bonds; full of hydrogen
  10. spontaneous escaping through small opening
  11. in an experiment, comparison group

20 Clues: hydrocarbon with –COOH group • spontaneous mixing in open space • hydrocarbon with a double bond(s) • hydrocarbon with a triple bond(s) • hydrocarbon with all single bonds • amount of particles in a gas cloud • in an experiment, comparison group • study of carbon containing compounds • in an experiment, same for all trials • amount of space taken up by gas cloud • ...

Chemistry of life 2024-11-05

Chemistry of life crossword puzzle
Across
  1. the process by which plants used chlorophyll to trap sunlight energy and use it to produce carbohydrates
  2. organisms that use energy to synthesize their own food
  3. solution the concentration of solutes outside a cell is low
  4. the raw materials needed for the cell metabolism
  5. solution outside a cell is equal
  6. a chain of amino acids held together by peptide bonds
  7. a form of endocytosis in which liquid droplets are engulfed by cells
  8. the form of carbohydrates storage in animals
  9. a permanet change in a protein shape
  10. artificial lipid vesicles
Down
  1. the process by which polypeptides are produced at the ribosomes
  2. the loss of electrons from an atom or molecule
  3. nutrients made up of a single sugar molecule or many sugar molecules
  4. acid an organic molecule that is half of a glucose molecule with the molecule formula
  5. large molecules that are made by joining severals separate units
  6. the movement of the molecules from an area of higher concentration to an area of lower concentration
  7. a large carbohydrate molecule used by plants to store energy
  8. the carbohydrate that forms the cell walls of plant cells
  9. the addition of one or more phosphate groups to a molecule
  10. transport involves the use of cell energy to move materials across a cell membrane
  11. to disrupt amino acid bonds

21 Clues: artificial lipid vesicles • to disrupt amino acid bonds • solution outside a cell is equal • a permanet change in a protein shape • the form of carbohydrates storage in animals • the loss of electrons from an atom or molecule • the raw materials needed for the cell metabolism • a chain of amino acids held together by peptide bonds • ...

Biology and Chemistry 2024-11-10

Biology and Chemistry crossword puzzle
Across
  1. Galvenais cilvēka elpošanas sistēmas orgāns.
  2. Kurš orgāns kontrolē visu pārējo orgānu un sistēmu darbību?
  3. Molekula, kas pārraida nervu impulsus starp neironiem.
  4. Vielu grupa, kas paātrina ķīmiskās reakcijas organismā.
  5. Zinātne, kas pēta mikroskopiskus organismus.
  6. Galvenais pigments, kas piešķir augiem to zaļo krāsu.
  7. Kura molekula transportē enerģiju šūnās?
  8. Kā sauc šūnas dzīves cikla pēdējo posmu?
  9. Orgāns, kurā zīdītājiem notiek gāzes apmaiņa.
  10. Galvenais ogļhidrātu sadalīšanās produkts organismā.
  11. Galvenais elements, kas atrodams kaulos un zobos.
  12. elements ar atomu skaitu 1.
  13. Kura molekula ir universāls enerģijas avots visām šūnām?
  14. Process, kurā ūdens pārvietojas caur daļēji caurlaidīgu membrānu.
Down
  1. molekulas, kas piešķir ēdienam garšu.
  2. Elpošanas orgāni zivīs.
  3. Zinātne par augu uzbūvi, funkcionēšanu un dzīvībai svarīgo darbību.
  4. Ūdenī atrodams ķīmiskais elements.
  5. Proteīns, kas transportē skābekli asinīs.
  6. Kā sauc molekulu sadalīšanas procesu gremošanas sistēmā?
  7. Vairogdziedzera ražots hormons, kas ietekmē vielmaiņu.
  8. Elements, kas piešķir rūsai oranžsarkano krāsu.
  9. dziedzeris Kurš cilvēka orgāns ražo insulīnu?
  10. Kā sauc procesu, kas notiek augu šūnās un nodrošina tās ar barības vielām?
  11. Zinātne, kas pēta vielu struktūru, īpašības un reakcijas.
  12. Kāds process nodrošina iedzimtas informācijas pārraidi?
  13. Lielākā šūna cilvēka ķermenī.
  14. Ķīmisks elements, kas ir organisko savienojumu pamatā.
  15. Molekula, kas satur organisma ģenētisko informāciju.
  16. smadzenes Galvenais cilvēka hematopoētiskais orgāns.

30 Clues: Elpošanas orgāni zivīs. • elements ar atomu skaitu 1. • Lielākā šūna cilvēka ķermenī. • Ūdenī atrodams ķīmiskais elements. • molekulas, kas piešķir ēdienam garšu. • Kura molekula transportē enerģiju šūnās? • Kā sauc šūnas dzīves cikla pēdējo posmu? • Proteīns, kas transportē skābekli asinīs. • Galvenais cilvēka elpošanas sistēmas orgāns. • ...

Christmas Chemistry Retrieval 2024-12-17

Christmas Chemistry Retrieval crossword puzzle
Across
  1. the name for a liquid that a substance dissolves into
  2. the day exactly one week after Christmas day
  3. season in Australia when it is Christmas
  4. scientist with a big beard and known as the 'father' of the modern Periodic Table
  5. most reactive element in group 7
  6. the element found in all acids
  7. Santa's third reindeer
  8. a vegetable served with Christmas dinner that is named after the capital of Belgium
  9. type of solution if the number of days of Christmas were a pH number
  10. Group 0 element and Superman's home planet
  11. an element brought by one of the 'Three Wise Men'
  12. total number of presents given in 12 Days of Christmas Hint: not quite a year in days
  13. sub-atomic particle with a negative charge
  14. a process to separate liquids with different boiling points
  15. sub-atomic particle with a positive charge
Down
  1. metal element which was found in Argentina (Hint: use periodic table symbols that are close to those in Argentina)
  2. reaction when a molecule loses oxygen
  3. a type of calendar usually with twenty-four doors
  4. an early model of the atom which was similar to a Christmas pudding
  5. the only metal element which is a liquid at room temperature - also a planet
  6. in 'OILRIG', what does the 'O' stand for?
  7. gas formed from burning fossil fuels that causes acid rain
  8. a column in the Periodic Table
  9. Scandanavian country that gives a massive Christmas tree to the UK every year as thanks for the help given in Second World War
  10. another name for the elements found in Group O
  11. Santa will get covered by this sooty element when he goes down a chimney
  12. water cooled glass tube which converts gas to liquid in distillation
  13. number of ghosts that visit Scrooge in 'A Christmas Carol'
  14. a row in the Periodic Table
  15. maximum number of electrons that can go in the second or third shell
  16. another name for Father Christmas

31 Clues: Santa's third reindeer • a row in the Periodic Table • a column in the Periodic Table • the element found in all acids • most reactive element in group 7 • another name for Father Christmas • reaction when a molecule loses oxygen • season in Australia when it is Christmas • in 'OILRIG', what does the 'O' stand for? • Group 0 element and Superman's home planet • ...

Year 9 Chemistry 2024-12-17

Year 9 Chemistry crossword puzzle
Across
  1. Name of the reaction where a more reactive metal takes the place of a less reactive metal in a compound
  2. one of the products of a reaction between an acid and an alkali, with water
  3. Positively charged particle in the nucleus of an atom
  4. One of the substances present at the start of a reaction
  5. Has a pH above 7 and tastes bitter
  6. A reaction that releases heat to the surrounding
  7. A measure of how much of a substance there is
  8. What we call oxygen when it binds to a non-oxygen element
  9. The process in which particles spread out through a liquid or gas
Down
  1. A substance that increases the rate of a reaction
  2. Atomic number 1, released when a metal reacts with an acid
  3. The interaction of 2 or more substances to create a new substance
  4. Indicator that changes colour based on what pH a substance is
  5. The name of the reaction that occurs when something burns
  6. Name of the reaction between an acid and an alkali
  7. Formed when a metal or alkali reacts with Sulphuric acid
  8. A metal that will not react with acids or water
  9. What everything is made of
  10. Has a pH below 7 and tastes sour
  11. Where electrons reside

20 Clues: Where electrons reside • What everything is made of • Has a pH below 7 and tastes sour • Has a pH above 7 and tastes bitter • A measure of how much of a substance there is • A metal that will not react with acids or water • A reaction that releases heat to the surrounding • A substance that increases the rate of a reaction • ...

Chemistry Review: Bonding 2025-03-06

Chemistry Review: Bonding crossword puzzle
Across
  1. a substance with constant composition that can be broken down into elements by chemical processes
  2. a positively charged particle in an atomic nucleus
  3. the total number of protons and neutrons in the atomic nucleus of an atom
  4. the change of substances into other substances through a reorganization of the atoms; a chemical reaction.
  5. the material of the universe
  6. a negatively charged particle that occupies the space around the nucleus of an atom
  7. atoms of the same element (the same number of protons) that have different numbers of neutrons. They have identical atomic numbers but different mass numbers.
  8. a change in the form of a substance, but not in its chemical nature; chemical bonds are not broken in a physical change.
  9. the observation that atoms of nonmetals form the most stable molecules when they are surrounded by eight electrons (to fill their valence orbitals)
  10. the tendency of an atom in a molecule to attract shared electrons to itself
  11. elements that have both metallic and non-metallic properties.
  12. the force that holds two atoms together in a compound
  13. an element that does not exhibit metallic characteristics. Chemically, a typical nonmetal accepts electrons from a metal.
  14. the electrons in the outermost occupied principal quantum level of an atom
Down
  1. the number of protons in the nucleus of an atom; each element has a unique atomic number
  2. a vertical column of elements having the same valence electron configuration and similar chemical properties.
  3. the small, dense center of positive charge in an atom
  4. a chart showing all the elements arranged in columns in such a way that all the elements in a given column exhibit similar chemical properties
  5. neutral particle contained in the nucleus of the particle, slightly more massive than a proton but has no charge.
  6. the science that deals with the materials of the universe and the changes that these materials undergo.
  7. an atom or a group of atoms that has a net positive or negative charge.
  8. the fundamental unit of which elements are composed
  9. an element that gives up electrons relatively easily and is typically lustrous, malleable, and a good conductor of heat and electricity.
  10. a positive ion
  11. a substance that cannot be decomposed into simpler substances by chemical or physical means. It consists of atoms all having the same atomic number. Graphite- carbon based: material that makes up pencil “lead”
  12. a bonded collection of two or more atoms of the same element or different elements
  13. a negative ion

27 Clues: a positive ion • a negative ion • the material of the universe • a positively charged particle in an atomic nucleus • the fundamental unit of which elements are composed • the small, dense center of positive charge in an atom • the force that holds two atoms together in a compound • elements that have both metallic and non-metallic properties. • ...

General Chemistry 2 2025-02-23

General Chemistry 2 crossword puzzle
Across
  1. Is the transfer of thermal energy between two bodies that are a different temperatures and is not equal to thermal energy.
  2. Occur from an ordered state to a more random arrangement
  3. Is a mathematical expression that show how the rate of reaction depends on the concentration of the reactants
  4. Is a thermodynamic term used to refer to the maximum work available for a process until the system comes into equilibrium with its surroundings
  5. Speed up the rate o a chemical reaction by providing an alternate route for the reaction to occur with lower activation energy
  6. Explains why different reactions occur at different rates and suggests ways to change the rate of reaction
  7. Are solid featuring highly ordered arrangement of their particles
  8. Is of the same phase as that of the reactants products
  9. Is the study of energy or heat flow that accompanies a chemical reaction and/or physical transformation.
  10. Equation A chemical equation that shows the value and direction of heat involved in reactions
  11. Measures the flow of energy (as heat) between the system and its surroundings
  12. Uses a catalyst that is of different phase that of the reactants and products
Down
  1. The scientific study of the interaction of heat and other types of energy
  2. Is the difference between the energy of the transition state and the energy of the reactants
  3. Are solidsin which the particle are not arrange in any specific order
  4. A process called seeding
  5. Are particles that ionize in a solutions
  6. Has an appreciable effect on the solubility of gas-liquid solutions, but has no affect on the solubility of solid salts to water
  7. Only tells wether a reaction will occur or not.
  8. Is a process though which a solvent flows though a semipermeable membrane
  9. Is an insulator apparatus that contains water or any liquid of known heat capacity
  10. Law States that the total enthalpy of a chemical reaction is the sum of the enthalpy changes for the steps of the reaction
  11. Having lower concentration of solute than other osmotic pressure than a surrounding medium
  12. Is the study of the rate of chemical reactions,including the mechanism by which a reaction occurs and the different factors that affects it
  13. Is the amount of pressure required to stop osmosis
  14. Is the force used to transfer energy between a system and its surroundings and is needed to create heat and the transfer of thermal energy
  15. Having a higher concentration of solutes than another solution or having excessive tension
  16. Is the part of the universe being studied to which attention is focused
  17. Is a measure of molecular randomness or disorder
  18. Is the study of tquantitative relationshiphip between reactants in a chemical reactions
  19. The amount of heat absorbed or released by a chemical reaction at constant atmospheric pressure.

31 Clues: A process called seeding • Are particles that ionize in a solutions • Only tells wether a reaction will occur or not. • Is a measure of molecular randomness or disorder • Is the amount of pressure required to stop osmosis • Is of the same phase as that of the reactants products • Occur from an ordered state to a more random arrangement • ...

CAST Chemistry Vocabulary 2025-02-28

CAST Chemistry Vocabulary crossword puzzle
Across
  1. neither positive nor negative
  2. the property of matter that is responsible for electrical phenomena, existing in a positive or negative form
  3. the electrons in the outermost shell, or energy level, of an atom
  4. simplified drawings of how valence electrons are arranged around atoms in a molecule
  5. the amount of matter
  6. an atom that has an equal number of protons and electrons, resulting in a neutral or zero electric charge
  7. an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups")
  8. a stable subatomic particle with a positive electric charge
  9. mass is neither created nor destroyed in chemical reactions
Down
  1. result from the attraction between oppositely charged ions
  2. the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes
  3. relating to or denoting chemical bonds formed by the sharing of electrons between atoms
  4. substance's mass per unit of volume
  5. a chemical element that mostly lacks distinctive metallic properties
  6. the tendency of an atom to attract electrons in a molecule
  7. a subatomic particle with a negative electric charge
  8. the ability of a solid, liquid, or gaseous chemical substance to dissolve in solvent and form a solution
  9. elements that are typically shiny, hard, and good conductors of heat and electricity
  10. the interatomic linkage that results from the sharing of an electron pair between two atoms
  11. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons

20 Clues: the amount of matter • neither positive nor negative • substance's mass per unit of volume • a subatomic particle with a negative electric charge • result from the attraction between oppositely charged ions • the tendency of an atom to attract electrons in a molecule • a stable subatomic particle with a positive electric charge • ...

Chemistry & Chemical Safety 2025-03-20

Chemistry & Chemical Safety crossword puzzle
Across
  1. material that is capable of igniting and burning
  2. abbreviated O/W emulsion; oil droplets emulsified in water
  3. alcohols that evaporate easily
  4. a substance that causes an increase in cellular mutations, some of which are harmful but others which have little or no effect on the body’s function; may cause cancer but not always
  5. chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  6. the smallest chemical components (often called particles) of an element
  7. required by law for all products sold include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use and handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  8. a stable, uniform mixture of two or more substances
  9. a measure of the acidity and alkalinity of a substance
  10. also known as bases; compounds that react with acids to form salts
  11. an ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  12. an ion with a negative electrical charge
  13. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  14. the abbreviation used for potential hydrogen.
  15. the substance that is dissolved in a solution
  16. abbreviated W/O emulsion; water droplets emulsified in oil
  17. colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  18. the simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity
  19. an atom or molecule that carries an electrical charge
  20. chemical reaction that releases a significant amount of heat
  21. sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  22. abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile)
  23. liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  24. subatomic particles with no charge
  25. a substance that causes or is believed to cause cancer
Down
  1. also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen)
  2. a solution that has a pH below 7
  3. rapid oxidation of a substance accompanied by the production of heat and light
  4. a contraction of surface active agents; substances that allow oil and water to mix, or emulsify
  5. an alpha hydroxy acid used in exfoliation and to lower the pH of products
  6. molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. the substance that dissolves the solute and makes a solution
  8. special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  9. abbreviated AHAs; acids derived from plants (mostly fruit) that are often used to exfoliate the skin
  10. a chemical combination of matter in definite (fixed) proportions
  11. an unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  12. when acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt
  13. a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
  14. unstable physical mixtures of undissolved particles in a liquid
  15. substances that should not be mixed or even stored near each other
  16. a substance that releases oxygen
  17. a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  18. characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
  19. liquids that are not capable of being mixed together to form stable solutions
  20. a change in the chemical composition or makeup of a substance
  21. material that is capable of igniting and burning, and easier to ignite than combustible material
  22. a solution that has a pH above 7
  23. characteristics that can be determined only by a chemical reaction and a chemical change in the substance
  24. the separation of an atom or molecule into positive and negative ions
  25. subatomic particles with a negative charge
  26. a very strong alkali used in chemical products and cleaners; commonly known as lye
  27. alkaline substances used to neutralize acids or raise the pH of many hair products
  28. easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  29. any substance that occupies space and has mass
  30. subatomic particles with a positive charge
  31. an ion with a positive electrical charge
  32. science that deals with the composition, structures, and properties of matter and how matter changes under different conditions
  33. a chemical combination of two or more atoms in definite (fixed) proportions

58 Clues: alcohols that evaporate easily • a solution that has a pH below 7 • a substance that releases oxygen • a solution that has a pH above 7 • subatomic particles with no charge • an ion with a negative electrical charge • an ion with a positive electrical charge • subatomic particles with a negative charge • subatomic particles with a positive charge • ...

My Chemistry Puzzle 2025-02-22

My Chemistry Puzzle crossword puzzle
Across
  1. the d-block elements with typical metallic properties and are often referred to as
  2. a measure of the ability of an atom in a chemical compound to attract electrons from another atom in the compound
  3. Ce
  4. the elements of Group 17 of the periodic table
  5. Fr
  6. the horizontal columns of the periodic table
  7. the elements of Group 2 of the periodic table
  8. a negative ion
  9. The energy change that occurs when an electron is required by a neutral atom
  10. Lu
  11. an atom or group of bonded atoms that has a positive or negative charge
  12. the physical and chemical properties of the elements are periodic functions of their atomic numbers.
  13. an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group.
  14. the elements of Group 1 of the periodic table
  15. developed a method that led to the determination of standard relative atomic masses
Down
  1. Lr
  2. p-block elements together with the s-block elements
  3. element 6
  4. the electrons available to be lost, gained or shared in the formation of chemical compounds
  5. the vertical columns of the periodic table
  6. element 30
  7. Na
  8. the 14 elements with atomic numbers from 58 (cerium, Ce) to 71 (lutetium, Lu).
  9. element 7
  10. the 14 elements with atomic numbers from 90(thorium, Th) to 103 (lawrencium, Lr).
  11. the energy required to remove one electron from a neutral atom of an element
  12. element 1
  13. element 90
  14. the elements of Group 18 of the periodic table
  15. a positive ion

30 Clues: Lr • Ce • Na • Fr • Lu • element 6 • element 7 • element 1 • element 30 • element 90 • a negative ion • a positive ion • the vertical columns of the periodic table • the horizontal columns of the periodic table • the elements of Group 2 of the periodic table • the elements of Group 1 of the periodic table • the elements of Group 17 of the periodic table • ...

Unit 1 Chemistry 2025-01-24

Unit 1 Chemistry crossword puzzle
Across
  1. A measure of the average kinetic energy of the particles in a substance
  2. A substance's characteristics that determine how it reacts with other substances
  3. State of matter without fixed shape or volume
  4. A type of reaction that absorbs heat
  5. Substances that are consumed during a chemical reaction
  6. An explanation for some aspect of the natural world that has been well supported
  7. A type of reaction that releases heat
  8. An approach to investigate something using multiple steps
  9. State of matter with fixed molecules
  10. A statement that describes something observable in nature that is true
  11. A possible explanation for something that can be tested
  12. Substances formed when two or more elements chemically bond together
  13. Pure substances consisting of only one type of atom
  14. Anything that has mass and occupies space
  15. Solid that forms when two substances mix
  16. State of matter with volume but no fixed shape
  17. A substance's characteristics that can be observed without changing it's chemical identity
Down
  1. Substances produced as a result of a chemical reaction
  2. A change when only the appearance of a substance is changed
  3. The energy of motion
  4. A factor that can change in an experiment
  5. The capacity to do work or produce heat
  6. A process in which substances are transformed
  7. A curve showing the effect of heating or cooling on a substance
  8. Substances with a direct molecular composition that are produced by or used in a chemical process
  9. The smallest unit of an element, consisting of protons, neutrons, and electrons
  10. The form of energy that flows between substances due to a temperature difference
  11. A type of mixture where components are not uniformly distributed
  12. A type of Mixture where the composition is uniform throughout
  13. The branch of science that studies composition, structure, and properties of substances
  14. The theoretical temperature at which all particle motion stops
  15. A combination of two or more substances that are not chemically bonded

32 Clues: The energy of motion • A type of reaction that absorbs heat • State of matter with fixed molecules • A type of reaction that releases heat • The capacity to do work or produce heat • Solid that forms when two substances mix • A factor that can change in an experiment • Anything that has mass and occupies space • State of matter without fixed shape or volume • ...

Organic Chemistry II 2025-04-07

Organic Chemistry II crossword puzzle
Across
  1. butanoyl chloride + methanol
  2. Reaction type that forms secondary alcohols from ketones.
  3. A very common condensation polymer which we also made.
  4. Apparatus set-up for continuous heating/further oxidation.
  5. Reaction type that forms ketones.
  6. The addition of H2 to an alkene.
  7. Reacts violently and exothermically with water.
  8. Non-superimposable, mirror-image isomers.
  9. The formula for a common reducing agent.
  10. This ester we made has a wintergreen/'Deep Heat' smell.
  11. Benedict's solution starts as this colour.
  12. Apparatus set-up to separate a product from the reaction mixture.
  13. A carbon with four different atoms and/or groups of atoms.
Down
  1. An ion with both positive and negative charges simultaneously.
  2. Oxidises aldehydes but not alcohols.
  3. Bromine water is decolourised by this.
  4. Piece of glassware that water keeps cool during reflux/distillation.
  5. An amide bond between amino acids.
  6. The ability of one substance to mix with another substance (typically liquids), forming a homogeneous mixture.
  7. My cat's name.
  8. propanoic acid + ethanol (and heat and conc. sulfuric acid)
  9. This molecule's enantiomers either cures morning sickness or causes birth defects.
  10. A larger molecule is broken down into smaller components by the addition of water.

23 Clues: My cat's name. • butanoyl chloride + methanol • The addition of H2 to an alkene. • Reaction type that forms ketones. • An amide bond between amino acids. • Oxidises aldehydes but not alcohols. • Bromine water is decolourised by this. • The formula for a common reducing agent. • Non-superimposable, mirror-image isomers. • Benedict's solution starts as this colour. • ...

Medical Laboratory Chemistry 2025-04-04

Medical Laboratory Chemistry crossword puzzle
Across
  1. adjust an instrument accuracy
  2. cough, runny nose, inflamed eyes, sore throat, fever, and a red, blotchy skin rash
  3. a laboratory tool used to accurately measure and transfer small volumes of liquid
  4. swollen, painful salivary glands, fever, headache, fatigue, and appetite loss
  5. an enzyme family crucial for nervous system function
  6. a compound or mixture added to a system to cause a chemical reaction, or to test if one occurs
  7. the activities and practices involved in keeping laboratory equipment in good working order
  8. any condition that disrupts the normal chemical processes, structures, or functions of an organism or cell, often leading to observable signs and symptoms
  9. the liquid portion of blood
Down
  1. contagious viral infection preventable by vaccine and best known by its distinctive red rash
  2. a common piece of laboratory glassware used for storing, mixing, and measuring liquids
  3. a simple sugar which is an important energy source in living organisms
  4. a waxy, fat-like substance found in the blood
  5. rapidly rotating container that separate fluids of different densities or liquids from solids
  6. medical name for what is commonly known as chickenpox.
  7. a disease characterized by inflammation of the liver
  8. a hormone produced by the placenta during pregnancy
  9. the data and findings obtained from experiments or analyses
  10. protein-rich liquid that separates out when blood coagulates
  11. a psychoactive depressant

20 Clues: a psychoactive depressant • the liquid portion of blood • adjust an instrument accuracy • a waxy, fat-like substance found in the blood • a hormone produced by the placenta during pregnancy • a disease characterized by inflammation of the liver • an enzyme family crucial for nervous system function • medical name for what is commonly known as chickenpox. • ...

Chemistry Vocabulary Crossword 2025-04-09

Chemistry Vocabulary Crossword crossword puzzle
Across
  1. Two or more different types of atoms (elements) chemically combined
  2. An expression that shows the elements in a compound with their subscripts. Example CH4
  3. The negative subatomic particle.
  4. A type of matter that has the same composition throughout; matter with a particular chemical makeup.
  5. A characteristic of matter that can be observed or measured without changing the identity of the substance. For example, mass or state of matter.
  6. A type of matter in which the individual substances are NOT evenly mixed together. Example: pizza
  7. A process that changes substances into new substances.
  8. The substances present before a chemical reaction occurs.
  9. A substance that is made of only one kind of atom.
  10. The substances formed during a chemical reaction.
Down
  1. Matter (mass) cannot be created or destroyed, it can only be rearranged.
  2. Two or more atoms joined together.
  3. A characteristic of matter that can be observed only as it changes to a different type of matter. For example: burning.
  4. A symbolic representation of a chemical reaction. Example 2H2+ O2 + --> 2H2O
  5. A small particle that is the building block of matter.
  6. The neutral subatomic particle.
  7. A change in only the physical properties of a substance. Does not result in a new substance.
  8. A type of mixture in which the individual substances are evenly mixed together. Example: milk
  9. A one or two letter abbreviation for an element name.
  10. The positive subatomic particle.
  11. Anything that has mass and takes up space (volume).

21 Clues: The neutral subatomic particle. • The negative subatomic particle. • The positive subatomic particle. • Two or more atoms joined together. • The substances formed during a chemical reaction. • A substance that is made of only one kind of atom. • Anything that has mass and takes up space (volume). • A one or two letter abbreviation for an element name. • ...

Chemistry 2 Final 2025-05-28

Chemistry 2 Final crossword puzzle
Across
  1. The denominator in the formula for molarity.
  2. Solutions with a higher pOH are more ______________.
  3. Reversible reaction equations have two of these. Also, launched from bendy sticks with strings.
  4. The universal solvent.
  5. The numerator for the unit of molar mass. Sounds a bit like it was the second that invented the telephone.
  6. Like a mole, but for eggs.
  7. 6.022 x 10^23
  8. Element of the cation associated with acids.
  9. Properties altered by concentration of solutes.
  10. The number in a chemical reaction equation that describes the number of molecules involved.
  11. When the conditions of a reversible reaction is changed, equilibrium will shift to ___________. Also granite in a kitchen.
  12. A sweet-tasting solute.
  13. M.
  14. Anion concentration increased by a base. Also, "_____ no,"
  15. Both acids and bases tend to be this, especially in relation to metals.
  16. A mixture with constituents that are evenly distributed.
Down
  1. The molar mass of this element is 30.974.
  2. ____________ weight: the mass of the average atom for a specific element. Found on the periodic table.
  3. As concentration of solute increases, freezing point goes ______________.
  4. Acids or Bases that dissociate completely.
  5. The lucky number indicating a neutral value (based on a negative logarithm).
  6. A verb. When the constituents of a molecule break apart in solution, they __________________.
  7. The point at which a reversible reaction's product and reactant concentrations stabilize. Also a Bavarian folk metal band.
  8. A mixture with constituents that are unevenly distributed.
  9. Amount of solute per volume. Focus and you will find the answer.
  10. Any substance that cannot be dissolved.
  11. Action of solutes in solvent. Faster whether shaken or stirred.

27 Clues: M. • 6.022 x 10^23 • The universal solvent. • A sweet-tasting solute. • Like a mole, but for eggs. • Any substance that cannot be dissolved. • The molar mass of this element is 30.974. • Acids or Bases that dissociate completely. • The denominator in the formula for molarity. • Element of the cation associated with acids. • Properties altered by concentration of solutes. • ...

Chemistry Regents Review 2025-05-30

Chemistry Regents Review crossword puzzle
Across
  1. when bonds are broken energy is…
  2. what chemical reaction has an element that replaces another element, leaving the 2nd element alone?
  3. what metal electrode does oxidation occur?
  4. which molecules are symmetrical?
  5. what are all the elements left of the staircase called?
  6. if 2 gases have the same pressure, temp, and volume they also have the same number of…
  7. what element indicates that the compound is organic?
  8. when energy is released the reaction is…
  9. what is it called when a reaction happens on its own and not forced?
  10. what are the group of stable elements called?
  11. what forces exist between gases?
  12. what is it called when a heavy nucleus is split and forms energy?
Down
  1. what are the electrons on the outermost shell called?
  2. what mixture are all particles spread out equally and you cant see the different parts?
  3. what chemical reaction breaks down a compound into multiple, smaller pieces?
  4. which model discovered electrons orbit the nucleus in circular paths?
  5. acids are proton/H+…
  6. what type of bonding has the strongest IMFs?
  7. which hydrocarbons are saturated?
  8. solutes and solvents have to have the ____ polarities in order to mix.
  9. what method separates a solid from a liquid?
  10. as kinetic energy increases, potential energy stays…
  11. the ____ surface area the reactants have the more collisions.
  12. what bond is formed with a metal and non-metal?
  13. what is a solution called when it still has room for more solute to dissolve?
  14. what connects 2 solutions in a voltaic cell?
  15. what substance separates into ions when dissolved in water?
  16. what is it called when 2 nuclei are combined to create 1 and energy?

28 Clues: acids are proton/H+… • when bonds are broken energy is… • which molecules are symmetrical? • what forces exist between gases? • which hydrocarbons are saturated? • when energy is released the reaction is… • what metal electrode does oxidation occur? • what type of bonding has the strongest IMFs? • what method separates a solid from a liquid? • ...

Chemistry & Chemical Safety 2025-05-20

Chemistry & Chemical Safety crossword puzzle
Across
  1. Sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams
  2. Substances that allow oil and water to mix, or emulsify
  3. Also known as bases; compounds that react with acids to form salts
  4. Prolonged, repeated, or long-term exposure that can cause sensitivity
  5. Characteristics that can be determined only by a chemical reaction and involve a chemical change in the substance
  6. Molecule containing two or more atoms of the same element in definite (fixed) proportions
  7. Subatomic particles with a negative charge
  8. Also known as compounds; a chemical combination of two or more atoms of different elements in definite (fixed) proportions
  9. A stable, uniform mixture of two or more substance
  10. The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits.
  11. A substance that releases oxygen
  12. Liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
  13. Chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur
  14. A chemical combination of matter in definite (fixed) proportions
  15. A substance that may cause cancer but not always
  16. Having an affinity for or an attraction to fat and oils (oil-loving)
  17. A physical combination of matter in any proportion
  18. A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  19. Alkaline substances used to neutralize acids or raise the pH of many hair products
  20. Liquids that are not capable of being mixed together to form stable solutions
  21. A change in the form or physical properties of a substance, without a chemical reaction or the creation of a new substance
  22. The separation of an atom or molecule into positive and negative ions
  23. A very strong alkali used in chemical products and cleaners; commonly known as lye
Down
  1. A solution that has a pH above 7
  2. Alcohols that evaporate easily, such as isopropyl alcohol
  3. An ion with a positive electrical charge
  4. An unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient called an emulsifier
  5. Characteristics that can be determined without a chemical reaction and do not involve a chemical change in the substance
  6. A solution that has a pH below 7
  7. The science that deals with the composition, structures, and properties of matter and how matter changes under different conditions.
  8. A substance that causes or is believed to cause cancer
  9. Easily absorbs moisture; in chemistry terms, capable of combining with or attracting water (water-loving)
  10. Substances that should not be mixed or even stored near each other
  11. Subatomic particles with a positive charge
  12. Rapid Oxidation of a substance accompanied by the production of heat and light
  13. Special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
  14. The simplest form of chemical matter and contains only one type of atom.
  15. The substance that dissolves the solute and makes the solution
  16. An atom or molecule that carries an electrical charge
  17. Chemical reaction that releases a significant amount of heat
  18. Required by law for all products sold; include safety information about products compiled by the manufacturer, including hazardous ingredients, safe use handling procedures, proper disposal guidelines, and precautions to reduce the risk of accidental harm or overexposure
  19. A colorless liquid or white crystals with a strong, unpleasant odor that is used in permanent waving solutions
  20. Colorless gas with a pungent odor that is composed of hydrogen and nitrogen
  21. An ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture
  22. A change in the chemical composition or makeup of a substance
  23. Any substance that occupies space and has mass (weight).
  24. Subatomic particles with no charge
  25. Unstable physical mixtures of undissolved particles in a liquid
  26. A chemical combination of two or more atoms in definite (fixed) proportions
  27. An ion with a negative electrical charge
  28. An alpha hydroxy acid used in exfoliation and to lower the pH of products
  29. The substance that is dissolved in a solution

52 Clues: A solution that has a pH above 7 • A solution that has a pH below 7 • A substance that releases oxygen • Subatomic particles with no charge • An ion with a positive electrical charge • An ion with a negative electrical charge • Subatomic particles with a positive charge • Subatomic particles with a negative charge • The substance that is dissolved in a solution • ...

Year 8 Chemistry 2025-05-21

Year 8 Chemistry crossword puzzle
Across
  1. Has 5 protons
  2. A process in which substances change into new substances
  3. The substance in which the solute dissolves
  4. An element that is dull and does not conduct electricity
  5. A substance made of only one type of atom
  6. A method used to separate an insoluble solid from a liquid
  7. A substance with a pH less than 7
  8. Two or more substances that are not chemically joined
  9. A space where protons, neutrons, and electrons are found
  10. The law that states mass is not lost or gained in a chemical reaction
  11. Has an atomic mass of 14 and makes up most of the air
  12. A method used to separate mixtures based on boiling points
Down
  1. Has an atomic mass of 12
  2. A chemical change that forms new substances
  3. Has 8 protons
  4. The substance that dissolves in a solvent
  5. The type of table that organizes elements by atomic number
  6. Has 2 protons and is a noble gas
  7. A method used to separate a dissolved solid from a liquid
  8. The chemical reaction of iron with oxygen and water
  9. A substance made when two or more elements chemically combine
  10. A mixture where a solute is dissolved in a solvent
  11. A substance with a pH of exactly 7
  12. A type of element that is shiny and conducts electricity
  13. A substance with a pH more than 7 and dissolves in water

25 Clues: Has 5 protons • Has 8 protons • Has an atomic mass of 12 • Has 2 protons and is a noble gas • A substance with a pH less than 7 • A substance with a pH of exactly 7 • The substance that dissolves in a solvent • A substance made of only one type of atom • A chemical change that forms new substances • The substance in which the solute dissolves • ...

Chemistry Crossword Crossing 2025-05-16

Chemistry Crossword Crossing crossword puzzle
Across
  1. Neutral group of atoms held by covalent bonds
  2. Covalent bond sharing two electron pairs
  3. Ordered 3D arrangement of ions
  4. Substance formed when two or more elements are chemically bonded
  5. Covalent bond sharing one electron pair
  6. Anything that has mass and takes up space
  7. Distinct forms of matter like solid, liquid, gas
  8. Characteristic describing ability to undergo chemical change
  9. The basic unit of a chemical element
  10. Atom or molecule with a net electric charge
  11. Attraction or repulsion between charges
  12. A positively charged ion
Down
  1. Atoms aim for eight valence electrons
  2. Molecule made of only two atoms
  3. Covalent bond sharing three electron pairs
  4. Characteristic observed without changing identity
  5. Bond from electrostatic attraction of ions
  6. Bond involving shared electron pairs
  7. Substance with two or more components not chemically bonded
  8. Outermost electrons involved in bonding
  9. A pure substance made of only one type of atom
  10. Simplest ratio of ions in ionic compound
  11. Covalent bond with unequal electron sharing
  12. A negatively charged ion

24 Clues: A negatively charged ion • A positively charged ion • Ordered 3D arrangement of ions • Molecule made of only two atoms • Bond involving shared electron pairs • The basic unit of a chemical element • Atoms aim for eight valence electrons • Outermost electrons involved in bonding • Covalent bond sharing one electron pair • Attraction or repulsion between charges • ...

Chemistry Review Crossword 2025-05-09

Chemistry Review Crossword crossword puzzle
Across
  1. Cl belongs to the ________ family.
  2. Protons + neutrons = ______________.
  3. Na belongs to the _______ metals family.
  4. In a _______ change, a new substance is made.
  5. Smallest possible piece of an element.
  6. Any particle that doesn't have a charge is ________.
  7. Substance with one type of atom.
  8. Inventor of the periodic table.
  9. Substance with more than one type of atom.
  10. A change where energy is released.
  11. Element that forms a positive ion.
  12. Element that forms a negative ion.
  13. Negative particle outside the nucleus.
  14. Elements like K and Na have symbols from their original ________ names.
Down
  1. __________ electrons are in the outermost shell.
  2. In a _______ change, no new substance is made.
  3. Only family with a full valence shell.
  4. Another word for an electron orbital.
  5. Atom or molecule with a charge.
  6. A ________ compound does not contain ions.
  7. A change where energy is absorbed.
  8. Positive particle in the nucleus.
  9. An metal that can have more than one charge is _________.
  10. Another name for a homogeneous mixture.
  11. When you heat a substance it gains __________.

25 Clues: Atom or molecule with a charge. • Inventor of the periodic table. • Substance with one type of atom. • Positive particle in the nucleus. • Cl belongs to the ________ family. • A change where energy is absorbed. • A change where energy is released. • Element that forms a positive ion. • Element that forms a negative ion. • Protons + neutrons = ______________. • ...

group 2 Chemistry 2025-10-14

group 2 Chemistry crossword puzzle
Across
  1. - Compounds with the same molecular formula but different structural formula
  2. - Large molecules of hydrocarbons are split up into smaller ones, with the help of a catalyst
  3. - burns easily
  4. reaction - One atom or group of atoms is replaced by another atom or group of atoms
  5. - a substance can quickly turn into a gas or vapor.
  6. - Saturated hydrocarbons with only single bonds between carbon atoms
  7. - the temperature which the substances boils
  8. - A porous mineral
Down
  1. - a fluid that resists flowing easily due to internal friction between its molecules.
  2. - the temperature which a solid substances melts
  3. - a process used to separate a mixture of liquids based on their different boiling points
  4. - the family of organic compounds with the OH function group, ethanol is example
  5. - A way to break molecules into smaller ones
  6. - An exothermic reaction in which the reactant combines with oxygen to form an oxide; also called burning
  7. - A type of plastic
  8. - A family of unsaturated hydrocarbons
  9. - the industrial process of separating and converting crude oil into useful products like gasoline, diesel, jet fuel, lubricants, and petrochemicals
  10. - substances that undergo combustion (or another chemical reaction) to produce energy that can be used for heating, electricity, movement, or other work
  11. acids - a family of organic acids which have the COOH functional group
  12. - When no more solute can dissolve in it at a specific temperature

20 Clues: - burns easily • - A porous mineral • - A type of plastic • - A family of unsaturated hydrocarbons • - A way to break molecules into smaller ones • - the temperature which the substances boils • - the temperature which a solid substances melts • - a substance can quickly turn into a gas or vapor. • - When no more solute can dissolve in it at a specific temperature • ...

CHEMISTRY CROSSWORD PUZZLE 2025-07-21

CHEMISTRY CROSSWORD PUZZLE crossword puzzle
Across
  1. A negatively charged particle that moves around the nucleus.
  2. A phenomenon where a compound exists in two forms by the shifting of a hydrogen atom and a double bond.
  3. The chemical decomposition of a substance by passing electric current through it.
  4. A substance with a sour taste and pH less than 7; turns blue litmus red.
  5. "Makes up most of the air we breathe, but we can't use it directly."
  6. A neutral particle found in the nucleus of an atom.
  7. An energy level where electrons revolve around the nucleus in an atom.
  8. The process of forming solid crystals from a solution.
  9. Mass per unit volume; determines how heavy something is for its size.
  10. A unit of concentration defined as moles of solute per liter of solution.
  11. A state in a chemical reaction where forward and reverse reactions occur at the same rate.
  12. The amount of space an object or substance occupies.
  13. A fixed circular path in Bohr’s model where electrons revolve around the nucleus.
Down
  1. A chemical reaction in which a substance burns in oxygen to release heat.
  2. Regions in an atom where there is a high probability of finding electrons.
  3. Substance that speeds up a reaction without being used up
  4. A combination of two or more substances that do not chemically combine.
  5. Two or more atoms bonded together.
  6. The existence of an element in more than one physical form in the same state (like diamond )
  7. The smallest unit of matter that retains the properties of an element.
  8. Unequal sharing of electrons in a molecule causes this type of charge separation.
  9. A slow chemical reaction between iron, water, and oxygen.
  10. A mixture of two or more metals, or a metal and a non-metal.
  11. The process in which a single ligand forms multiple bonds with a central metal ion.
  12. Atom or molecule with an electric charge.
  13. A heavy, poisonous metal.
  14. A solid substance with a regular and repeating arrangement of particles.
  15. The mixing of atomic orbitals to form new orbitals for bonding.
  16. A pure substance made up of only one type of atom.
  17. A reaction involving both oxidation and reduction."

30 Clues: A heavy, poisonous metal. • Two or more atoms bonded together. • Atom or molecule with an electric charge. • A pure substance made up of only one type of atom. • A neutral particle found in the nucleus of an atom. • A reaction involving both oxidation and reduction." • The amount of space an object or substance occupies. • ...

CHEMISTRY CROSSWORD PUZZLE 2025-07-21

CHEMISTRY CROSSWORD PUZZLE crossword puzzle
Across
  1. "Makes up most of the air we breathe, but we can't use it directly."
  2. A slow chemical reaction between iron, water, and oxygen.
  3. A negatively charged particle that moves around the nucleus.
  4. A chemical reaction in which a substance burns in oxygen to release heat.
  5. An energy level where electrons revolve around the nucleus in an atom.
  6. The mixing of atomic orbitals to form new orbitals for bonding.
  7. A combination of two or more substances that do not chemically combine.
  8. The process of forming solid crystals from a solution.
  9. Relationship Similarity between certain elements diagonally placed in the periodic table, like lithium and magnesium.
  10. A pure substance made up of only one type of atom.
  11. The process in which a single ligand forms multiple bonds with a central metal ion.
  12. The chemical decomposition of a substance by passing electric current through it.
  13. A substance with a sour taste and pH less than 7; turns blue litmus red.
  14. A unit of concentration defined as moles of solute per liter of solution.
Down
  1. Tendency of an atom to attract a shared electron pair in a chemical bond.
  2. A phenomenon where a compound exists in two forms by the shifting of a hydrogen atom and a double bond.
  3. A neutral particle found in the nucleus of an atom.
  4. The smallest unit of matter that retains the properties of an element.
  5. Mass per unit volume; determines how heavy something is for its size.
  6. The existence of an element in more than one physical form in the same state (like diamond )
  7. The amount of space an object or substance occupies.
  8. A fixed circular path in Bohr’s model where electrons revolve around the nucleus.
  9. Affinity The energy change when an atom gains an electron to form a negative ion.
  10. Regions in an atom where there is a high probability of finding electrons.
  11. moment Moment A measure of the separation of positive and negative charges in a molecule; usually shown in Debye.
  12. Unequal sharing of electrons in a molecule causes this type of charge separation.
  13. A state in a chemical reaction where forward and reverse reactions occur at the same rate.
  14. A mixture of two or more metals, or a metal and a non-metal.
  15. Two or more atoms bonded together.
  16. A solid substance with a regular and repeating arrangement of particles.

30 Clues: Two or more atoms bonded together. • A pure substance made up of only one type of atom. • A neutral particle found in the nucleus of an atom. • The amount of space an object or substance occupies. • The process of forming solid crystals from a solution. • A slow chemical reaction between iron, water, and oxygen. • ...

Grade 11 Chemistry 2025-10-02

Grade 11 Chemistry crossword puzzle
Across
  1. Tool used to measure temperature
  2. Two or more atoms bonded together
  3. Uniform mixture of two or more substances
  4. Process that separates liquids by boiling points
  5. Color of universal indicator in a neutral solution
  6. Technique to determine concentration using a standard solution
  7. Process that absorbs heat from surroundings
  8. Starting substance in a chemical reaction
  9. Negatively charged subatomic particle
Down
  1. Metal that rusts easily when exposed to air and water
  2. Element with the chemical symbol Na
  3. Small cylindrical glass container used in labs
  4. Solid changing directly to gas
  5. Lightest element; part of water and many compounds
  6. Substance that speeds up a reaction but isn’t used up
  7. Change of liquid to gas at the surface
  8. Dye that changes color in acids/bases
  9. Gas humans breathe in that plants release
  10. Gas used in balloons because it’s lighter than air
  11. Smallest unit of matter
  12. Scientist who organized the periodic table

21 Clues: Smallest unit of matter • Solid changing directly to gas • Tool used to measure temperature • Two or more atoms bonded together • Element with the chemical symbol Na • Dye that changes color in acids/bases • Negatively charged subatomic particle • Change of liquid to gas at the surface • Uniform mixture of two or more substances • Gas humans breathe in that plants release • ...

Grade 11 Chemistry 2025-10-02

Grade 11 Chemistry crossword puzzle
Across
  1. Gas humans breathe in that plants release
  2. Uniform mixture of two or more substances
  3. Tool used to measure temperature
  4. Process that separates liquids by boiling points
  5. Scientist who organized the periodic table
  6. Technique to determine concentration using a standard solution
  7. Element with the chemical symbol Na
  8. Starting substance in a chemical reaction
  9. Smallest unit of matter
  10. Two or more atoms bonded together
Down
  1. Dye that changes color in acids/bases
  2. Color of universal indicator in a neutral solution
  3. Negatively charged subatomic particle
  4. Substance that speeds up a reaction but isn’t used up
  5. Solid changing directly to gas
  6. Lightest element; part of water and many compounds
  7. Process that absorbs heat from surroundings
  8. Metal that rusts easily when exposed to air and water
  9. Gas used in balloons because it’s lighter than air
  10. Change of liquid to gas at the surface
  11. tube Small cylindrical glass container used in labs

21 Clues: Smallest unit of matter • Solid changing directly to gas • Tool used to measure temperature • Two or more atoms bonded together • Element with the chemical symbol Na • Dye that changes color in acids/bases • Negatively charged subatomic particle • Change of liquid to gas at the surface • Gas humans breathe in that plants release • Uniform mixture of two or more substances • ...

Chemistry Word puzzle 2025-10-17

Chemistry Word puzzle crossword puzzle
Across
  1. A column in the periodic table.
  2. The smallest particle of an element.
  3. Particles with a negative charge.
  4. A substance that speeds up a reaction.
  5. A substance that dissolves in water.
  6. Particles in the nucleus with no charge.
  7. The number of protons in an atom.
  8. A chart of all known elements.
  9. A charged atom.
  10. A mixture that looks the same throughout.
Down
  1. A substance made of only one type of atom.
  2. The substance that does the dissolving in a solution.
  3. A row in the periodic table.
  4. Particles with a positive charge.
  5. The substance being dissolved in a solution.
  6. A change that produces new substances.
  7. A bond where electrons are transferred.
  8. A Process where a solid changes directly into a gas.
  9. A mixture where you can see the different parts.
  10. A bond where electrons are shared.

20 Clues: A charged atom. • A row in the periodic table. • A chart of all known elements. • A column in the periodic table. • Particles with a positive charge. • Particles with a negative charge. • The number of protons in an atom. • A bond where electrons are shared. • The smallest particle of an element. • A substance that dissolves in water. • A substance that speeds up a reaction. • ...

chemistry ch 4 2025-10-28

chemistry ch 4 crossword puzzle
Across
  1. a positively or negatively charged particle
  2. Covalent Bond- a Covalent bond where each side of the atom has a positive and negative charges.
  3. negative ion
  4. must have a neutral charge.
  5. (Size of atom)
  6. the process of losing or gaining elections. to formions.
  7. (electron) diagrams the valence electrons of an atom
  8. Every atom wants" a full outer valance shell of 8 elections.
  9. 2 atoms share 2 sets of electrons.
  10. a positively charged ion
  11. - Bonds formed between Atoms that share a pair of electrons
  12. bond created when I atom takes an electron away from another atom creating Oppositely charged particles that bond strongly.
  13. are more stable than the elements that make then
  14. a measure of how strongly an atom attracts loose electrons.
Down
  1. the amount of energy needed to Ionization energy - the ar remove an electron from 1 atom of the element.
  2. strong bonds between I or more cations and I or more anions (an electron is lost from I and taken. by the other
  3. Molecules-A Molecule made of 2 of the Same atom. H2, N2, O2, F2, Cl2, B2, I2, Atz )
  4. Molecule made of Z of the same atom
  5. covalent bond - a covalent bond where I side of the Molecule is slightly positive & the other slightly negative.
  6. a negatively charged particle
  7. 2 atoms share 3 sets of electrons
  8. bond. bond created when 2 atoms Share a pain of electrons.
  9. positive ion
  10. an atom that lost or gained an electron

24 Clues: negative ion • positive ion • (Size of atom) • a positively charged ion • must have a neutral charge. • a negatively charged particle • Molecule made of Z of the same atom • an atom that lost or gained an electron • a positively or negatively charged particle • 2 atoms share 3 sets of electrons • 2 atoms share 2 sets of electrons. • ...

Bonding Crossword (Chemistry) 2026-02-09

Bonding Crossword (Chemistry) crossword puzzle
Across
  1. Bond between metal and a nonmetal
  2. Type of covalent bond where electronegativities are different
  3. Covalent prefix for 6
  4. Structures that show molecules drawn out
  5. Covalent prefix for 9
  6. Metals that can have more than one charge
  7. Negative Ion
  8. What a nonmetal and a nonmetal do with their electrons in a covalent bond
  9. Rule that states that all atoms want 8 electrons
  10. Electrons on the outermost shell, used in bonding
Down
  1. Bond between two metals
  2. Covalent prefix for 2
  3. What ions have that attract each other
  4. Bond between a nonmetal and a nonmetal
  5. Positive ion
  6. Covalent prefix for 8
  7. Ion with more than one atom
  8. Negative subatomic particle
  9. Positive subatomic particle
  10. Type of covalent bond when the difference in electronegativity is low or 0

20 Clues: Positive ion • Negative Ion • Covalent prefix for 2 • Covalent prefix for 6 • Covalent prefix for 8 • Covalent prefix for 9 • Bond between two metals • Ion with more than one atom • Negative subatomic particle • Positive subatomic particle • Bond between metal and a nonmetal • What ions have that attract each other • Bond between a nonmetal and a nonmetal • ...

Forensics and Chemistry 2025-11-13

Forensics and Chemistry crossword puzzle
Across
  1. [8] tool marks created from two objects rubbing against each other
  2. [4] ___alkane, a hydrocarbon containing a group 7 element
  3. [12] Evidence not accepted as valid in court
  4. [9] solution used for visualising fingerprints that turns pink/purple
  5. [6] functional group with the formula C-CO-C and ending in -one
  6. [6] the term for two molecules with the same formula but different structures and properties
  7. [5] a type of isomer caused by the rotation of hydrocarbon bonds in a molecule
  8. [3] the alternative name for Z isomer molecules
  9. [7] Free from bacteria and other living microorganisms
  10. [7] an atom with a single unpaired electron
  11. [7] an object collected for forensic analysis
  12. [4] a small particle made up of protons, electrons, and neutrons
  13. [6] a piece of PPE worn to protect items when touching them
  14. [2,4] a piece of evidence that is still in the location it was found
Down
  1. [6] a potential source of harm
  2. [5] An act introduced in 2002 to protect people handling hazardous substances at work
  3. [7] A class A drug, ___ Bear (2023 film)
  4. [9] type of powder used to dust for prints on a dark background
  5. [5] A small piece of evidence that may be unintentionally left at a scene
  6. [7] The R in FDR, left by guns at a crime scene
  7. [6] a piece of evidence that isn't visible without enhancement
  8. [5] A type of search pattern that involves starting in the centre of an imaginary circle and moving outwards
  9. [10] ___ of evidence, the documentation that tracks a piece of evidence through an investigation
  10. [13] the unwanted transfer of material to a piece of evidence
  11. [7] a method used to collect footprints and tool marks
  12. [4] tool used to collect liquid samples such as blood
  13. [8] a hydrocarbon containing at least one benzene ring
  14. [5] the governing body that sets chemical standard, including naming conventions

28 Clues: [6] a potential source of harm • [7] A class A drug, ___ Bear (2023 film) • [7] an atom with a single unpaired electron • [12] Evidence not accepted as valid in court • [7] an object collected for forensic analysis • [7] The R in FDR, left by guns at a crime scene • [3] the alternative name for Z isomer molecules • [4] tool used to collect liquid samples such as blood • ...

Crossword for Chemistry 2025-11-21

Crossword for Chemistry crossword puzzle
Across
  1. Mendeleev's Periodic Table was organized by increasing ______ ____
  2. A metal in the fifteenth group on the periodic table
  3. A Lanthanide
  4. An Actinide (hint: it’s green)
  5. Nonmetals have ___ melting points
  6. Metals These groups are malleable and ductile.
  7. Metals This group is the most reactive type of metals
  8. What is the charge of a noble gas ion?
  9. This type of element is an excellent Conductor of heat and electricity
  10. A transition metal found in group twelve of the periodic table
  11. Creator of the first Periodic Table
  12. A nonmetal in the sixteenth group on the periodic table
  13. This group has high melting and boiling points.
  14. What is the charge of a halogen?
  15. Noble Gases are colorless, odorless, and _________
Down
  1. What is the charge of an Alkaline Earth Metal?
  2. A metalloid in the fifteenth group on the periodic table
  3. How many valence electrons are in an atom of Carbon?
  4. Most reactive non-metal on the periodic table
  5. First person to create a periodic table organized by atomic number
  6. This type of element shares properties with both Metals and nonmetals
  7. What is the charge of an Alkali Metal?
  8. This group is the only group that contains liquids, solids, AND gases.
  9. Halogens are found in this group number
  10. ________ are all radioactive
  11. Alkaline Earth Metals oxidize in ___
  12. How many Valence electrons are in an atom of oxygen?
  13. Least reactive metal on the periodic table
  14. Alkaline Earth Metals make up this group number
  15. Alkali Metals make up this group number

30 Clues: A Lanthanide • ________ are all radioactive • An Actinide (hint: it’s green) • What is the charge of a halogen? • Nonmetals have ___ melting points • Creator of the first Periodic Table • Alkaline Earth Metals oxidize in ___ • What is the charge of an Alkali Metal? • What is the charge of a noble gas ion? • Halogens are found in this group number • ...

IGCSE Chemistry Terms 2026-01-15

IGCSE Chemistry Terms crossword puzzle
Across
  1. The average mass of the isotopes of an element compared to 1/12th of the mass of an atom of ¹²C.
  2. A reaction where only one product is formed.
  3. The water molecules present in hydrated crystals.
  4. A solution containing the maximum concentration of a solute dissolved in the solvent at a specified temperature.
  5. Different atoms of the same element that have the same number of protons but different numbers of neutrons.
  6. A substance containing no water.
  7. Coal, natural gas and petroleum.
  8. A strong electrostatic attraction between nuclei of two bonding atoms and shared pair of electrons.
  9. An acid that is completely dissociated in aqueous solution.
  10. A liquid or solution that has passed through a filter.
  11. The negative electrode where reduction takes place.
  12. The net movement of particles from a region of their higher concentration to a region of their lower concentration (down a concentration gradient), as a result of their random movement.
  13. A substance that reduces another substance and is itself oxidised.
  14. Reactions involving simultaneous oxidation and reduction.
  15. Gain of oxygen or loss of electrons/an increase in oxidation number.
  16. A large molecule built up from many smaller molecules called monomers.
  17. Loss of oxygen or gain of electrons/a decrease in oxidation number.
  18. The number and type of different atoms in one molecule.
  19. Metals that have high densities, high melting points, form coloured compounds, and often act as catalysts.
  20. Has molecules in which one or more carbon-carbon bonds are not single bonds (e.g., C=C double bonds).
  21. The total number of protons and neutrons in the nucleus of an atom.
  22. The reaction between carbon dioxide and water to produce glucose and oxygen in the presence of chlorophyll and using energy from light.
  23. A family of similar compounds with similar chemical properties due to the presence of the same functional group.
  24. A substance that is chemically combined with water.
Down
  1. An acid that is partially dissociated in aqueous solution.
  2. The decomposition of an ionic compound, when molten or in aqueous solution, by the passage of an electric current.
  3. A substance that dissolves a solute.
  4. The minimum energy that colliding particles must have to react.
  5. A substance that oxidises another substance and is itself reduced.
  6. Compounds with the same molecular formula, but different structural formulae.
  7. A substance that remains after evaporation, distillation, filtration or any similar process.
  8. Has molecules in which all carbon-carbon bonds are single bonds.
  9. A mixture of a metal with other elements.
  10. The sum of the relative atomic masses. (Relative formula mass will be used for ionic compounds).
  11. Compounds that contain hydrogen and carbon only.
  12. The number of protons in the nucleus of an atom.
  13. The transfer of thermal energy during a reaction. ΔH is negative for exothermic reactions and positive for endothermic reactions.
  14. The electrostatic attraction between the positive metal ions in a giant metallic lattice and a 'sea' of delocalised electrons.
  15. The positive electrode where oxidation takes place.
  16. A substance that conducts electricity when it is in a molten (liquid) state or dissolved in water (aqueous solution) that undergoes electrolysis.
  17. A strong electrostatic attraction between oppositely charged ions.
  18. A reaction where one atom or group of atoms is replaced by another atom or group of atoms.
  19. A substance that is dissolved in a solvent.
  20. Oxides that react with acids and with bases to produce a salt and water.
  21. The simplest whole number ratio of the different atoms or ions in a compound.
  22. An atom or group of atoms that determine the chemical properties of a homologous series.
  23. A mixture of one or more solutes dissolved in a solvent.
  24. Proton acceptors.
  25. Proton donors.
  26. The unit of amount of substance; one mole contains 6.02 × 10²³ particles (e.g., atoms, ions, molecules); this number is the Avogadro constant.

50 Clues: Proton donors. • Proton acceptors. • A substance containing no water. • Coal, natural gas and petroleum. • A substance that dissolves a solute. • A mixture of a metal with other elements. • A substance that is dissolved in a solvent. • A reaction where only one product is formed. • Compounds that contain hydrogen and carbon only. • ...