chemistry Crossword Puzzles

Chemistry Crossword 2023-10-28

Chemistry Crossword crossword puzzle
Across
  1. the scientific study of the composition structure and properties of matter and the changes that matter undergoes
  2. a substance that contains two or more elements chemically combined in fixed position
  3. Protective garment worn over the front of one's clothes and tied in the back.
  4. Protective eyewear that surrounds the eyes in order to prevent chemical splashes or small, fast-moving objects from coming into contact with the eyes.
  5. place it ontop of a test tube to keep liquid inside while mixing
  6. Temperature,This is a temperature reading made relative to absolute zero(kelvins).
  7. Safety Diamond
  8. a horizontal row of elements in a periodic table
  9. the simplest form of matter that has a unique set of properties an element cannot be broken down into simpler substances by chemical means
Down
  1. and physical
  2. risky or dangerous
  3. A machine to heat up beakers of substances
  4. the amount of matter within a certain volume
  5. a tall narrow container with a volume scale used especially for measuring liquids.
  6. a vertical column of elements in the periodic table the constituent elements of a group have similar
  7. a measurement of how much of a solute can dissolve in a liquid.
  8. a cylindrical container with a flat bottom
  9. a physical blend of two or more substances that are not chemically combined
  10. small tube that you can put samples in usually does not have measurements on the side
  11. Personal Protection Equipment

20 Clues: and physical • Safety Diamond • risky or dangerous • Personal Protection Equipment • A machine to heat up beakers of substances • a cylindrical container with a flat bottom • the amount of matter within a certain volume • a horizontal row of elements in a periodic table • a measurement of how much of a solute can dissolve in a liquid. • ...

Chemistry Crossword 2024-04-21

Chemistry Crossword crossword puzzle
Across
  1. Substances that are formed by a chemical change in a reaction
  2. The top point of a wave
  3. An equality statement in fraction form that helps you convert between units
  4. A shape of molecule where there are 3 electron domains around the central atom
  5. A type of reaction where a hydrocarbon reacts with oxygen gas to produce carbon dioxide and water vapor
  6. The distance between two consecutive points on a wave
  7. The amount of moles in volume of solution
  8. A shape of molecule where there are 4 electron domains around the central atom
  9. A region on the central atom of a molecule where electrons are most likely to be found (bonding and nonbonding electrons)
  10. A type of reaction that involves two ionic compounds where the cations switch places
  11. The unit of particles for an ionic compound
  12. A type of chemical reaction in which multiple substances form a single product
  13. The number of particles present in one mole of substance
  14. A shape of molecule where there are 3 bonds and 1 lone pair of electrons on the central atom
  15. A chemical substance that releases H+ ions in aqueous solutions
  16. A type of chemical reaction that involves a single element and an ionic compound where the single element switches places with the like element in the compound
  17. A bond formed when electrons are shared between two atoms
  18. A chemical substance that releases OH- ions in aqueous solutions
  19. The rate of occurrence of a wave
  20. The acronym that stands for Valence Shell Electron Pair Repulsion Theory
  21. A solution in which a solid is dissolved in water
  22. The geometry of where atoms are in relation to a central atom, only taking into account the bonding electrons
Down
  1. A solid that forms from a reaction between two aqueous solutions
  2. A type of electron that participates in bonding
  3. A number that indicates how many atoms are present in a molecule
  4. A type of chemical reaction in which a single substance breaks down into multiple substances
  5. A shape of molecule where there are 2 electron domains around the central atom
  6. The breakdown of ions in an aqueous solution
  7. Substances that are destroyed by a chemical change in a reaction
  8. A chart used to predict the states of matter of compounds
  9. A bond formed when electrons are transferred from one to another
  10. The arrangement of electrons in orbitals around the nucleus
  11. The unit of particles for an element
  12. A chemical reaction in which an acid and base react with one another to produce water and a salt solution
  13. The mass of a substance in grams
  14. A chart used to predict if a single replacement reaction will occur
  15. Electrons follow these pathways around the nucleus of the atom
  16. A number that indicates the charge of an ion
  17. Diagram that shows the valence electrons of an atom
  18. A number that indicates how many moles of a substance are present in a balanced chemical reaction
  19. A pair of electrons on the central atom of a molecule that do not participate in bonding
  20. The height of the wave
  21. The geometry of where atoms are in relation to a central atom, taking into account both bonds and lone pairs of electrons
  22. Reducing the number of moles of solute per unit volume of solution
  23. The bottom point of a wave
  24. The unit of particles for a covalent compound

46 Clues: The height of the wave • The top point of a wave • The bottom point of a wave • The mass of a substance in grams • The rate of occurrence of a wave • The unit of particles for an element • The amount of moles in volume of solution • The unit of particles for an ionic compound • The breakdown of ions in an aqueous solution • A number that indicates the charge of an ion • ...

Chemistry crossword 2024-06-17

Chemistry crossword crossword puzzle
Across
  1. Type of electromagnetic radiation that can be perceived by the human eye.
  2. Name that is the reference for the value of the mole.
  3. Has two shells and the same number of valence electrons of chlorine.
  4. Protons and neutrons particles.
  5. Has a greenish light with the flame test.
  6. Father of modern chemistry.
  7. Level of energy when electrons orbit.
  8. Every element has a specific mass as a signature.
  9. Electrons located on the outermost shell
  10. Variant of a same element.
Down
  1. Discovered the positive nucleus in the atom.
  2. Unit that represents a large set of particles.
  3. An unstable isotope that will start a chain reaction.
  4. First known as "better air".
  5. Radiation that shows the highest level of energy on the spectrum.
  6. Electrons located on the first shell(s) but not the last one.
  7. An old concept that was believed to be a fluid taken or added during combustion.
  8. From its Latin origin "Aurum"
  9. Radiation that shows the lowest level of energy on the spectrum.
  10. Has a mass of 56 amu.
  11. Has two shells of energy and only four valence electrons.
  12. Isotope of hydrogen with an extra two neutrons
  13. Discover the levels of energy for the electrons.

23 Clues: Has a mass of 56 amu. • Variant of a same element. • Father of modern chemistry. • First known as "better air". • From its Latin origin "Aurum" • Protons and neutrons particles. • Level of energy when electrons orbit. • Electrons located on the outermost shell • Has a greenish light with the flame test. • Discovered the positive nucleus in the atom. • ...

Y11 Chemistry 2024-06-19

Y11 Chemistry crossword puzzle
Across
  1. Atoms of an element with the same number of protons and electrons but different number of neutrons.
  2. An insoluble solid formed from 2 solutions reacting
  3. Different physical forms of the same element in the same state
  4. Removing salt from seawater.
  5. In a metal, these slide over each other without disrupting the bonding.
  6. Positive particle in an atom
  7. Another term for free electrons
  8. A salt that is formed when sulfuric acid reacts with another chemical element.
  9. A block of metals, usually giving rise to coloured compounds
  10. Group 2, The alkaline _____________ metals
  11. Produces hydrogen ions when dissolved in water
  12. Word used to describe the structure of ionic and metallic substances
  13. A mixture designed for a useful purpose
  14. Produced when the hydrogen in an acid is replaced by a metal
  15. The number of protons is the _________________ number
  16. Water that is safe to drink
  17. When a more reactive halogen takes the place of a less reactive one.
  18. Scientist responsible for the development of the periodic table
  19. A charged particle
  20. A narrow glass tube used for measuring liquid or for moving small amounts of liquid from one place to another, particularly 25cm3
  21. Most of an atoms mass is here
  22. Bonding between a metal and non-metal
  23. Method of potassium or sodium salt production
  24. A small mammal, but also the name given to approx 6x10e23 particles
  25. __________________ copper(II) sulfate, used to test for water
  26. Diamond and graphite have this type of structure
Down
  1. The colour of bromine in water
  2. The type of bond found within metal
  3. Colour of solutions formed by group 1 and 2 compounds
  4. A metal compound that reacts with acid to form salt, water and carbon dioxide
  5. Chlorination kills these, when making water safe to drink
  6. Method to separate and retain both the solute and its solvent - simple ___________________
  7. A soluble base
  8. A bond made from a shared pair of electrons, between non-metals
  9. A type of covalent structure, small, with a definite start and end
  10. Used to measure and record a volume of liquid very accurately, with a tap
  11. Solution of sodium or ammonium _________________ used to identify metal ions
  12. Total number of protons and neutrons is the ________________ number
  13. General name for liquid that passed through the filter paper
  14. The group of elements - fluorine, chlorine, bromine, iodine, and astatine.
  15. A very small particle that has no electrical charge
  16. Metals get more reactive down their group as the outer ____________ gets further from the attractive nucleus
  17. Elements with the same number of electrons in the outer shell are in the same ________________
  18. Smaller than an atom, describes the particles that make up an atom.
  19. An element that forms diamond, graphite and graphene.
  20. A type of model for the atom, based on a pudding.
  21. Method to separate coloured dyes for analysis - paper ______________________
  22. A positively charged ion.

48 Clues: A soluble base • A charged particle • A positively charged ion. • Water that is safe to drink • Removing salt from seawater. • Positive particle in an atom • Most of an atoms mass is here • The colour of bromine in water • Another term for free electrons • The type of bond found within metal • Bonding between a metal and non-metal • A mixture designed for a useful purpose • ...

Chemistry Fun! 2024-05-20

Chemistry Fun! crossword puzzle
Across
  1. All single bonds
  2. Q
  3. Reduction occurs here
  4. Converting moles of one substance to moles of another
  5. Charged atom
  6. Dispersion depends on these
  7. Everyone's favorite unit in chemistry
  8. Favored entropy sign
  9. Close to an amine but with a double bonded O
  10. Stable number of particles in a nucleus
  11. Favored electrochemical cell
  12. Strongest IMF
  13. Atomic size ____ across the PT
Down
  1. Particle involved in bonding
  2. Same Temperature, Same ______
  3. One of the quantum numbers
  4. The rate-determining step in a mechanism
  5. A high energy electron
  6. Color of light with the longest wavelength
  7. Describes how a reaction will shift when stressed
  8. Type of alloy
  9. The ultimate deciding factor for a process
  10. Most basic particle of matter
  11. Bond angle of 120
  12. Forward and reverse rates are equal
  13. Oxygen in a carbon chain

26 Clues: Q • Charged atom • Type of alloy • Strongest IMF • All single bonds • Bond angle of 120 • Favored entropy sign • Reduction occurs here • A high energy electron • Oxygen in a carbon chain • One of the quantum numbers • Dispersion depends on these • Particle involved in bonding • Favored electrochemical cell • Same Temperature, Same ______ • Most basic particle of matter • ...

Chemistry Final 2024-06-07

Chemistry Final crossword puzzle
Across
  1. The most maximum concentration point in which the leftover solute is dissolved again.
  2. A substance that is dissolved in a solution.
  3. Amount of a substance per defined space.
  4. The process of reducing the concentration of a solute in a solution.
  5. A chemical type that gives protons or hydrogen ions and/or accepts electrons.
  6. A type of homogeneous mixture in which the dispersed particles do not settle out.
  7. When two substances cannot mix together to form a solution.
  8. A component of a solution that is the most amount in the solution.
  9. A bond where an unequal amount of charge is distributed.
  10. Not able to be dissolved in a solvent.
  11. A substance which forms ions in an aqueous solution.
Down
  1. A chemical solution in which the solute concentration is lower than its equilibrium solubility.
  2. A homogeneous mixture of two or more substances.
  3. No separation of charge, so no positive or negative poles are formed.
  4. A concentration unit, defined to be the number of moles of solute divided by the number of liters of solution.
  5. A substance that doesn't exist in an ionic form in an aqueous solution.
  6. Any solution in which water is the solvent.
  7. When mixed, it's able to form a solution.
  8. How much can be dissolved.
  9. The maximum concentration point in which no more solute can be dissolved, with a little bit of solute left over.
  10. A chemical type that gives electrons or hydroxide ions or that accepts protons.
  11. Can easily be dissolved.

22 Clues: Can easily be dissolved. • How much can be dissolved. • Not able to be dissolved in a solvent. • Amount of a substance per defined space. • Any solution in which water is the solvent. • When mixed, it's able to form a solution. • A substance that is dissolved in a solution. • A homogeneous mixture of two or more substances. • ...

Chemistry Crossword 2024-09-05

Chemistry Crossword crossword puzzle
Across
  1. positive charge
  2. you can only shorten your notation if you put your noble gas in _____
  3. a principle in which electrons occupy the lowest energy shells first
  4. the least frequent wavelength
  5. to what power is 3.00 to when referring to the speed of light
  6. where do electrons “possibly” store themselves?
  7. what does energy emit when it returns back to its original state
  8. a principle in which electrons can only occupy the same orbital if they have the different spin
  9. negative charge
  10. if there are five orbitals, how many electrons can fit (MAXIMUM)
  11. what does E=h*v mean
  12. how many rows are in a periodic table
  13. to know the ______ you need to know the frequency
  14. what is the highest point in the wavelength called
  15. what is the lowest point in the wavelength called
  16. how should you write the frequency formula in your calculator?
  17. how many electrons can fit into one orbital?
  18. types of electrons that occupy the outer energy shell
  19. electrons have to occupy ____ before they can pair up
  20. what block is Helium in on the periodic table
  21. a section in the periodic table that has 2 rows of 14 elements
  22. what is the element that Zn represents
Down
  1. unit for measuring energy
  2. if it is row 4 in the S block, what row is it in the D block?
  3. the most frequent wavelength
  4. what is the name of h/6.626*10^-34?
  5. what are the subshells (or “blocks”) electrons are grouped into IN ALPHABETICAL ORDER!
  6. what should the number of electrons be equal to?
  7. ____ model is a model that displays the structure of an atom, but is slightly inaccurate (also used frequently in present day science classrooms)
  8. also known as the atomic number
  9. if all of sulfur’s exponents add up to 16, what is sulfur’s atomic number?
  10. to what power is 6.626 to when referring to energy
  11. what state is energy in when it gets to an excited state
  12. where electrons could POSSIBLY be
  13. the units for frequency
  14. no charge
  15. what block is Zn in?
  16. have a different number of neutrons, but same number of protons

38 Clues: no charge • positive charge • negative charge • what does E=h*v mean • what block is Zn in? • the units for frequency • unit for measuring energy • the most frequent wavelength • the least frequent wavelength • also known as the atomic number • where electrons could POSSIBLY be • what is the name of h/6.626*10^-34? • how many rows are in a periodic table • ...

Basic Chemistry 2024-09-10

Basic Chemistry crossword puzzle
Across
  1. Subatomic particle with a positive electric charge(pg.25)
  2. Two or more atoms bonded together(pg.25)
  3. Electron hungry and attract electrons very strongly(pg.34)
  4. The measure of hydrogen ion concentration of a solution(pg.40)
  5. Electrons forming the electron cloud around the nucleus of an atom occupy regions of space called?(pg.31)
  6. Single-ring structure containing three to seven carbon atoms(pg.43)
  7. Energy in action (pg.24)
  8. Net negative charge(pg.32)
  9. Average of the relative weights( mass number)of all the isotopes of an element(pg.28)
  10. Weak bonds formed between one hydrogen atom, covalently linked to an electronegative atom and another electronegative atom(pg.34)
  11. Anything that occupies space and has mass(pg.24)
  12. Chemical bond between atoms formed by the transfer of one or more electrons from one atom to another(pg.32)
  13. Building blocks of protein molecules(pg.47)
  14. Universal energy compound of body cells(pg.55)
  15. Basic structural material of the body9PG.47)
  16. Globular proteins that act as a biological catalyst(pg.51)
  17. Sum of protons and neutrons(pg.27)
  18. Large arrays of cation and anions held together by ionic bonds(pg.32)
  19. Energy involved in moving matter (pg.24)
  20. When chemical bonds are formed, rearranged or broken(pg.35)
  21. Unstable chemical element that releases radiation and their atoms decompose spontaneously into more stable forms(pg.28)
  22. Subatomic particle with a negative charge(pg.25)
  23. A combination of two or more atoms held together by chemical bonds(pg.28)
  24. When atoms or molecules combine to form a larger, more complex molecule(pg.36)
  25. Substance that release hydrogen ions(proton donors)(pg.39)
Down
  1. Polymers of simple sugars linked together by dehydration synthesis(pg.43)
  2. building blocks of elements (pg.27)
  3. Formed when two pair of electrons is shared between two atoms(pg.32)
  4. Homogeneous mixture of components that may be gases, liquids, or solids(pg.29)
  5. Formed when two monosaccharides are joined by dehydration synthesis(pg.43)
  6. The capacity to do work, or to put matter into motion (pg.24)
  7. Unique substances that cannot be broken down into simplier substances by ordinary chemical bonds (pg.25)
  8. Energy stored in chemical bonds(pg.24)
  9. Energy Stored (pg.24)
  10. Net positive charge(pg.32)
  11. A group of molecules that includes sugars and starches(pg.43)
  12. Substances composed of two or more components physically intermixed(pg.29)
  13. The number of protons in the nucleus of an atom(pg.27)
  14. Flat molecules made up of four interlocking hydrocarbon rings(pg.47)
  15. Organic compounds insoluble in water but soluble in other lipids and in organic solvents(pg.43)
  16. Single most abundant compound in the body(pg.38)
  17. Study of the chemical compositions and reactions of living matter(pg.38)
  18. Same number of protons(and electrons)but different number of neutrons(pg.27)
  19. An atoms outermost energy level(pg.31)
  20. Proton acceptors(pg.39)
  21. Heterogeneous mixture containing dispersed or suspended particles in the dispersion medium(pg.30)
  22. Heterogenous mixture with large, often visible solutes ta tend to settle out(pg.30)
  23. A substance formed from two or more different elements chemically bonded(pg.28)
  24. Atoms combining with other atoms to form chemical compounds(pg.31)
  25. Ionic compounds that dissolve in water an acts as electrolytes(g.39)

50 Clues: Energy Stored (pg.24) • Proton acceptors(pg.39) • Energy in action (pg.24) • Net positive charge(pg.32) • Net negative charge(pg.32) • Sum of protons and neutrons(pg.27) • building blocks of elements (pg.27) • Energy stored in chemical bonds(pg.24) • An atoms outermost energy level(pg.31) • Two or more atoms bonded together(pg.25) • Energy involved in moving matter (pg.24) • ...

Basic Chemistry 2024-09-13

Basic Chemistry crossword puzzle
Across
  1. Located in the nucleus of the atom and bear a neutral charge. Page 25
  2. To change reversibly from a fluid (sol) state to a more solid (gel)state. Page 30
  3. Energy that is directly involved in moving matter. Page 24
  4. When atoms with 6 or 7 valence electrons attracts electrons strongly. Page 34
  5. Unequal electron pair sharing. Page 34
  6. To express the concentration of a solution. Page 29
  7. A listing of the known elements and helps to explain their properties. Page 25
  8. The atom that gains one or more electrons is the electron acceptor. Page 32
  9. Energy in action. Page 24
  10. Located in the nucleus of the atom and bear a positive charge. Page 25
  11. The atom that loses electrons is the electron donor. Page 32
  12. A sentence describing what happens in a reaction. Page 35
  13. Substances present in smaller amounts. Page 29
  14. They are the basis of all reactions in which food fuels are broken down for energy. Page 36
  15. Atom that has the same number of protons but different numbers of neutrons. Page 27
  16. Electrons forming the electron cloud around the nucleus of an atom that occupy regions. Page 31
  17. A chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other. Page 32
  18. Homogeneous mixtures of components that may be gases, liquid or solids. Page 29
  19. Substances present in the greatest amount. Page 29
  20. Stored in the bonds of chemical substances. Page 24
  21. Formed when a hydrogen atom, is linked to an electronegative atom. Page 34
  22. The sum of masses of its protons and neutrons. Page 27
  23. Each element designates by one or two letter. Page 25
  24. Substances compound of two or more compounds. Page 29
  25. Anything that occupies space and has mass. Page 24
Down
  1. results from the movement of charged particles. Page 24
  2. Energy that travels in waves. Page 24
  3. When smaller particles are bonded to form complex molecules. Page 36
  4. Energy is stored and inactive. Page 24
  5. To convert energy from one form to another. Page 24
  6. Reacting substances in a chemical reaction. Page 35
  7. Substances that increases the rate of chemical reactions without becoming chemically charged. Page 38
  8. When bonds are broken in larger molecules, resulting in smaller, less complex molecules. Page 36
  9. Located in the centre of the atoms and consist of protons and neutrons. Page 25
  10. bonds - An energy relationship between the electrons of the reacting atoms, and it is made or brake in trillionth of a second. Page 31
  11. Atoms with one or two valence shell electrons. Page 34
  12. Isotopes that exhibit reactivity behavior. Page 28
  13. Regions around the nucleus in which a given electron or electron pair is likely to be found. Page 26
  14. An average of the relative weights (mass numbers) of all the isotopes of an element. Page 28
  15. Molecules that are formed from covalent bonds and are electronically balanced. Page 33-34
  16. Clusters of even smaller particles called protons, neutrons and electrons. Page 24
  17. A combination of two or more atoms held together by chemical bond. Page 28
  18. Located on the shell of the atom and has a negative charge. Page 25
  19. Heterogeneous mixtures, which means that the composition is dissimilar in different arears of the mixture. Page 30
  20. Heterogenous mixtures with large, often visible solutes that tend to settle out. Page 30
  21. Equal to the number of protons in its nucleus. Page 27
  22. When two or more different kinds of atoms bond. Page 28
  23. Electron sharing produces molecules. Page 32
  24. The process of the atomic decay. Page 28
  25. Equal to its atomic weight or molecular weight. Page 29
  26. Predicting the chemical behavior of atoms. Page 26

51 Clues: Energy in action. Page 24 • Energy that travels in waves. Page 24 • Energy is stored and inactive. Page 24 • Unequal electron pair sharing. Page 34 • The process of the atomic decay. Page 28 • Electron sharing produces molecules. Page 32 • Substances present in smaller amounts. Page 29 • Isotopes that exhibit reactivity behavior. Page 28 • ...

Basic Chemistry 2024-09-13

Basic Chemistry crossword puzzle
Across
  1. two or more atoms held together by chemical bonds.
  2. full set of protein made by the body
  3. homogenous components that may be gases, liquids or solids.
  4. proteins, proteins that are extended and strand like.
  5. energy in action
  6. acids, they are DNA and RNA
  7. isotopes that is radioactive.
  8. composed of two or more components physically intermixed.
  9. anything that occupies space and has mass
  10. stored energy
  11. a single chain structures containing three to seven carbon atoms
  12. formed when two monosaccharides are joined by dehydration synthesis
  13. number, number of protons and neutrons
  14. have a negative charge
  15. an ionic compound containing cations
  16. number, number of protons
  17. have a positive charge
  18. substances that conduct an electrical current solution
  19. same number pf protons but different number of neutrons
  20. bonds, a chemical bond between atoms formed by a transfer of one or more electrons.
  21. substance present in smaller amounts in a solution
  22. the capacity to do work
  23. triphosphate, energy release during glucose catabolism
  24. they are protons acceptors
  25. group of molecules that include sugar and starches
Down
  1. polymers of simple sugars linked by dehydration synthesis
  2. a substance that releases hydrogen ions
  3. unique substances that cannot be broken down into simpler substances.
  4. are know as neutral fats
  5. heterogenous mixtures with often visible solutes that tend to settle out.
  6. the substance on which enzyme acts
  7. any element or compound is equal to its molecular weight
  8. bonds, sharing of electrons to achieve stability.
  9. substance present in the greatest amount in a solution
  10. energy, energy that travels in waves.
  11. smallest unit of a chemical element consisting of protons, neutrons and electrons
  12. insoluble in water but dissolve readily in other lipids and organic solvents.
  13. they are called emulsions.
  14. energy, the amount ofc energy needed to break the bonds of reactants
  15. bonds, bonding between dipoles such as water molecules
  16. energy, energy formed between chemical bonds.
  17. energy, energy directly involved in matter,
  18. flat molecules made of four interlocking hydrocarbon bonds
  19. innermost layer of an atom
  20. when two or more different kinds of atom binds
  21. they are neutral
  22. a globular protein that acts as a biological catalysts
  23. acids, building block of proteins
  24. shell, outside of an atom around the atomic nucleus.
  25. bonds, energy that results from the movement of charged particles.

50 Clues: stored energy • energy in action • they are neutral • have a negative charge • have a positive charge • the capacity to do work • are know as neutral fats • number, number of protons • they are called emulsions. • innermost layer of an atom • they are protons acceptors • acids, they are DNA and RNA • isotopes that is radioactive. • acids, building block of proteins • ...

Basic Chemistry 2024-09-11

Basic Chemistry crossword puzzle
Across
  1. Positively charge pg25
  2. He, Ne and Ar are all what? pg 31
  3. Substances that increase rate of chemical reactions without chemically changing pg38
  4. Has an electrically balanced molecule pg34
  5. The average of the relative weights pg28
  6. Energy in action p24
  7. Larger solute particles are found in pg30
  8. Contains both protons and neutrons 25
  9. C6H12O6 is pg30
  10. Anything that takes up space and has mass pg 24
  11. Smallest building blocks pg25
  12. The region around the nucleus pg26
  13. An element or compound that equals to its atomic weight pg29
  14. A negatively charge ion pg32
  15. Has a mass of 1/2000 pg25
  16. Has no charge pg25
  17. The opposite of Gas pg24
  18. Transferred of Electrons pg32
  19. A strong attracted electron is called pg34
  20. Full outer shell is known as pg31
  21. Sum mass of proton and neutrons pg27
  22. Modern model of atomic structure pg26
  23. There are 118 of them pg25
  24. The letter for an element is called an pg25
  25. Two or more atoms held together by chemical bonds is called pg28
  26. An atom occupies regions of space pg31
  27. Stored energy pg24
Down
  1. What molecule has a paired of unequal sharing? pg34
  2. When water has two poles of charge pg34
  3. A primary compound of all organic molecules pg26
  4. An atom that is equal to the same # of protons is? pg27
  5. Great for teeth and bones pg26
  6. NaCl pg29
  7. When atom combine with other atoms, they are held together by pg31
  8. Two or more structural variations is an pg27
  9. Shared electrons pg32
  10. Water in a solution is called a pg29
  11. Two or more different kind of atom bind together is called pg28
  12. Isotopes that exhibit radioactivity behavior pg28
  13. The energy that is released when fuel molecules are oxidized pg37
  14. H2O pg34
  15. Ability to do work. pg24
  16. Need to make functional thyroid hormones pg26
  17. A mixture of composition is called a? pg29
  18. Two or more components that physical intermixed pg29
  19. A mixture of sand and water is a pg30
  20. Occurs when ionic compounds are formed pg36
  21. Has neither shape nor volume pg24
  22. Salt is an example of which solution pg29
  23. Simplest and smallest atom pg27

50 Clues: H2O pg34 • NaCl pg29 • C6H12O6 is pg30 • Has no charge pg25 • Stored energy pg24 • Energy in action p24 • Shared electrons pg32 • Positively charge pg25 • Ability to do work. pg24 • The opposite of Gas pg24 • Has a mass of 1/2000 pg25 • There are 118 of them pg25 • A negatively charge ion pg32 • Smallest building blocks pg25 • Transferred of Electrons pg32 • Great for teeth and bones pg26 • ...

Chemistry Craze 2024-05-06

Chemistry Craze crossword puzzle
Across
  1. mixture where the individual particles cannot be distinguished at all
  2. a solution where the solvent is water
  3. requires input of energy (heat)
  4. transition from solid to gas
  5. elements that do not exist naturally as a single atom, however, is bonded together by two elements
  6. number of digits that are known to some degree of reliability ( ____ for life)
  7. where a solution is boiled in order to separate liquids
  8. whenever two liquids do not mix with each other
  9. the study of how heat is affects matter and how it is converted to and from other forms of energy
  10. a biological catalyst that speeds up the rate of reactions that occur in the body
  11. a principle under the conditions of equal pressure and temperature, as well as, equal volumes of all gases that contain the same number of particles
  12. the energy that is required to remove an electron from an atom
Down
  1. releases heat
  2. a negative ion
  3. a point where H3O+ ions from the acid equals the moles of OH- from the base and is determined from a graph of the titration
  4. diffusion that is through a tiny opening
  5. a mixture that contains particles, which will settle out if it is left undisturbed
  6. when a base accpets a hydrogen atom from an acid; species produced
  7. a rule that means atoms will gain, lose, or share valence electrons to attain all 8 valence electrons
  8. the mixture is poured through a filter to separate liquids and solids

20 Clues: releases heat • a negative ion • transition from solid to gas • requires input of energy (heat) • a solution where the solvent is water • diffusion that is through a tiny opening • whenever two liquids do not mix with each other • where a solution is boiled in order to separate liquids • the energy that is required to remove an electron from an atom • ...

chemistry bonus 2024-05-01

chemistry bonus crossword puzzle
Across
  1. point where two phases of a substance becomes indistinguishable from each other
  2. a compound that can act as either an acid or a base
  3. the minimum amount of energy that must be applied to a system to initiate a chemical change
  4. strong acids and bases ____ in water
  5. NaOH, KOH, Ca(OH)2, Ba(OH)2 are examples of ___
  6. the species produced when a base accepts a hydrogen ion (H+) from an acid
  7. to find the concentration of a basic solution, titrate with a known ___
  8. the change in heat of the products from the reactants
  9. monoprotic acid donates ___ proton per molecule
  10. to find the concentration of an acidic solution, titrate with a known ___
Down
  1. neutralization is what type of reaction
  2. solid to gas
  3. a procedure in which the concentration of a solution is determined by comparing it to a solution of known concentration
  4. as temperature _____ increases according to Gay-Lussac's law.
  5. HCl, HNO3, H2So4 are examples of ____
  6. the total amount of energy; movement
  7. the point at which the indicator used in a titration changes color.
  8. gas to a solid
  9. salt is what type of compound
  10. a substance that speeds up a chemical reaction without itself undergoing any chemical change

20 Clues: solid to gas • gas to a solid • salt is what type of compound • the total amount of energy; movement • strong acids and bases ____ in water • HCl, HNO3, H2So4 are examples of ____ • neutralization is what type of reaction • NaOH, KOH, Ca(OH)2, Ba(OH)2 are examples of ___ • monoprotic acid donates ___ proton per molecule • a compound that can act as either an acid or a base • ...

chemistry crossword 2024-05-08

chemistry crossword crossword puzzle
Across
  1. the horizontal rows of the periodic table.
  2. the force of attraction between 2 atoms in a molecule.
  3. the smallest unit of an element.
  4. elements on the periodic table that are usually brittle, do not conduct electricity, and are sometimes gases.
  5. elements on the periodic table that are mostly silver, shiny and conduct electricity.
  6. the liquid that dissolves a solute.
  7. the solid that dissolves in a solvent.
  8. a mixture of 2 or more metals.
  9. 2 or more atoms bonded together.
  10. change of state from a solid to a liquid.
  11. does dissolve.
  12. another word for particles bumping into each other or hitting the sides of a container.
  13. made up of one type of atom.
  14. the vertical columns of the periodic table.
  15. what happens to a solute when you mix it with a solvent. the solute __________.
  16. when a particle cannot move around other particles, but it can still shake back and forth.
  17. NaOH, HCl, H2O, CO2, O2, N2 are examples of these.
  18. change of state from a liquid to a gas.
Down
  1. cannot see through.
  2. a shorter way to write an element's name.
  3. a lot of solute in a solution.
  4. this is caused by particles hitting the side of a container.
  5. can see through.
  6. when a liquid or gas spreads out.
  7. an impure substance.
  8. this can be solid, liquid, gas.
  9. these are shorter ways of writing the name of an element. e.g. Mg = magnesium.
  10. not much solute in a solution.
  11. does not dissolve.
  12. this can come in the form of kinetic, heat, light, chemical, potiential.
  13. made up of a solute and solvent.
  14. the separation of colours on filter paper.
  15. made up of two or more different types of atoms bonded together.

33 Clues: does dissolve. • can see through. • does not dissolve. • cannot see through. • an impure substance. • made up of one type of atom. • a lot of solute in a solution. • a mixture of 2 or more metals. • not much solute in a solution. • this can be solid, liquid, gas. • the smallest unit of an element. • 2 or more atoms bonded together. • made up of a solute and solvent. • ...

Chemistry Review 2025-02-12

Chemistry Review crossword puzzle
Across
  1. the smallest amount of an individual element you can have
  2. this property of a substance tells us whether it is a solid or liquid at room temperature
  3. during this type of change, the size and shape of something is changed
  4. these are subatomic particles found in the nucleus that have NO electrical charge
  5. the smallest amount of a compound is one
  6. during this type of change a completely new substance is formed
  7. the substances that go into a chemical reaction on the left side of a chemical equation
  8. this number tells us the number of protons plus the number of neutrons
  9. this property of a substance tells us whether it is a liquid or a gas at room temperature
  10. elements in the same group/family have similar chemical and physical
  11. a tool you can use to separate Iron from other substances
Down
  1. these are subatomic particles found outside the nucleus of an atom and has a negative charge
  2. what is produced in a chemical reaction and found on the right side of a chemical reaction
  3. Salt water is this type of mixture because it looks the same throughout
  4. pure individual substances which is the ingredients to everything in the universe
  5. this is the universal solvent because it is the base of almost every liquid solution
  6. salad is this type of mixture because you can see the individual parts
  7. these types of substances are good conductors of heat and electricity
  8. two or more different elements chemically combined
  9. a mixture of metals melted into each other
  10. in group eight we have a collection of very unreactive gases like Neon which we call the
  11. these are subatomic particles found inside the nucleus of an atom and have a positive charge
  12. this number on the P.T.O.E tells us the number of protons and electrons in an atom

23 Clues: the smallest amount of a compound is one • a mixture of metals melted into each other • two or more different elements chemically combined • the smallest amount of an individual element you can have • a tool you can use to separate Iron from other substances • during this type of change a completely new substance is formed • ...

Chemistry Vocabulary 2025-01-15

Chemistry Vocabulary crossword puzzle
Across
  1. evenly mixed substances(same consistency)
  2. composed of more than one different elements
  3. contains two atoms
  4. no definite shape or volume
  5. solid to liquid
  6. composed of more than one same or different element
  7. smallest unit of matter
  8. study of matter and its changes
  9. energy of position (stored)
  10. educated guess
  11. solid to gas
  12. liquid to solid
  13. energy of motion
Down
  1. definite shape, definite volume
  2. liquid to gas
  3. composed of only one type of element or compound
  4. gas to solid
  5. substance made of only one type of atom
  6. unevenly mixed substances (different consistency)
  7. contains more than one substance not in a fixed ratio
  8. describes how and why something happens
  9. gas to liquid
  10. describes what happens
  11. has mass and takes up volume
  12. definite volume, no definite shape

25 Clues: gas to solid • solid to gas • liquid to gas • gas to liquid • educated guess • solid to liquid • liquid to solid • energy of motion • contains two atoms • describes what happens • smallest unit of matter • no definite shape or volume • energy of position (stored) • has mass and takes up volume • definite shape, definite volume • study of matter and its changes • ...

Chemistry laboratory 2025-02-15

Chemistry laboratory crossword puzzle
Across
  1. – A cabinet where glass equipment like beakers and test tubes are kept.
  2. – A machine that gives electricity to lab equipment.
  3. – A long table in the lab where experiments are done.
  4. – A big table in the middle of the lab where students or scientists work.
  5. – The surface of a table where experiments are done.
  6. – A special station with water to clean your eyes if something dangerous gets in them.
  7. – A small cart with wheels used to carry lab equipment.
  8. – A cabinet where medicines and important lab chemicals are stored.
  9. – A chair used in the lab, often for sitting at a desk.
  10. – A machine that removes dangerous gases from the lab air.
Down
  1. – A shower used to wash off dangerous chemicals from the body.
  2. – A special cabinet for storing acids safely.
  3. – A cabinet for storing liquids that can dissolve other substances.
  4. – A desk in the lab used for writing or small tasks.
  5. – A sink in the lab for washing hands, equipment, and chemicals.
  6. – A special cabinet that removes dangerous gases and smells from experiments.
  7. – A tap that gives water in the lab.
  8. – Places where lab equipment and chemicals are kept safely.
  9. – A tall seat used for working at a lab bench.
  10. – A machine that moves air around to keep the lab fresh.

20 Clues: – A tap that gives water in the lab. • – A special cabinet for storing acids safely. • – A tall seat used for working at a lab bench. • – A machine that gives electricity to lab equipment. • – A desk in the lab used for writing or small tasks. • – The surface of a table where experiments are done. • – A long table in the lab where experiments are done. • ...

Chemistry Vocab 2024-11-27

Chemistry Vocab crossword puzzle
Across
  1. The smallest units of chemical elements.
  2. Groups of atoms bonded together.
  3. A group of atoms responsible for a compound's properties.
  4. Small localized objects like atoms and molecules.
  5. Neutral subatomic particles in an atom's nucleus.
  6. Equipment used to produce a single open gas flame.
  7. Enclosed workstations designed to ventilate toxic fumes.
  8. Positively charged subatomic particles.
  9. A substance that increases hydrogen ion concentration.
  10. Pure substances consisting of only one type of atom.
  11. A material burned to produce energy.
  12. Characteristics of a substance.
  13. A strong acidic compound often used in labs.
  14. Tools used to grind and mix substances.
  15. Form of energy related to the movement of particles.
  16. A substance that reduces hydrogen ion concentration.
  17. A metal that readily reacts with other substances.
  18. Process that transforms one set of substances into another.
  19. The lightest and most abundant chemical element.
Down
  1. Devices for measuring liquid volumes precisely.
  2. Substances composed of two or more elements chemically bonded.
  3. Hydrocarbons with at least one double bond.
  4. Combinations of two or more substances not chemically bonded.
  5. Instruments used to measure temperature.
  6. Material composed of antiparticles of normal matter.
  7. A set used to build molecular structures.
  8. A chemical compound found in rocks and shells.
  9. Containers with narrow necks used to hold and heat liquids.
  10. A compound formed by the reaction of an acid and a base.
  11. Negatively charged subatomic particles.
  12. Apparatus used to hold or support laboratory equipment.
  13. A squeeze bottle used to rinse laboratory glassware.
  14. Shallow cylindrical lidded dishes used to culture cells.
  15. Scale used to specify acidity or basicity of a solution.
  16. Anything that occupies space and has mass.
  17. Relating to compounds containing carbon.
  18. Cylindrical containers used for mixing and heating liquids.
  19. A tool for guiding liquids or powders into containers.
  20. A device for holding objects tightly together.
  21. The capacity to do work or cause change.
  22. An atom or molecule with a net electric charge.
  23. Hydrocarbons with single bonds only.
  24. Chemical reaction that involves burning.

43 Clues: Characteristics of a substance. • Groups of atoms bonded together. • A material burned to produce energy. • Hydrocarbons with single bonds only. • Positively charged subatomic particles. • Negatively charged subatomic particles. • Tools used to grind and mix substances. • The smallest units of chemical elements. • Instruments used to measure temperature. • ...

Environmental Chemistry 2024-12-04

Environmental Chemistry crossword puzzle
Across
  1. nutrients needed in large amounts by an organisms
  2. the "Potential of Hydrogen" or the scale that rates how acidic a substance is
  3. substance with a bitter taste, turns litmus paper blue, pH of more than 7
  4. inorganic molecules that are used to help enzymes function
  5. Human made pollutant, used as propellants in aerosol cans, persistent pollutant that destroys ozone layer
  6. organic molecule in which energy is stored and includes fats, oil, and waxes
  7. increase in a contaminant's concentration at each level of the food chain
  8. increase in a contaminant's concentration in an individual organism
  9. substances with a pH of 7
  10. a chemical used to kill unwanted plants
  11. organic molecule made up of amino acids and are the building blocks of body tissue, they help repair tissue and build muscle
Down
  1. dense metal or metalloid that can cause environmental concern
  2. organisms that can infer the health of an ecosystem
  3. Prevents UV rays from reaching Earth's surface
  4. a chemical used to kill unwanted pests, example is DDT
  5. organic sugar molecule that provides energy for organisms
  6. a substance used to enrich soil by providing nutrients that are missing (main sources nitrogen & phosphorus)
  7. nutrients needed in small amounts by an organism
  8. any alteration of the environment producing a condition that is harmful to living things
  9. a substance with a sour taste, turns litmus paper red, has a pH value of less than 7
  10. chemical used to kill unwanted insects
  11. elements and compounds that organisms need for living, growing and reproducing
  12. dichlorodiphenyltrichloroethane - used to kill unwanted insects such as lice during WWII, used to kill mosquitoes to stop the spread of malaria

23 Clues: substances with a pH of 7 • chemical used to kill unwanted insects • a chemical used to kill unwanted plants • Prevents UV rays from reaching Earth's surface • nutrients needed in small amounts by an organism • nutrients needed in large amounts by an organisms • organisms that can infer the health of an ecosystem • a chemical used to kill unwanted pests, example is DDT • ...

Nuclear Chemistry 2024-12-05

Nuclear Chemistry crossword puzzle
Across
  1. the beta particle comes from this
  2. when an element changes into another element
  3. particle with a negative charge
  4. a positive beta particle
  5. an isotope that is unhappy
  6. elements of an atom with a different mass
  7. where protons and neutrons can be found
  8. this can be found in an orbital
  9. particle with a mass of 4 amu
  10. a reaction that release energy
  11. anything that has mass and takes up space
Down
  1. a mixture with a uniform mix
  2. a beta positive
  3. this defines the element. The atomic _____
  4. an unstable isotope lets out
  5. weight
  6. Stored energy
  7. Point 100 degrees
  8. the study of matter
  9. The nucleus has a _____ charge
  10. no mass and no charge

21 Clues: weight • Stored energy • a beta positive • Point 100 degrees • the study of matter • no mass and no charge • a positive beta particle • an isotope that is unhappy • a mixture with a uniform mix • an unstable isotope lets out • particle with a mass of 4 amu • The nucleus has a _____ charge • a reaction that release energy • particle with a negative charge • this can be found in an orbital • ...

Nuclear Chemistry 2024-11-15

Nuclear Chemistry crossword puzzle
Across
  1. A nuclear reaction where the fission process rapidly continues without any control, causing a large amount of energy to be released almost instantaneously.
  2. The reaction in which small nuclei are forced together by extreme heat and pressure to form a larger nuclei.
  3. A type of radioactive decay that releases a beta particle.
  4. The radioactive material that falls to Earth after a nuclear explosion.
  5. A nuclear reaction where the rate of fission is carefully managed, allowing for a sustained release of energy at a controlled level.
  6. The type of radioactive decay that releases energy from an excited nucleus in order to change its energy state.
  7. The spontaneous nuclear transformation of an atom.
  8. The most common fuel used in nuclear reactors.
  9. The emission of particles or electromagnetic waves from an unstable nucleus.
  10. A device used to detect radiation by measuring the ionization it produces in a gas.
  11. The type of radioactive decay that changes a neutron into a proton and releases an electron and increases the atomic number of the atom by one.
Down
  1. A fundamental particle of electromagnetic radiation and light.
  2. The SI unit for radiation.
  3. The product of a reaction is used to start another reaction.
  4. The reaction where a large unstable nucleus is struck by a neutron and splits into smaller nuclei.
  5. A process in which the structure of an atomic nucleus is altered through release of energy or mass or by being broken apart.
  6. The type of Radioactive decay that changes a proton into a neutron and releases a positron and decreases the atomic number of the atom by one.
  7. An electron or Positron
  8. A type of radioactive decay that releases an Alpha particle.
  9. A device used to initiate and control a fission nuclear chain reaction.
  10. The use of sustained nuclear fission to generate light and heat.
  11. A particle that is released during radioactive decay that consists of two protons and two neutrons (Helium Nucleus)
  12. A high-energy photon
  13. a byproduct of nuclear reactors, fuel processing plants, hospitals, and research facilities.
  14. The site of the worst nuclear disaster in history.

25 Clues: A high-energy photon • An electron or Positron • The SI unit for radiation. • The most common fuel used in nuclear reactors. • The spontaneous nuclear transformation of an atom. • The site of the worst nuclear disaster in history. • A type of radioactive decay that releases a beta particle. • The product of a reaction is used to start another reaction. • ...

Chemistry Basics 2024-11-22

Chemistry Basics crossword puzzle
Across
  1. change that doesn't create any new chemicals
  2. the atom with electron configuration 2,6
  3. has no charge
  4. this atom has 7 protons
  5. change that creates new chemicals
  6. the materials produced by a chemical reaction
  7. the rule that determines how many electrons fill the outermost shell of an atom
  8. negative part of the atom
  9. this atom has an atomic mass of 7
  10. atoms found on the right of the periodic table
  11. metals ______ electrons
  12. centre of the atom
Down
  1. the number that tells how many protons and neutrons are in the nucleus
  2. name for electrons found in the outermost shell
  3. an atom that has an overall charge
  4. has atomic number 79
  5. nonmetals _______ electrons
  6. a vertical column on the periodic table
  7. name for a negative ion
  8. makes up all matter
  9. the number that tells how many protons an atom has
  10. positive subatomic particle
  11. a row on the periodic table
  12. name for a positive ion
  13. number of electrons that fit in the first shell
  14. the materials used up in a chemical reaction
  15. number of electrons that fit in the second electron shell
  16. types of atoms found on the left of the periodic table

28 Clues: has no charge • centre of the atom • makes up all matter • has atomic number 79 • name for a negative ion • this atom has 7 protons • name for a positive ion • metals ______ electrons • negative part of the atom • nonmetals _______ electrons • positive subatomic particle • a row on the periodic table • change that creates new chemicals • this atom has an atomic mass of 7 • ...

Chemistry Crossword 2024-12-20

Chemistry Crossword crossword puzzle
Across
  1. change where atoms are rearranged to form new substances
  2. name of group 18 elements with full valence shells
  3. attraction an element has for electrons
  4. have no charge, located in the nucleus
  5. covalent bond with an equal sharing of electrons
  6. type of decay that emits a particle with the largest mass
  7. nuclear energy produced when One larger nuclei splits into 2 smalle
  8. Compound made when a metal transfers electrons to a nonmetal
  9. when bonds are ________, energy is absorbed
  10. Charge of a metal ion
  11. 2 atoms with the same number of protons, but different number of neutrons
  12. covalent bond with an unequal sharing of electrons
Down
  1. amount of time it takes for half a radioisotope to decay
  2. electrons in the outer shell of an atom
  3. nuclear energy produced when 2 smaller nuclei combine to make a bigger one
  4. Compound made when two Nonmetals share electrons
  5. Charge of a nonmetal ion
  6. state when one electron jumps from an inner to an outer shell
  7. atomic number is the number of _________ in an atom
  8. protons + neutrons
  9. when an atom gains or loses electrons it forms a _____
  10. two or more atoms chemically combined in a fixed proportion

22 Clues: protons + neutrons • Charge of a metal ion • Charge of a nonmetal ion • have no charge, located in the nucleus • electrons in the outer shell of an atom • attraction an element has for electrons • when bonds are ________, energy is absorbed • Compound made when two Nonmetals share electrons • covalent bond with an equal sharing of electrons • ...

general chemistry 2025-03-05

general chemistry crossword puzzle
Across
  1. solids has discrete covalently bonded molecules at each of its latrice points.
  2. exist between polar molecules.
  3. have a boiling point of 78.3"C and a molar heat vaporization of 39.3 KJ/mol.
  4. dipole exist between an ion and a polar molecule
  5. is three dimensional system of points designating the positions of the components that makes up crystal
  6. is the most common technique used to separate mixtures into pure components.
  7. have a molar heat vaporization of 26 KJ/mol
  8. the resistance of a liquid to flow.
  9. has definite shape
  10. energy dependent on the temperature of the substance
  11. property of a liquid to resist an external force.
  12. SOLIDS: have a highly regular arrangement of particles
  13. solids have ions at different points of the latrice
  14. have a boiling point of 100°C
  15. polar molecules have zero dipole moment
  16. have a more defined hexagonal arrangement than water.
  17. molecular model explains the properties of solids and liquids in terms of the intermolecular forces of attraction and the kinetic energy of the individual particles
Down
  1. exist only in molecules that contains hydrogen atom bonded to a small, highly electronegative atom.
  2. have a molar heat vaporization of 9.2KJ/mol.
  3. point is the temperature at which its vapor pressure is equal to the external or atmospheric pressure
  4. Boiling Point the temperature at which a liquid boils under an atmospheric pressure of 760mm Hg
  5. solids have considerable disorder in their structure
  6. molecule has a bent shape vith two partially positive hydrogen atoms and a partially negative oxygen atom
  7. have definite shape but no definite volume
  8. means that the phase change from phase A and Phase B occurs at the same rate as the phase change from phase B to phase A.
  9. molecules each of them has unequal electron densities
  10. Force attractive forces between neighboring particles
  11. pressure the pressure exerted by its vapor when in equilibrium with its liquid
  12. dipole also called temporary dipole,
  13. have a boiling point of--186. O°C.

30 Clues: has definite shape • have a boiling point of 100°C • exist between polar molecules. • have a boiling point of--186. O°C. • the resistance of a liquid to flow. • dipole also called temporary dipole, • polar molecules have zero dipole moment • have definite shape but no definite volume • have a molar heat vaporization of 26 KJ/mol • have a molar heat vaporization of 9.2KJ/mol. • ...

Chemistry Vocabulary 2025-03-06

Chemistry Vocabulary crossword puzzle
Across
  1. Point, the temperature a liquid changes to a solid
  2. a reaction that causes electrons to be lost (rusting)
  3. the vaporization that occurs at the surface of a liquid
  4. the change in state of matter from a liquid to a gas
  5. Point, the temperature that boiling occurs
  6. what is created from a chemical reaction
  7. the substance that does the dissolving in a solution
  8. changing from a ga to a solid without becoming a liquid
  9. the most basic particle of an element
  10. a reaction that absorbs energy or heat
  11. changing from a solid to a gas without becoming a liquid
  12. a pure substance that can't be broken down into simple substances
Down
  1. a reaction that releases energy or heat
  2. a mixture of two or more substances that are evenly dispersed
  3. the substance that dissolves in a solution
  4. the substances that are combined in a chemical reaction
  5. when gas changes to a liquid
  6. well molecules stick together (tension)
  7. Point, the temperature that a solid changes into a liquid
  8. a substance that is made of two or more elements
  9. two or more substances that are together in the same place
  10. Change, a change in physical properties (ie: shape, size, color, etc.)
  11. Change, a new substance is formed in a chemical reaction

23 Clues: when gas changes to a liquid • the most basic particle of an element • a reaction that absorbs energy or heat • a reaction that releases energy or heat • well molecules stick together (tension) • what is created from a chemical reaction • the substance that dissolves in a solution • Point, the temperature that boiling occurs • ...

Chemistry Review 2025-02-22

Chemistry Review crossword puzzle
Across
  1. A group of elements missing an electron in their outermost shell
  2. The name for having more or fewer electrons than protons
  3. Another name for an energy level
  4. A substance that increases the rate of a chemical reaction
  5. A solution in which the solvent is water
  6. A positively charged ion
  7. The ‘inventor’ of the modern Periodic Table
  8. The location of electrons
  9. a pattern of gradual change
  10. the rule describing the tendency of atoms to react in order to obtain a full outer shell
  11. A positively charged sub-atomic particle
  12. A column of elements in the periodic table
  13. Protons + Neutrons
  14. A neutral compound consisting of anions and cations
  15. A substance in which two or more elements are bonded together
  16. An element with a full valence shell of electrons
  17. The number of protons in the nucleus of an atom
  18. The relationship between the mass of a substance and the space it takes up
Down
  1. The bond formed between two non-metals
  2. A group of atoms bonded together
  3. Any element in the d-block (groups 3 – 12) of the periodic table
  4. An element in Group 1 of the Periodic Table
  5. An atom with a specific number of protons
  6. electrons involved in chemical bond formation
  7. A bond in which electrons are shared
  8. When elements/compounds exist together but without chemical bonds
  9. A negatively charged sub-atomic particle
  10. A sub-atomic particle with no charge
  11. The horizontal rows of the Periodic Table
  12. The bond formed between a metal and a non-metal in which electrons are transferred
  13. The arrangement of the nucleus and electrons
  14. An atom which has gained or lost an electron
  15. A negatively charged ion

33 Clues: Protons + Neutrons • A positively charged ion • A negatively charged ion • The location of electrons • a pattern of gradual change • A group of atoms bonded together • Another name for an energy level • A bond in which electrons are shared • A sub-atomic particle with no charge • The bond formed between two non-metals • A solution in which the solvent is water • ...

chemistry crossword 2025-02-23

chemistry crossword crossword puzzle
Across
  1. a element with the atomic number 'ZN'
  2. group of atoms joined by covalent bonds
  3. neutral particle in the nucleus in an atom
  4. an element with the atomic symbol 'RN'
  5. an element with the atomic symbol of 'H'
  6. an element with the atomic symbol 'B'
  7. the group in the periodic table between metals and non metals
  8. positively charged particle in an atom
  9. mass of one element calculated from the total number of protons
  10. horizontal row of elements on periodic table
  11. atom that has become electrically charged because it lost or gained electrons
  12. the centre of an atom
  13. pure substance that can not be broken down and made up of only one atom
  14. makes up all living things that occupy space
  15. an element with the atomic symbol 'AU'
Down
  1. combination of pure substances
  2. the most reactive non metals on the periodic table
  3. negatively charged atom that goes around the nucleus
  4. slow chemical change that occurs when oxygen reacts with metal
  5. chemical reaction that absorbs energy
  6. a table where all the elements are organized
  7. chemical reaction where oxygen reacts with a substance to from new substance and give off energy
  8. a material that electrical charge can pass through easily
  9. the smallest part of an element that makes up all living things
  10. a vertical column of elements on the periodic table
  11. shiny, malleable, ductile elements that conduct electricity

26 Clues: the centre of an atom • combination of pure substances • a element with the atomic number 'ZN' • chemical reaction that absorbs energy • an element with the atomic symbol 'B' • an element with the atomic symbol 'RN' • positively charged particle in an atom • an element with the atomic symbol 'AU' • group of atoms joined by covalent bonds • ...

Chemistry Review 2025-02-24

Chemistry Review crossword puzzle
Across
  1. (*6th space should be a blank) the ratio of grams to moles for a specific substance
  2. breaking a reactant into smaller products
  3. element that will almost bond to itself to form a pair (ex: Oxygen
  4. reaction which has O2 as a reactant and CO2+H2O as products
  5. type of element likely to lose electrons
  6. an atom with a charge
  7. shape formed when a molecule has 2 bonds and some unshared electrons on the central atom
  8. putting together reactants to form a single product
  9. a covalent bond in which the bonded atoms have an electronegativity difference less than 0.4
  10. the set of rules that dictate the 3 dimensional shape of molecules
  11. substance held together by an ionic bond
  12. a written chemical equation in which atoms of each are present on each side in equal quantities
Down
  1. a covalent bond in which the bonded atoms have an electronegativity difference greater than 0.4 but less than 2.0
  2. an atom's desire for more electrons
  3. a specific number of atoms selected by Avogadro to be used as a standard for counting
  4. substance formed by bonding two different elements
  5. bond in which electrons are transferred
  6. (*5th space should be a blank) distance between nuclei of two bonded atoms
  7. (*8th space should be a blank) quantity describing the difficulty of breaking a molecule apart
  8. shape formed when a molecule has 2 bonds and no unshared electrons on the central atom
  9. shape formed when a molecule has 4 bonds and no unshared electrons on the central atom
  10. type of element likely to gain electrons
  11. bond in which electrons are shared

23 Clues: an atom with a charge • bond in which electrons are shared • an atom's desire for more electrons • bond in which electrons are transferred • type of element likely to lose electrons • type of element likely to gain electrons • substance held together by an ionic bond • breaking a reactant into smaller products • substance formed by bonding two different elements • ...

organic chemistry 2025-03-04

organic chemistry crossword puzzle
Across
  1. main constituent of natural gas
  2. a reaction needs UV light
  3. CnH2n+1COOH
  4. a reaction in which a H in an alkane is replaced by a Cl atom
  5. CnH2n+2
  6. a familiy of similar compounds with same general formula and functional group
  7. the molecules used to make natural polymer with amide link
  8. natural polymer with amide link
Down
  1. type of polymerisation using alkenes
  2. molecules contain C and H only
  3. the property of how easily a liquid evaporates
  4. a reaction has only one product formed
  5. type of polymerisation to make PET and nylon
  6. small molecules used to make polymers
  7. the process to make ethanol from glucose
  8. 可生物降解的
  9. CnH2n+1OH
  10. CnH2n
  11. molecules with same moleular formula, but different structural formulae
  12. the name of process to separate pertroleum
  13. a reaction has a larger molecule and a small molecule(H2O) formed

21 Clues: CnH2n • 可生物降解的 • CnH2n+2 • CnH2n+1OH • CnH2n+1COOH • a reaction needs UV light • molecules contain C and H only • main constituent of natural gas • natural polymer with amide link • type of polymerisation using alkenes • small molecules used to make polymers • a reaction has only one product formed • the process to make ethanol from glucose • the name of process to separate pertroleum • ...

Construction Chemistry 2025-01-26

Construction Chemistry crossword puzzle
Across
  1. Бетоны үндсэн хэсэг бөгөөд маш жижиг хэсгүүдтэй байгалийн материал
  2. Барилгын материалд өргөн хэрэглэгддэг шохой ба шаврын холимог
  3. Шохой нь ямар элементийн нэгдлүүдээс бүрддэг вэ?
  4. Материал гадаад хүчний нөлөөнд хэлбэрээ өөрчилж буцаах чадварыг юу гэдэг вэ?
  5. Бетоны химийн урвалын дараах эзэлхүүний багасалт
  6. Цементийн чулуунцарт агуулагддаг үндсэн 4-н эрдсийн нэг
  7. Цементийн химийн урвалыг эхлүүлэхэд зайлшгүй шаардлагатай шингэн
  8. Бетоны бат бэхийг нэмэгдүүлэхэд ашигладаг ган төмөр
  9. Кальцийн нэгдлүүдээс бүрдэх барилгын болон үйлдвэрлэлийн материал
  10. Барилгын материалын масс ба эзэлхүүний харьцаа
  11. Шаврыг өндөр температурт шатааж гарган авдаг, дулаалга хийх дуу чимээ тусгаарлахад давуу талтай материал
Down
  1. Дунджаар 5-20 мм ширхэглэл бүхий хольцыг шатаасны дараа үүсэх биет
  2. Элс, хайрга, ус, цементээс бүрдэх барилгын үндсэн материал
  3. Цемент, ус хоёрын урвалаар үүсэх химийн процесс
  4. Барилгын хавтан, тоосго хийхэд ашигладаг өндөр температурт боловсруулсан материал
  5. Арматур зэврэхэд нөлөөлдөг химийн нэгдэл
  6. Цемент үйлдвэрлэхийн тулд түүхий эдийг өндөр температурт .... хэрэгтэй.
  7. Цементийн барьцалдах хугацааг тохируулахын тулд нэмдэг эрдэс
  8. Элс, ус, цементээс бүрдэх барилгын материал
  9. Бетонд дүүргэгч болгон ашигладаг байгалийн чулуу

20 Clues: Арматур зэврэхэд нөлөөлдөг химийн нэгдэл • Элс, ус, цементээс бүрдэх барилгын материал • Барилгын материалын масс ба эзэлхүүний харьцаа • Цемент, ус хоёрын урвалаар үүсэх химийн процесс • Шохой нь ямар элементийн нэгдлүүдээс бүрддэг вэ? • Бетоны химийн урвалын дараах эзэлхүүний багасалт • Бетонд дүүргэгч болгон ашигладаг байгалийн чулуу • ...

Chemistry Vocabulary 2025-01-21

Chemistry Vocabulary crossword puzzle
Across
  1. A substance that speeds up a chemical reaction by lowering the activation energy without being consumed in the process.
  2. A symbolic representation of a chemical reaction, showing the reactants and products with their quantities.
  3. The solid part of Earth, including rocks, soil, and fossil fuels.
  4. A weak bond formed between the slightly positive hydrogen atom of one molecule and the slightly negative atom (like oxygen) of another molecule.
  5. A principle stating that energy cannot be created or destroyed; it can only be transferred or transformed.
  6. The part of Earth where life exists, including all living organisms.
  7. A process in which reactants are transformed into products by breaking and forming chemical bonds.
  8. A chemical reaction that absorbs energy, often resulting in a cooling effect. Example Photosynthesis.
  9. The layer of gases surrounding Earth, including nitrogen, oxygen, and carbon dioxide.
  10. The starting substances in a chemical reaction that undergo a change to form products.
Down
  1. The minimum energy required to start a chemical reaction.
  2. The movement of carbon through Earth’s four spheres (atmosphere, biosphere, hydrosphere, geosphere) via processes like photosynthesis, respiration, and combustion.
  3. A chemical reaction that releases energy, usually as heat or light. Example Combustion.
  4. A principle stating that mass cannot be created or destroyed in a chemical reaction; the mass of the reactants equals the mass of the products.
  5. A force that holds atoms together in a molecule. Types include covalent, ionic, metallic, and hydrogen bonds.
  6. All of Earth’s water, including oceans, lakes, rivers, and groundwater.
  7. A molecule with an uneven distribution of charge, creating a positive side and a negative side. Water is a polar molecule.
  8. A group of two or more atoms chemically bonded together. Molecules can consist of the same type of atom (e.g., O₂) or different types (e.g., H₂O).
  9. The smallest unit of an element that retains its chemical properties. Atoms consist of a nucleus made of protons and neutrons, surrounded by electrons.
  10. The substances formed as a result of a chemical reaction.

20 Clues: The minimum energy required to start a chemical reaction. • The substances formed as a result of a chemical reaction. • The solid part of Earth, including rocks, soil, and fossil fuels. • The part of Earth where life exists, including all living organisms. • All of Earth’s water, including oceans, lakes, rivers, and groundwater. • ...

Chemistry Terms 2024-12-16

Chemistry Terms crossword puzzle
Across
  1. neutrally charged subatomic particle
  2. horizontal category on the periodic table
  3. elements in group 2
  4. elements in group 18
  5. element with the symbol Mg
  6. elements that are between metals and nonmetals
  7. verticle category on the periodic table
  8. elements in groups 3-12
  9. a substance with a definite shape and volume
  10. basic unit of a chemical element
Down
  1. negatively charged subatomic particle
  2. The symbol for this element is Ag
  3. element with the symbol K
  4. bond between two nonmetals in which electrons are shared
  5. positively charged subatomic particle
  6. The symbol for this element is Au
  7. elements in group 17
  8. elements in group 1
  9. the outermost electron in an atom
  10. bond between a metal and a nonmetal in which electrons are transferred

20 Clues: elements in group 2 • elements in group 1 • elements in group 17 • elements in group 18 • elements in groups 3-12 • element with the symbol K • element with the symbol Mg • basic unit of a chemical element • The symbol for this element is Ag • The symbol for this element is Au • the outermost electron in an atom • neutrally charged subatomic particle • ...

Advanced Chemistry 2025-03-13

Advanced Chemistry crossword puzzle
Across
  1. - organic compounds that consist of single-bonded carbon and hydrogen atoms.
  2. - the tendency of an atom to attract electron/s toward itself
  3. - formed between two or more atoms of same elements
  4. - subatomic particles found inside the nucleus of every atom
  5. - requires that electrons must occupy singly firs before pairing occurs
  6. - any class of organic compounds in which a carbon atom is bonded to an oxygen atom by a double bond and to a hydroxyl group -OH by a single bond
  7. - are formed by the sidewise positive (same phase) overlap of atomic orbitals along a direction perpendicular
  8. - an atom is most stable when there are eight electrons in its valence shell
  9. - it is also known as olefins
  10. - set of numbers use to locate and describe the most probable location (main energy level, sublevel, and orbital) and spin of an electron of an atom
  11. - the attraction usually forms between a metal and non-metal
  12. - region at the center of the atom
  13. - are forces that holds atom together to make compounds or molecules
  14. - the smallest unit/particle of an element that takes part in a chemical reaction
  15. - the class of hydrocarbons having a ring-like structure
  16. - formed between two or more atoms of different elements
  17. - compounds in which an oxygen atom is bonded to a carbon atom, which is itself bonded to two or more carbon atoms.
  18. - a flammable, colorless, and odorless gas with the chemical formula C3H8
  19. - a volume of space within an atom where electrons are most lively to be found
  20. - it's an international organization that sets standards for chemistry, including nomenclature, measurement, and atomic weights
  21. - it states that hydrogen and helium may have no more than two electrons in their valence shell
  22. - are class of organic compounds that contains an ether group- an oxygen atom connected to two alkyl or aryl groups
Down
  1. - a hydrocarbon that is a primary component of natural gas.
  2. - comprised of carbon and hydrogen atoms and is the derivative of alkanes
  3. - any organic compound in which the hydroxyl fuctional group (-OH) is bound to a saturated carbon atom
  4. - this type of covalent bond formed a by head on positive (same phase) overlap of atomic orbitals along the internuclear axis
  5. - orbit where electrons spin around the nucleus of an atom
  6. - a class of chemical bonds where valence electrons are shared between atoms
  7. - are electrons occupying the outermost energy level of an atom
  8. - an organic compound consisting of hydrogen and carbon
  9. - generally compounds that include carbon atoms, and typically hydrogen-carbon bonds.
  10. - a colorless, flammable, and volatile organic compound that's made up of six carbon atoms and 14 hydrogen atoms
  11. - a naturally abundant, nonmetallic element that occurs in all organic compounds and can be found in all known forms of life
  12. - it is also known as Alkanal
  13. - a subatomic particle with a positive electrical charge
  14. - is the bonding of atoms of the same element into a series called chain
  15. - a subatomic particle with a negative electrical charge
  16. - are the atoms of the same element that have different masses
  17. - shows molecules using the element symbol to represent the nucleus and core electrons of each atom, lines to represent electron pairs and dot for unbonded electrons
  18. - is chemical compound derived from an acid in which at least one -OH hydroxyl group is replaced by an -O-alkyl group

40 Clues: - it is also known as olefins • - it is also known as Alkanal • - region at the center of the atom • - formed between two or more atoms of same elements • - an organic compound consisting of hydrogen and carbon • - a subatomic particle with a positive electrical charge • - a subatomic particle with a negative electrical charge • ...

Chemistry Crossword 2025-04-15

Chemistry Crossword crossword puzzle
Across
  1. Mixture in which one substance is evenly mixed with another substance
  2. a substance containing only one type of atom;it cannot be broken down into another substance, in a chemical reaction
  3. an insoluble chemical produced during a chemical reaction
  4. Use of chemical to make the particles in a suspension clump together
  5. Suspension of two liquids
  6. Substance in which solute dissolves
  7. suspension in which the particles are permanently suspended
  8. A substance that can be dissolved in a solvent to make a solution
  9. Is a material formed by chemically bonding two or more chemical elements
  10. Neither acidic or basic
  11. A reaction with acid that gives water as well as salt
  12. Solution form when a solute dissolves in a solvent
Down
  1. Two or more substances that have been mixed together but not chemically combined
  2. A charge atoms or group of atoms formed by the gain or loss of one or more electrons
  3. Able to dissolve
  4. Smallest part of a substance that has all the properties of the substance matter
  5. Term for a weak solution
  6. A measure of how fast or slow something is
  7. Material that blocks light
  8. Substance that react with metals to release hydrogen
  9. Substance formed when metals react with water
  10. Term for a strong solution
  11. Metals that have the physical property of being softer than most metals, light than most metals (low density), and low melting points
  12. cloudy mixture of two or more substances that settle on standing
  13. Go into solution
  14. Negative ion is made up of one atom of hydrogen and one atom of oxygen
  15. Paper that can be used to identify an acid or base
  16. Not able to dissolve
  17. Chemical formula NaCL
  18. elements are made up atoms, which contains protons, neutrons, and electrons
  19. Substance that changes color in acids and bases

31 Clues: Able to dissolve • Go into solution • Not able to dissolve • Chemical formula NaCL • Neither acidic or basic • Term for a weak solution • Suspension of two liquids • Material that blocks light • Term for a strong solution • Substance in which solute dissolves • A measure of how fast or slow something is • Substance formed when metals react with water • ...

CHEMISTRY CROSSWORD 2025-04-27

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. A particle with a charge of 1- and almost no mass, in an atom
  2. A regular arrangement of particles
  3. A metal oxide or hydroxide; a base will neutralize an acid to form a salt and water
  4. Has a pH less than 7; an acidic solution contains H+ ions
  5. Indicator paper that changes color to show if a solution is acidic or alkalin
  6. Electron configuration: How electrons in an atom are arranged in electron shells; it is shown for example as 2,8,3
  7. The physical change in which a gas turns into a liquid on cooling
  8. The liquid in which a solute is dissolved, to make a solution
  9. Elements are made up of atoms, which contain protons, neutrons, and electrons
  10. The amount of solute that will dissolve in 100 grams of solvent, at a given temperature
  11. destroy the structure of an enzyme by heat, or change in p
  12. Takes in energy from the surroundings
  13. A particle with a charge of 1+ and a mass of 1 unit, found in the nucleus of an atom
  14. A byproduct of anaerobic respiration in muscles
  15. The process in which crystals form, as a saturated solution cools
Down
  1. Shows the elements in order of increasing proton number; similar elements are in columns called groups
  2. A strong acid, meaning it completely dissociates in water
  3. : A particle with no charge and a mass of 1 unit, found in the nucleus of an atom
  4. Gives out energy
  5. A soluble base; for example sodium hydroxide
  6. The temperature at which a substance boil
  7. The temperature at which a solid substance melt
  8. Test to identify metal cation from the colours shown when their compounds are heated in a Bunsen flame
  9. A unit of two or more atoms held together by covalent bonds
  10. A chemical that shows by its colour whether a substance is acidic or alkaline
  11. A mixture obtained when a solute is dissolved in a solvent
  12. The bond formed between ions of opposite charge
  13. Contains two or more substances that are not chemically combined
  14. A compound made of atoms joined by covalent bonds
  15. A weak organic acid, naturally found in citrus fruits

30 Clues: Gives out energy • A regular arrangement of particles • Takes in energy from the surroundings • The temperature at which a substance boil • A soluble base; for example sodium hydroxide • The temperature at which a solid substance melt • The bond formed between ions of opposite charge • A byproduct of anaerobic respiration in muscles • ...

Chemistry Vocabualry 2025-04-28

Chemistry Vocabualry crossword puzzle
Across
  1. anything that occupies space and has mass.
  2. a group of atoms held together by covalent bonds.
  3. consist of atoms of two or more elements that are joined to chemical bonds.
  4. a substance that cannot be broken down chemically into simpler kinds of matter.
  5. having a regular, repeating pattern.
  6. substance that is doing the dissolving.
  7. elements that are dull (not shiny) and that are poor conductors of thermal energy and electric current.
  8. the ability of one substance to dissolve another.
  9. an atom with an electrical charge (+ or -).
  10. a mixture that appears to be a single substance but is composed of particles of two or more substances that are distributed evenly amongst each other.
Down
  1. elements that are shiny and are good conductors of thermal energy and electric current.
  2. each vertical row of elements on a periodic table.
  3. two or more substances mixed together whose composition is not fixed.
  4. the part of an atom that has no electrical charge.
  5. each horizontal row of elements on a periodic table.
  6. substance that is being dissolved
  7. the fundamental unit of matter that contains a nucleus, protons, neutrons, and electrons.
  8. atoms of the same element that differ in the number of neutrons they contain.
  9. the part of an atom that has a positive electrical charge.
  10. the part of an atom that has a negative electrical charge.
  11. semiconductors that are elements that have properties of both metals and nonmetals.

21 Clues: substance that is being dissolved • having a regular, repeating pattern. • substance that is doing the dissolving. • anything that occupies space and has mass. • an atom with an electrical charge (+ or -). • a group of atoms held together by covalent bonds. • the ability of one substance to dissolve another. • each vertical row of elements on a periodic table. • ...

Chemistry vocab 2025-04-25

Chemistry vocab crossword puzzle
Across
  1. attraction between atoms
  2. smallet unit
  3. study of matter
  4. type of measurement
  5. unit of measurement
  6. cant be broken
  7. 3 dimensional space
  8. solid liquid gas
  9. 2 Atoms connected by chemicals
  10. changing substance chemical
  11. substance changes
  12. substance converted to different
  13. increase over time
Down
  1. physical process
  2. help chemical reaction
  3. Everything that takes up space
  4. elements bond together
  5. 2 or more substance
  6. helps do work
  7. form of energy
  8. interacts with substance
  9. chemical reaction
  10. act state or process
  11. starting substance

24 Clues: smallet unit • helps do work • cant be broken • form of energy • study of matter • physical process • solid liquid gas • chemical reaction • substance changes • starting substance • increase over time • type of measurement • 2 or more substance • unit of measurement • 3 dimensional space • act state or process • help chemical reaction • elements bond together • attraction between atoms • ...

Chemistry crossword 2025-04-26

Chemistry crossword crossword puzzle
Across
  1. A regular arrangement of particles
  2. Bond formed between ions of opposite charge
  3. The particles with a charge of 1 – and almost no mass in an atom
  4. Molecules containing 2 atoms joined by a covalent bond
  5. Not part of the desired chemical composition
  6. Another name for positive ion
  7. A unit of two or more atoms held in together covalent bonds
  8. A column of the Periodic Table containing element with similar properties
  9. Process in which particles mix by colliding randomly with each other and bouncing off
  10. React with substances it comes into contact with
  11. Can be bend or hammered into a shape
  12. Can easily be drawn out into a wire
  13. A substance in which two or more elements are chemically combined
  14. Measure of how fast or slow something is
  15. Halogens reacting with metals to form compounds
Down
  1. A physical change from a solid to liquid
  2. Tells you how much of one substance is dissolved in another substance
  3. Another name for negative ion
  4. Soluble bases; Hydroxides
  5. Atoms of the same element, that have a different numbers of neutron
  6. The center part of an atom, made up of protons and neutrons
  7. A compound formed between oxygen and other element
  8. There is only one substance in it
  9. A chemical made in a chemical reaction
  10. The liquid in which a solute is dissolved to make a solution
  11. A starting chemical for a reaction
  12. A solution of a slightly soluble compound calcium hydroxide
  13. Makes a ringing sound when struck
  14. The mass of a substance per unit volume
  15. A substance containing only one type of atom; it cannot be broken

30 Clues: Soluble bases; Hydroxides • Another name for negative ion • Another name for positive ion • There is only one substance in it • Makes a ringing sound when struck • A regular arrangement of particles • A starting chemical for a reaction • Can easily be drawn out into a wire • Can be bend or hammered into a shape • A chemical made in a chemical reaction • ...

Chemistry crossword 2025-04-14

Chemistry crossword crossword puzzle
Across
  1. go into solution
  2. is a substance containning only one atom
  3. is a starting chemical reaction
  4. contains two or more substances that arenot chemically combined
  5. is the number of protons in the nucleus of an atom
  6. is a chemical made in a chemical reactant
  7. is something without colour
  8. is a measure of the concentration of hydrogen or hydroxyl ions in a solution
  9. is the psychical change in which a gas turns into a liquid in cooling
  10. is a minute portion of matter
  11. is a weak solution
  12. is a substance in which two or more elements are chemically combined
  13. is the bond formed between ions of opposite charge
  14. is a temperature at which a liquid changes to gas
Down
  1. the equipment used for a specific purpose, mainly experiments. ex. laboratory gown, test tube, beaker, etc.
  2. is the idea that for particles to react, they must collide
  3. is a group Vii
  4. is how electrons in an atom are arranged in electron shells
  5. is proteins made by living cells, that act as biological catalyst
  6. is a chemical formula (H2O)
  7. is a molecule contains two atoms joined by a covalent bond
  8. is a charged atom or group of atoms formed by the gain or loss of one or more electrons
  9. is a compound made up of ions, joined by ionic bonds
  10. is tells you how much of one substance is dissolved in another
  11. is where liquid turns into a gas at a temperature below its boiling point, taking place at the surface of the liquid
  12. is how fast a reaction is
  13. increase the rate of a reaction and is unchanged
  14. is a cloudy mixture of two or more substances that settle on standing
  15. elements are made up of atoms, which contain protons, neutrons, and electron
  16. tells how light or heavy a substance is, using mass and volume

30 Clues: is a group Vii • go into solution • is a weak solution • is how fast a reaction is • is a chemical formula (H2O) • is something without colour • is a minute portion of matter • is a starting chemical reaction • is a substance containning only one atom • is a chemical made in a chemical reactant • increase the rate of a reaction and is unchanged • ...

Chemistry Vocabulary 2025-08-29

Chemistry Vocabulary crossword puzzle
Across
  1. Scientist nicknamed "father of the periodic table"
  2. The name of your chemistry teacher
  3. Where the elections of an atom are housed.
  4. Total number of Protons + Total number of Neutrons
  5. Type of bond where atoms share electrons
  6. A negatively charged particle
  7. Electrons in the outer most shell of an atom
  8. Notation of how we are used to writing numbers
  9. An atoms total number of Protons
  10. Scientist who conducted a gold foil experiment with alpha particles
  11. State of matter with no definite shape, but a definite volume.
  12. Two or more elements bonded together.
Down
  1. A substance that can accept a proton
  2. A pure substance that cannot be broken down into a simper substance
  3. Scientist who is responsible for the Atomic Theory
  4. State of matter with not definite shape nor volume.
  5. Type of bond where one atoms loses electrons and another atom gains electrons
  6. A combination of two or more substances.
  7. Anything that has mass and takes up space.
  8. The study of matter
  9. A positively charged particle.
  10. Some of the element symbols are in this language
  11. A particle with no charge.
  12. Two or more atoms joined together.
  13. Notation that allows us to write really large or small numbers in a concise way.
  14. Where the protons and neutrons of an atom are housed
  15. A substance that can donate a proton
  16. The force that holds atoms or ions together.
  17. State of matter with a definite shape and volume.
  18. The smallest unit of matter

30 Clues: The study of matter • A particle with no charge. • The smallest unit of matter • A negatively charged particle • A positively charged particle. • An atoms total number of Protons • The name of your chemistry teacher • Two or more atoms joined together. • A substance that can accept a proton • A substance that can donate a proton • Two or more elements bonded together. • ...

chemistry crossword 2025-08-28

chemistry crossword crossword puzzle
Across
  1. amount of matter in an object
  2. the way a substance reflects light
  3. rusting and tarnishing
  4. amount of space an object occupies
  5. gaseous state that is a liquid/solid
  6. react with water
  7. substance that can be measured/observed
  8. properties change but composition of material doesn't
  9. separates a solid from liquid
  10. contains two or more elements chemically combined
  11. physical blend of two or more components
  12. composition is not uniform throughout
  13. a chemical change
  14. fills its container
  15. the average kinetic energy of particles in a substance
  16. substance present at the start of the reaction
  17. substance produced in the reaction
  18. solid that forms and settles out a liquid measure
  19. substance to be hammered flat and retain shape
  20. matter that has uniform and definite composition
Down
  1. how substance looks and feels
  2. liquid is boiled to produce a vapor condenses to a liquid
  3. composition is uniform throughout
  4. ratio of mass to volume
  5. amount of matter in a sample
  6. simplest form of matter with unique set of properties
  7. takes shape of container
  8. produced matter with different composition than original matter
  9. type of matter in a sample
  10. describe any part of a sample with uniform composition and properties
  11. keeps its shape
  12. ability of substance to undergo a specific chemical change
  13. ability of a substance to be stretched into wire
  14. how the object absorbs and reflects

34 Clues: keeps its shape • react with water • a chemical change • fills its container • rusting and tarnishing • ratio of mass to volume • takes shape of container • type of matter in a sample • amount of matter in a sample • how substance looks and feels • amount of matter in an object • separates a solid from liquid • composition is uniform throughout • the way a substance reflects light • ...

Chemistry Revision 2025-05-29

Chemistry Revision crossword puzzle
Across
  1. Subatomic particle that has a mass of 1 and a positive 1 charge (6)
  2. Snails and electrons both exist in these (6)
  3. Type of radiation that has a mass of 4 (5)
  4. Type of radiation that is an electromagnetic wave (5)
  5. A type of exothermic reaction that you are doing right now (8-11)
  6. The part of an atom that contains most of the mass (7)
  7. The combination of the protons and neutrons (4-6)
  8. Type of radiation that can penetrate through thin aluminium (4)
  9. These substances release hydrogen ions (5)
  10. The type of energy stored in the bonds of molecules (8)
  11. The acid with the formula HNO3 (6)
  12. Subatomic particle that has a mass of 1 and no charge (7)
  13. A atom that has a unusual number of neutrons (7)
  14. How many protons in any element (6-6)
  15. In this type of reaction the products have more energy than the reactants (11)
  16. All reactions will start this these (9)
  17. This type of reaction releases energy from the system to the surroundings (10)
Down
  1. If a solution had a pH of 7 it would be this (7)
  2. A type of atom that emits radiation (12)
  3. The process by which an unstable nucleus changes into a more stable nucleus (7-5)
  4. The acid with the formula HCl (12)
  5. These substances can be hydroxides or oxides (5)
  6. Subatomic particle that has almost no mass and a negative 1 charge (8)
  7. If hydrogen was produced from an acid reaction then this was added to the acid (5)
  8. Acids and carbonates make this gas (6-7)
  9. A radioisotope that has a half-life of 5730 years (6-8)
  10. The acid with the formula H2SO4 (8)
  11. To carbon date a material it had to once be this (5)
  12. The acid that has the formula H2CO3 (8)
  13. A substance made of only one type of atom (7)
  14. This reactions that creates glucose in plants from water and carbon dioxide (14)
  15. All acid reactions will produce this (4)

32 Clues: The acid with the formula HCl (12) • The acid with the formula HNO3 (6) • The acid with the formula H2SO4 (8) • How many protons in any element (6-6) • The acid that has the formula H2CO3 (8) • All reactions will start this these (9) • A type of atom that emits radiation (12) • Acids and carbonates make this gas (6-7) • All acid reactions will produce this (4) • ...

Chemistry ch3 2025-10-08

Chemistry ch3 crossword puzzle
Across
  1. Student of thompson, Used Alpha beam (+) discovered the nucleus and the proton.
  2. used different wavelengths of lightwaves to discover the presence of neutrons & electrons travel Specific distances from the nucleus
  3. the sum of the masses of the protons neutrons and electrons
  4. Law of ____ proportions- When 2 or more combinations of the same elements are possible, they still form Whole number ratios. (the smaller the ratio is the more double bonds there are)
  5. Crookes - invented the cathode ray tube. (the cathode ray tube was a technology used to discover the parts of an atom.)
  6. measurement from crest to trough Controls Color & visibility
  7. the number of protons in the atom
  8. Cathode ray bent when exposed to a negative charge. He discovered the election theorized that must have positive charge holding it together. Plum pudding model
  9. neutral particle in the nucleus
  10. electrons the outer shell electrons that are involved with chemical reactions
  11. he developed a model discovered that electrons can Change orbitals. (He discovered that when energy is put into an atom he would see sparks.
Down
  1. negative particle in or it around the nucleus
  2. presents s as both a wave and a particle.
  3. Matter is made of pieces so tiny they cannot be cut into smaller pieces.
  4. has the same mass as a proton +1amu)
  5. barely have any mass ( .0018 amu)
  6. particles are the particles that make up an atom
  7. cloud the place in the atom where we can expect to find an electron
  8. unit that is = to the mass of 1 proton
  9. how close the crests are or how many Crest per distance
  10. lor more electrons from I atom to the other the atoms are now Charged & stick to each other ion-any charged atom
  11. is the wave length center to crest of trough
  12. positive particle in the nucleus
  13. 4 point atomic theory (17005)
  14. state-lowest energy level that is open/available

25 Clues: 4 point atomic theory (17005) • neutral particle in the nucleus • positive particle in the nucleus • barely have any mass ( .0018 amu) • the number of protons in the atom • has the same mass as a proton +1amu) • unit that is = to the mass of 1 proton • presents s as both a wave and a particle. • is the wave length center to crest of trough • ...

Chemistry #1 2025-07-06

Chemistry #1 crossword puzzle
Across
  1. if an atom has five protons, then the identity of the atom is the element ________
  2. If a hydrogen atom has one neutron, how many "u" does the atom have?
  3. mass is the amount of "______" in an object
  4. In order to find the amount of "u" that an atom has, you _____ up the number of protons and number of electrons
  5. a pure substance that can't be chemically broken into smaller parts
  6. if an atom has three protons, then the identity of the atom is the element ________
  7. In order for an atom to be neutral, it must have an ______ amount of protons and electrons
  8. atoms that have the same amount of protons but different amounts of neutrons
  9. In the ______ foil experiment, particles were shot at a strip of foil
  10. particles that are smaller than an atom are called ___atomic particles
  11. How many neutrons does Oxygen-17 have?
  12. the gold foil experiment showed that most of an atom is composed of ______ space
  13. your sister's name
  14. How many neutrons does Lithium-7 have?
  15. How many neutrons does Carbon-12 have?
  16. if an atom has eleven protons, then the identity of the atom is the element ________
  17. How many neutrons does Oxygen-18 have?
Down
  1. a proton has a charge of ______ one
  2. when it comes to electrical charge, opposites ______
  3. How many protons does an oxygen atom have?
  4. protons and neutrons are found in the _______ of an atom
  5. the identity of an atom is determined by its number of ______
  6. Your birthday is in the month of _______ (I think)
  7. the gold foil experiment showed that most of an atom's _____ is in the nucleus
  8. the smallest unit of an element that can still be identified as that element
  9. In order for a lithium atom to be neutral, it must have _____ electrons
  10. subatomic particles that are NOT found in the nucleus
  11. an electron as a charge of ______ one
  12. Next year, you will be a _______ in high school
  13. Does a neutron have a charge?

30 Clues: your sister's name • Does a neutron have a charge? • a proton has a charge of ______ one • an electron as a charge of ______ one • How many neutrons does Oxygen-17 have? • How many neutrons does Lithium-7 have? • How many neutrons does Carbon-12 have? • How many neutrons does Oxygen-18 have? • How many protons does an oxygen atom have? • ...

Chemistry Vocab 2025-08-29

Chemistry Vocab crossword puzzle
Across
  1. takes the shape of its container (indefinite shape)
  2. Made of 2 or more atoms
  3. an element
  4. Periodic Table of...
  5. Usually observed or measured
  6. takes up space and has mass
  7. can be in any phase
  8. a compund
Down
  1. related to the behaviors of substances
  2. Ratio of objects' mass to volume
  3. Physical blending of 2 or more pure substances
  4. branch of science that deals with the properties, composition, and structure of elements and compounds
  5. made of 2 or more elements
  6. a type of pure matter with a consistent, uniform composition and unique properties
  7. has distinct phases
  8. Amount of 3D space a substance takes up
  9. "Stuff"
  10. can fill any volume (indefinite volume)
  11. glass container used for holding, heating, mixing, and transferring liquids
  12. not compressible (definite volume)
  13. Building Blocks

21 Clues: "Stuff" • a compund • an element • Building Blocks • has distinct phases • can be in any phase • Periodic Table of... • Made of 2 or more atoms • made of 2 or more elements • takes up space and has mass • Usually observed or measured • Ratio of objects' mass to volume • not compressible (definite volume) • related to the behaviors of substances • Amount of 3D space a substance takes up • ...

Chemistry Panel 2025-10-03

Chemistry Panel crossword puzzle
Across
  1. If ALP >>> GGT, ___ disease is likely.
  2. An increase in this enzyme is indicative of renal disease
  3. This is used to measure USG.
  4. It is important to look at how ___ the reference interval is in determining how significant a change is.
  5. ___ is a definition of increased BUN (and possibly creatinine also).
  6. The best indicator for cholestasis
  7. Is an enzyme indicative of cholestasis
  8. This is the process of breaking down glycogen in the liver.
  9. ___ stimulates glucose to be taken up by tissues to use for energy to carry out their normal processes.
Down
  1. A more accurate measurement of glomerular filtration
  2. A ____ consists of a serum chemistry, urinalysis, and complete blood count
  3. ___ azotemia is characterized by elevated BUN and creatinine with variable USG.
  4. This is the synthesis of glucose from amino acids or fats.
  5. ___ azotemia is characterized by increased BUN with normal creatinine and appropriate urine concentration.
  6. A ___ value comes from two standard deviations above and below the mean = 95% of tested animals.
  7. ____ azotemia is characterized by elevated BUN and creatinine with poorly concentrated urine.
  8. Is an enzyme indicative of hepatocyte damage
  9. ___ can be used to further characterize azotemia into pre-renal, renal, and post-renal.
  10. Small elevations in ALP are more significant in this species
  11. If GGT >>> ALT, ____ tract disease is likely.

20 Clues: This is used to measure USG. • The best indicator for cholestasis • If ALP >>> GGT, ___ disease is likely. • Is an enzyme indicative of cholestasis • Is an enzyme indicative of hepatocyte damage • If GGT >>> ALT, ____ tract disease is likely. • A more accurate measurement of glomerular filtration • An increase in this enzyme is indicative of renal disease • ...

Chemistry Molecules 2025-10-15

Chemistry Molecules crossword puzzle
Across
  1. the smallest unit of matter that still has the properties of an element
  2. describes a bond or molecule where electrons are shared unequally, creating partial charges
  3. the ability to do work or cause change, often involved in making or breaking bonds
  4. an atom or group of atoms that has gained or lost electrons and has a charge
  5. a substance formed as a result of a chemical reaction
  6. a measure of how strongly an atom attracts electrons in a bond
  7. a type of bond formed when one atom transfers electrons to another
  8. the arrangement of atoms in a molecule, including bond angles and shape
  9. a type of bond formed when two atoms share electrons
  10. a force that holds atoms together in a molecule or compound
  11. a type of bond found in metals where atoms share a sea of electrons
Down
  1. describes a bond or molecule where electrons are shared equally between atoms
  2. a type of reaction where one element takes the place of another in a compound
  3. a chemical reaction where one compound breaks down into simpler substances
  4. a process where substances change into new substances with different properties
  5. a chemical reaction in which a substance reacts with oxygen and releases energy as heat and light
  6. a chemical reaction where two or more substances combine to form one product
  7. a substance made of two or more different elements chemically combined
  8. a starting material that takes part in a chemical reaction
  9. two or more atoms bonded together that act as a single unit
  10. the number of electrons an atom can share, lose, or gain when bonding
  11. the process by which atoms are joined together to form compounds

22 Clues: a type of bond formed when two atoms share electrons • a substance formed as a result of a chemical reaction • a starting material that takes part in a chemical reaction • two or more atoms bonded together that act as a single unit • a force that holds atoms together in a molecule or compound • a measure of how strongly an atom attracts electrons in a bond • ...

Chemistry vocabulary 2025-09-08

Chemistry vocabulary crossword puzzle
Across
  1. Two or more atoms chemically bonded together; it’s the smallest unit of a compound that still has the compound’s properties.
  2. A substance that reduces hydrogen ion concentration or produces hydroxide ions (OH⁻) in water; proton acceptor; pH greater than 7.
  3. Atoms of the same element (same protons) that have different numbers of neutrons, and thus different masses.
  4. A measure of how acidic or basic a solution is, based on the concentration of hydrogen ions; ranges from 0 (very acidic) to 14 (very basic).
  5. A process where substances (reactants) are transformed into new substances (products) by breaking and forming chemical bonds.
  6. A physical combination of two or more substances that are not chemically bonded and can often be separated (e.g., sand and iron filings).
  7. A pure substance made of only one kind of atom, defined by its number of protons (atomic number).
  8. A neutral subatomic particle in the nucleus that contributes to an atom’s mass and to nuclear stability.
  9. A substance formed when atoms of different elements are chemically bonded in fixed ratios (e.g., H₂O, CO₂).
  10. A substance that speeds up a chemical reaction by lowering the activation energy, without being consumed.
Down
  1. A uniform mixture where one substance (solute) is completely dissolved in another (solvent), such as salt water.
  2. The combining capacity of an atom, determined by the number of electrons it can lose, gain, or share in bonding.
  3. A negatively charged subatomic particle that occupies regions around the nucleus and is key to chemical bonding.
  4. A positively charged subatomic particle in the nucleus; its number determines the element’s identity.
  5. Arranged in recurring patterns; the periodic table organizes elements so that properties repeat at regular intervals with atomic number.
  6. An atom or molecule with a net electrical charge because it has lost or gained electrons.
  7. A connection between atoms in a molecule, formed when they share or transfer electrons.
  8. The capacity to do work or produce change; in chemistry, often involved as heat, light, or stored in chemical bonds.
  9. A substance that increases the concentration of hydrogen ions (H⁺) in water; proton donor; pH less than 7.
  10. The smallest unit of an element that retains that element’s chemical properties; made of a nucleus (protons and neutrons) and electrons.

20 Clues: A connection between atoms in a molecule, formed when they share or transfer electrons. • An atom or molecule with a net electrical charge because it has lost or gained electrons. • A pure substance made of only one kind of atom, defined by its number of protons (atomic number). • ...

Cryptic Chemistry 2025-09-03

Cryptic Chemistry crossword puzzle
Across
  1. A group of elements too reactive to hang out
  2. This reaction is hot stuff
  3. How many protons are in the club?
  4. What you do to a sick chemist?
  5. Moving things along but not getting involved
  6. This gas could make you moan in pain
  7. Lightweight metal spelled different in the US
  8. Perfectly neutral
  9. In a spaced out state
Down
  1. Orderly Desk
  2. Share nicely
  3. Quizzing cylinder
  4. Toil and trouble but no magic here
  5. Don't melt the messenger
  6. Feeling positive
  7. Citric and acetic to name a few
  8. They're essential. SO Am I?
  9. Policeman involved in plumbing
  10. Heavy dogs leash
  11. Disordered Moat

20 Clues: Orderly Desk • Share nicely • Disordered Moat • Feeling positive • Heavy dogs leash • Quizzing cylinder • Perfectly neutral • In a spaced out state • Don't melt the messenger • This reaction is hot stuff • They're essential. SO Am I? • What you do to a sick chemist? • Policeman involved in plumbing • Citric and acetic to name a few • How many protons are in the club? • ...

Basic chemistry 2025-11-07

Basic chemistry crossword puzzle
Across
  1. mixture – non-uniform distribution of particles ex.
  2. elements or compounds; elements important for good health
  3. change -occurs whenever new substances with different
  4. salt, water, magnesium
  5. change – involve changing shape, physical state, size,
  6. ex. Milk has calcium and salt
  7. Compound - contain hydrogen and oxygen; all the sources
  8. – one kind of atom; food processing can strip some foods
  9. substance – is matter in which all the basic units are the same;
  10. – is the study of the makeup, structure, and properties of
  11. Bonds – Is formed when atoms share one or more pairs of
  12. Compound - are made up of minerals your body needs –
Down
  1. – are substances that are put together but not chemically
  2. soup
  3. it causes both atoms to have a charge
  4. and the changes that occur to them.
  5. mixture – uniform distribution of particles throughout
  6. Bonds – Electrons are transferred from one atom to another
  7. Tea or soft drinks
  8. energy in your diet – carbohydrates, fats, proteins
  9. without changing the chemical identity.
  10. and physical properties are formed.
  11. these vital elements – iron, calcium, potassium

23 Clues: soup • Tea or soft drinks • salt, water, magnesium • ex. Milk has calcium and salt • and the changes that occur to them. • and physical properties are formed. • it causes both atoms to have a charge • without changing the chemical identity. • these vital elements – iron, calcium, potassium • mixture – non-uniform distribution of particles ex. • ...

Chemistry crossword 2025-11-24

Chemistry crossword crossword puzzle
Across
  1. Metals make up the ______ of the periodic table.
  2. Are Shiny, brittle, and semi-conductive.
  3. ____-____ are the outermost electrons.
  4. Nonmetals become negative ions, which are called_____.
  5. Metalloids sit on the diagonal ______ between metals and nonmetals in the periodic table.
  6. Are malleable, conductive, ductile, solid, and have luster.
  7. Nonmetal accept(____) electrons.
  8. ____ are the most reactive nonmetals, posses 7 valence electrons, have a charge of -1, and have high electronegativity.
  9. Halogens belong to group ____.
  10. Nonmetals tend to gain ______ to form negative ions (anions).
  11. Transition metals belong to groups ____-____.
  12. Are Dull, poor conductors, brittle, and have low density.
  13. ____-____ are extremely soft silvery gray metals that posses 1 valence electron, have a charge of +1, & are the most reactive metals.
  14. The modern periodic table is organized in increasing _____-_____.
  15. Are Actinides grouped into a row or column?
Down
  1. How many elements are classified as Lanthanides? (Hint: they range from atomic number 57 to atomic number 71).
  2. ____-____ are Ductile & malleable, have multiple oxidation states(charges), & have different color compounds.
  3. ____-____ have full valence electron shells, are colorless, tasteless, odorless, and are essentially nonreactive; inert.
  4. Metals become positive ions, which are called _____.
  5. Are Alkaline earth metals more or less reactive than Alkali metals?
  6. ____-____-____ are relatively soft gray white metals, oxidize in air, posses a 2 valence electrons, & have a charge of +2.
  7. Alkali metals react with ____ water to make strong bases.
  8. Alkali metals belong Group ____.
  9. Noble gases belong to group ____.
  10. Alkaline earth metals belong group ____.
  11. Metals donate(____) electrons.
  12. The modern periodic table is also organized in _____&_____.
  13. Who is credited with designing the first periodic table?
  14. The ____-____-____ provides a way to visualize an atom's structure & potential to bond.
  15. _______ are also known as rare-earth metals, react violently with nonmetals, and have high melting & boiling points.
  16. _______ are ALL reactive electropositive metals.

31 Clues: Metals donate(____) electrons. • Halogens belong to group ____. • Alkali metals belong Group ____. • Nonmetal accept(____) electrons. • Noble gases belong to group ____. • ____-____ are the outermost electrons. • Are Shiny, brittle, and semi-conductive. • Alkaline earth metals belong group ____. • Are Actinides grouped into a row or column? • ...

chemistry crossword 2025-11-12

chemistry crossword crossword puzzle
Across
  1. what is the name of the table of elements
  2. what is a pure substance
  3. What group is the noble gases
  4. type of between a metal and a non-metal
  5. what ion does oxygen form
  6. What are the columns called on the table of elements
  7. what are the elements called in the middle of the table of elements
  8. what is multiple differant compounds in one place
  9. what structure do covalent bonds make
  10. giant ionic ..........
  11. acronym for metalic bonding
  12. what connects atoms
  13. what did neils bohr descover about electrons
  14. What group is francium in
Down
  1. what forces hold together molecules
  2. what do the dots represent in a dot and cross diagram
  3. What are the rows called on the table of elements
  4. bonding between non-metals
  5. what structure is diamond
  6. things electons sit on
  7. what is rutherford's model called
  8. What is mass / relative atomic mass
  9. What group is the Halogens
  10. What is the chemical formula for francium fluoride

24 Clues: what connects atoms • things electons sit on • giant ionic .......... • what is a pure substance • what ion does oxygen form • what structure is diamond • What group is francium in • bonding between non-metals • What group is the Halogens • acronym for metalic bonding • What group is the noble gases • what is rutherford's model called • what forces hold together molecules • ...

medicinal chemistry 2025-11-12

medicinal chemistry crossword puzzle
Across
  1. Another term for adrenergic antagonist; blocks effects of sympathetic neurotransmitters.
  2. A compound that binds to a receptor but does not activate it, blocking the effect of an agonist.
  3. The fraction of an administered dose that reaches the systemic circulation in active form.
  4. Chemical groups with similar physical or chemical properties that produce similar biological effects.
  5. Inactive compounds that become active after metabolic conversion inside the body.
  6. Peptide involved in vasoconstriction and blood pressure regulation.
  7. The study of how the body absorbs, distributes, metabolizes, and excretes drugs.
  8. Widening of blood vessels resulting from relaxation of smooth muscle in vessel walls, leading to increased blood flow and reduced blood pressure.
  9. The process by which drugs move from the bloodstream to tissues and organs.
  10. Include hydrogen bonds, ionic bonds, Van der Waals, and hydrophobic interactions that stabilize drug–target binding.
  11. The biochemical modification of drugs, mainly in the liver, to facilitate excretion.
Down
  1. Drugs that mimic the action of acetylcholine, stimulating parasympathetic responses.
  2. The movement of a drug from its site of administration into the bloodstream.
  3. A molecule that binds to a receptor and activates it to produce a biological response.
  4. Drugs that increase urine formation and help reduce blood pressure and edema.
  5. Refers to drugs or receptors related to adrenaline and noradrenaline actions.
  6. Enzyme that plays a key role in the Renin-Angiotensin-Aldosterone pathway controlling blood pressure.
  7. Condition treated with drugs that enhance cardiac output and reduce workload.
  8. Drugs that block the action of acetylcholine in parasympathetic nerves.
  9. Drugs that inhibit calcium ion entry into cardiac and smooth muscle, leading to relaxation.
  10. Specific biological sites, such as enzymes or receptors, that drugs bind to in order to exert their effects.

21 Clues: Peptide involved in vasoconstriction and blood pressure regulation. • Drugs that block the action of acetylcholine in parasympathetic nerves. • The process by which drugs move from the bloodstream to tissues and organs. • The movement of a drug from its site of administration into the bloodstream. • ...

Chemistry Review 2025-12-09

Chemistry Review crossword puzzle
Across
  1. Positively charged sub-atomic particle
  2. Anything that has mass and takes up space
  3. This mixture has the same make-up and appearance throughout
  4. A definite volume but no fixed shape
  5. Color change, temperature change and odor are some of the indicators of this type of reaction
  6. How much stuff is in a certain amount of space
  7. The one or two letter code representing an element
  8. Two or more different elements chemically combined
  9. A pure substance consisting of only one type of atom
  10. Made of electrically charged particles
  11. A combination of two or more substances that aren't the same throughout
Down
  1. The neutrally charged sub-atomic particle
  2. Represents the number of protons in an element on the periodic table
  3. No definite shape or volume
  4. It dissolves the solute
  5. Horizontal rows on the periodic table
  6. Negatively charged sub-atomic particle
  7. Size, shape and state change are all indicators of this type of reaction
  8. Vertical columns on the periodic table
  9. The basic building blocks of all matter
  10. Definite shape and volume
  11. Two or more of the same or different elements combined
  12. It gets dissolved in another substance

23 Clues: It dissolves the solute • Definite shape and volume • No definite shape or volume • A definite volume but no fixed shape • Horizontal rows on the periodic table • Positively charged sub-atomic particle • Negatively charged sub-atomic particle • Vertical columns on the periodic table • Made of electrically charged particles • It gets dissolved in another substance • ...

Thanksgiving Chemistry 2025-11-20

Thanksgiving Chemistry crossword puzzle
Across
  1. indefinite volume and indefinite shape
  2. fluorine, chlorine, bromine, iodine
  3. 1s2 2s2 2p6 3s2 3p5
  4. dihydrogen monoxide
  5. definite volume and indefinite shape
  6. cooked inside a turkey
  7. center of the atom
  8. smallest unit of matter
  9. definite volume and definite shape
  10. 11 protons
  11. measures temperature
  12. covalent compound
  13. region where electrons may be located
  14. atoms of the same element with different masses
  15. atom that has lost electron(s)
  16. solid product
  17. negatively charged subatomic particle
  18. amount of matter
  19. unit to measure distance
Down
  1. unit to measure mass
  2. measures liquid
  3. helium, neon, argon
  4. positively charged subatomic particle
  5. bond in which electrons are shared
  6. 6 protons
  7. opposite of metal
  8. subatomic particle with no charge
  9. measures mass
  10. atom that has gained electron(s)
  11. shape of an "s" orbital
  12. Thanksgiving weekday
  13. lithium, sodium, potassium
  14. Thanksgiving game
  15. [Ar] 4s2
  16. unit to measure volume
  17. side dish served at Thanksgiving
  18. Thanksgiving pie
  19. bond in which electrons are transferred

38 Clues: [Ar] 4s2 • 6 protons • 11 protons • measures mass • solid product • measures liquid • Thanksgiving pie • amount of matter • opposite of metal • Thanksgiving game • covalent compound • center of the atom • 1s2 2s2 2p6 3s2 3p5 • helium, neon, argon • dihydrogen monoxide • unit to measure mass • measures temperature • Thanksgiving weekday • cooked inside a turkey • unit to measure volume • ...

Chemistry Vocab 2026-01-05

Chemistry Vocab crossword puzzle
Across
  1. Bond A chemical bond resulting from the attraction between oppositely charged ions
  2. bond a covalent bond in which two atoms share one pair of electrons
  3. ions ions formed from a single atom
  4. A positively charged ion
  5. Rule Hydrogen and Helium only want two electrons
  6. A charged atom
  7. Electrons Electrons on the outermost energy level of an atom
  8. the basic unit of a chemical element
  9. An ionic compound whose aqueous solution conducts an electric current
  10. A negatively charged ion
  11. bond A chemical bond formed when atoms share two pairs of electrons
  12. bond A chemical bond that involves sharing a pair of electrons between atoms in a molecule
  13. bond a bond formed by the attraction between positively charged metal ions and the electrons around them
Down
  1. State the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form
  2. structures diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
  3. metal and nonmetal elements join together.
  4. formula gives the simplest whole number ratio of the ions which form an ionic compound
  5. compound a compound that is composed of molecules
  6. formula bonding at least two nonmetals and have an electromagnetically difference
  7. Bond The attractive force that holds atoms or ions together
  8. ion A charged group of covalently bonded atoms
  9. bond A chemical bond formed when atoms share three pairs of electrons
  10. A substance made up of atoms of two or more different elements joined by chemical bonds
  11. Rule States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons

24 Clues: A charged atom • A positively charged ion • A negatively charged ion • the basic unit of a chemical element • ions ions formed from a single atom • metal and nonmetal elements join together. • ion A charged group of covalently bonded atoms • Rule Hydrogen and Helium only want two electrons • compound a compound that is composed of molecules • ...

Chemistry Definitions 2026-01-06

Chemistry Definitions crossword puzzle
Across
  1. Heat is equal on both sides
  2. the minimum energy needed to start a reaction
  3. Expressed by the variable (J), this unit is used to measure mechanical energy
  4. Solid to gas
  5. Heat (energy) is transferred from the surroundings to the system
  6. a unit of energy equal to the amount of energy needed to raise 1g of water to 1 degree Celsius
  7. a measurement of thermal energy
  8. energy stored in the atom's nucleus
  9. Energy can neither be created or destroyed
Down
  1. The energy in heat necessary to vaporize a liquid
  2. The amount of energy in heat necessary to raise 1g of a substance by 1 Kelvin
  3. Heat (energy) is transferred from the system to the surroundings
  4. energy caused by the random motion of atoms (heat)
  5. Everything outside of the system that exchanges energy with it
  6. The energy that occurs based on the object's location/position
  7. Multiple objects being studied
  8. The energy in heat necesssary to convert a solid to a liquid
  9. The energy of an object in motion
  10. The Science of heat or energy flow in a chemical reaction
  11. force applied over a distance

20 Clues: Solid to gas • Heat is equal on both sides • force applied over a distance • Multiple objects being studied • a measurement of thermal energy • The energy of an object in motion • energy stored in the atom's nucleus • Energy can neither be created or destroyed • the minimum energy needed to start a reaction • The energy in heat necessary to vaporize a liquid • ...

Chemistry Crossword 2026-02-16

Chemistry Crossword crossword puzzle
Across
  1. On the periodic table a horizontal row is called _____
  2. Represents the electron configuration
  3. Wine is an example of _____ Mixture
  4. ____ ____ is the specific volume of space where an electron is usually found
  5. Scientific chart
  6. Up and down on the periodic table
  7. Static electricity
  8. I am the smallest amount of energy that can be gained or lost. What am I?
  9. This energy is needed to remove an outer electron
  10. Replicates an object to be more scale convenient
Down
  1. Force attraction between 2 atoms
  2. Im a material that only has one type of atom. What am I?
  3. An arrangement of atoms within a unit of an element
  4. Semiconductor Element
  5. A process of one or more substances that turn into new substances.
  6. Representation that helps predict
  7. An atom would not be an element without this positively charged particle
  8. NaCl is an example of a _____
  9. Mass Weighted average of an element's isotopes
  10. I characterize how substances react and transform. What am I?

20 Clues: Scientific chart • Static electricity • Semiconductor Element • NaCl is an example of a _____ • Force attraction between 2 atoms • Representation that helps predict • Up and down on the periodic table • Wine is an example of _____ Mixture • Represents the electron configuration • Replicates an object to be more scale convenient • ...

Y9 Chemistry 2026-02-11

Y9 Chemistry crossword puzzle
Across
  1. A vertical column in the periodic table.
  2. A neutral solution has a pH of _______.
  3. A reaction that releases energy to the surroundings.
  4. A positively charged subatomic particle.
  5. Method used to separate substances based on their solubility.
  6. Method used to separate two liquids based on their boiling points.
  7. The reaction between an acid and a base.
Down
  1. Two or more substances not chemically bonded.
  2. Group 7 elements are called ________.
  3. The centre of an atom.
  4. This is used to test pH by colour change.
  5. What is transferred during chemical reactions?
  6. Method used to separate an insoluble solid from a liquid.
  7. A substance made up of two or more elements chemically bonded together.
  8. A horizontal row in the periodic table.
  9. Reaction involving oxygen that releases energy.
  10. A reaction that takes in energy from the surroundings.
  11. Substances with a pH less than 7.
  12. A substance made up of only one type of atom.
  13. Group 0 elements are known as ______ gases.

20 Clues: The centre of an atom. • Substances with a pH less than 7. • Group 7 elements are called ________. • A neutral solution has a pH of _______. • A horizontal row in the periodic table. • A vertical column in the periodic table. • A positively charged subatomic particle. • The reaction between an acid and a base. • This is used to test pH by colour change. • ...

advanced chemistry 2026-02-26

advanced chemistry crossword puzzle
Across
  1. Force that holds atoms together in a compound.
  2. Bond formed by sharing of electrons.
  3. Ability of atoms to bond with themselves.
  4. Positively charged particle found in the nucleus.
  5. Alkane with four carbon atoms.
  6. The simplest alkane (CH₄).
  7. Saturated hydrocarbons with only single bonds.
  8. Cyclic compounds that are not aromatic.
  9. Shows the actual number of atoms in a molecule.
  10. Compound made only of carbon and hydrogen.
  11. Region where electrons are found around the nucleus.
  12. Negatively charged subatomic particle.
  13. Neutral particle found in the nucleus.
  14. International system for naming chemical compounds.
  15. Aromatic hydrocarbon with a ring structure.
  16. Bond formed by transfer of electrons.
  17. Organic compounds that are not aromatic.
  18. Atom or group that replaces hydrogen in a chain.
Down
  1. Group obtained from an alkane by removing one hydrogen.
  2. Organic compounds with a terminal carbonyl group (–CHO).
  3. Describes the properties of an electron in an atom.
  4. Saturated hydrocarbon arranged in a ring.
  5. Compound mainly made of carbon bonded to other elements.
  6. Carbon chains that form closed rings.
  7. Organic compound formed from an acid and an alcohol.
  8. Atoms tend to have eight electrons in their outer shell.
  9. Having unequal sharing of electrons.
  10. Organic compound that contains the –OH functional group.
  11. Organic compound containing the –COOH group.
  12. Hydrocarbons that contain at least one C≡C triple bond.
  13. Hydrocarbons that contain at least one C=C double bond.
  14. Electron found in the outermost shell of an atom.
  15. Organic compound with an oxygen linking two carbon chains.
  16. Related to carbon-containing compounds.
  17. Organic compounds with a carbonyl group inside the chain.

35 Clues: The simplest alkane (CH₄). • Alkane with four carbon atoms. • Bond formed by sharing of electrons. • Having unequal sharing of electrons. • Carbon chains that form closed rings. • Bond formed by transfer of electrons. • Negatively charged subatomic particle. • Neutral particle found in the nucleus. • Cyclic compounds that are not aromatic. • ...

Chemistry Vocab 2026-03-13

Chemistry Vocab crossword puzzle
Across
  1. These Properties can be observed or measured without changing the composition of the matter. Examples include color, odor, density, malleability or viscosity.
  2. Located outside the nucleus of an atom with a negative charge.
  3. A pure substance. All the atoms of an element have the same number of protons, neutrons and electrons.
  4. The total mass of the products must be equal to the total mass of the reactants in a chemical reaction. Matter is neither created nor destroyed.
  5. Materials that react with each other in the beginning of a chemical reaction.
  6. New material formed during a chemical reaction. Appears to the right of the arrow.
  7. A bond formed when valence electrons of one atom are permanently transferred to another atom.
  8. These properties can only be observed during a chemical reaction and thus changes the element's chemical composition. Examples include reactivity, flammability and corrosion.
  9. A chemical bond formed when electrons are shared between two or more atoms.
Down
  1. Method of finding the density of irregularly shaped objects by displacing water in a container.
  2. Table Arrangement of the elements into rows and columns by increasing atomic number.
  3. A group of atoms bonded together. Can be element or a compound.
  4. The center of an atom containing the protons and neutrons.
  5. Regions surrounding the nucleus of an atom containing a certain number of electrons.
  6. Electrons in the outermost energy level of an atom.
  7. Anything that takes up space and has mass.
  8. The building blocks of matter. Made up of protons, neutrons and electrons.
  9. Physical property that tells you how tightly packed the molecules are in the object. Formula is d = m/v.
  10. Located in the nucleus of an atom with no charge (neutral).
  11. Located in the nucleus of an atom with a positive charge.
  12. A substance made up of two or more different chemical elements.

21 Clues: Anything that takes up space and has mass. • Electrons in the outermost energy level of an atom. • Located in the nucleus of an atom with a positive charge. • The center of an atom containing the protons and neutrons. • Located in the nucleus of an atom with no charge (neutral). • Located outside the nucleus of an atom with a negative charge. • ...

Laboratory Instruments 2023-07-05

Laboratory Instruments crossword puzzle
Across
  1. To stir chemical solution
  2. Branch of science
  3. Supports apparatus during experiments.
  4. For heating
Down
  1. To filter liquids
  2. Used to pick up hot apparatus
  3. Father of modern chemistry
  4. Used to carry test in small quantities

8 Clues: For heating • To filter liquids • Branch of science • To stir chemical solution • Father of modern chemistry • Used to pick up hot apparatus • Used to carry test in small quantities • Supports apparatus during experiments.

Syllabus Crossword Puzzle 2025-08-19

Syllabus Crossword Puzzle crossword puzzle
Across
  1. Classroom expectation: work toward strong explanations and solutions.
  2. Classroom expectation: treat people, space, and learning with care.
  3. What size index card can be used as a cheat sheet for exams?
  4. What must you do if your name is put on the board?
  5. What type of grading is done in this class?
  6. Eating and drinking is ___ permitted during class time (except water).
  7. Where can you find assignments, announcements, and class codes?
  8. Classroom expectation: value everyone’s ideas and participation.
  9. What can you do to increase assessment scores?
  10. What is your chemistry teacher’s name?
Down
  1. If your most recent score is lower than a past score, which score counts?
  2. You are considered tardy when you are not in your ___ after the bell rings.
  3. What subject are we learning about in this class?
  4. How can you email Mr. Ng?
  5. Chemistry is the study of what?
  6. Another time of day to meet with Mr. Ng by appointment.
  7. What percentage of your grade comes from completion work?
  8. Classroom expectation: help and encourage each other’s learning.
  9. What must students follow for lab safety?
  10. One time of day you can make an appointment with Mr. Ng.
  11. Late work is not ____?
  12. Where should your phone go at the start of class?
  13. What is the classroom number?
  14. Exams, quizzes, and projects are part of this that make up 70% of your grade.
  15. Assessments missed because of an excused absence must be completed within __ days of returning to class.
  16. What must you do before using the hall pass?

26 Clues: Late work is not ____? • How can you email Mr. Ng? • What is the classroom number? • Chemistry is the study of what? • What is your chemistry teacher’s name? • What must students follow for lab safety? • What type of grading is done in this class? • What must you do before using the hall pass? • What can you do to increase assessment scores? • ...

Vocabulary Unit 12 2021-03-22

Vocabulary Unit 12 crossword puzzle
Across
  1. meeting
  2. French
  3. notebook
  4. sheet of paper
  5. library
  6. auditorium
  7. stamp
  8. Japanese
  9. office
  10. cafeteria
  11. grade
  12. calculator
  13. chemistry
  14. band
  15. biology
  16. glue
  17. gym
  18. coach
Down
  1. computer science
  2. homework
  3. glue
  4. librarian
  5. envelope
  6. P.E
  7. geography
  8. detention
  9. German
  10. ruler
  11. stapler
  12. choir
  13. sharpener
  14. principal

32 Clues: P.E • gym • glue • band • glue • stamp • ruler • grade • choir • coach • French • German • office • meeting • library • stapler • biology • homework • notebook • envelope • Japanese • librarian • geography • detention • cafeteria • chemistry • sharpener • principal • auditorium • calculator • sheet of paper • computer science

Spanish learning chapter 2 2021-10-22

Spanish learning chapter 2 crossword puzzle
Across
  1. el libro
  2. la mesa
  3. la silla
  4. la tiza
  5. la biblioteca
  6. la puerta
  7. la administración de empresas
  8. el/la_compañero/a_de_clase
  9. la química
Down
  1. la mochila
  2. la especialización
  3. la pluma
  4. la economía
  5. el papel
  6. la pizarra
  7. la física
  8. la papelera
  9. el trimestre
  10. la ventana
  11. el reloj

20 Clues: la mesa • la tiza • el libro • la pluma • el papel • la silla • el reloj • la física • la puerta • la mochila • la pizarra • la ventana • la química • la economía • la papelera • el trimestre • la biblioteca • la especialización • el/la_compañero/a_de_clase • la administración de empresas

L'horaire 2013-02-18

L'horaire crossword puzzle
Across
  1. homework
  2. Gym
  3. now
  4. break
  5. Music
  6. Chemistry
  7. week
  8. noon
  9. Monday
  10. exam
  11. Geography
  12. dismissal
  13. tomorrow
  14. 1am
Down
  1. Physics
  2. Math
  3. Biology
  4. weekend
  5. evening
  6. midnight
  7. Sunday
  8. Saturday
  9. Spanish
  10. Art
  11. ComputerTech
  12. Wednesday
  13. Tuesday
  14. German
  15. morning
  16. Thursday
  17. History
  18. Friday

32 Clues: Gym • now • Art • 1am • Math • week • noon • exam • break • Music • Sunday • German • Monday • Friday • Physics • Biology • weekend • evening • Spanish • Tuesday • morning • History • homework • midnight • Saturday • Thursday • tomorrow • Wednesday • Chemistry • Geography • dismissal • ComputerTech

En la Escuela B! 2017-03-20

En la Escuela B! crossword puzzle
Across
  1. door
  2. schedule
  3. lesson/lecture
  4. history
  5. test
  6. math
  7. Spanish
  8. essay
  9. science
  10. physics
  11. religion
  12. locker
  13. biology
  14. lesson
  15. art
  16. gymnasium
Down
  1. essay/report
  2. school subject
  3. music
  4. quiz
  5. grade (year)
  6. chemistry
  7. physical education/gym
  8. computers/computer science
  9. semester
  10. hallway
  11. grades (scores)
  12. English
  13. homework

29 Clues: art • door • quiz • test • math • music • essay • locker • lesson • history • Spanish • hallway • science • physics • English • biology • schedule • semester • religion • homework • chemistry • gymnasium • essay/report • grade (year) • lesson/lecture • school subject • grades (scores) • physical education/gym • computers/computer science

L'Ecole et Les Cours 2024-02-15

L'Ecole et Les Cours crossword puzzle
Across
  1. Band
  2. Latin class
  3. physics class
  4. Business class
  5. History
  6. fine arts, art class
  7. Computer Science
  8. biology
  9. high school
  10. algebra
  11. drawing class
  12. Math class
  13. Spanish class
  14. Geometry
  15. political science, government
Down
  1. PE
  2. chorus
  3. Health
  4. Study Hall
  5. Geography
  6. Italian
  7. chemistry
  8. middle school
  9. university
  10. physical science

25 Clues: PE • Band • chorus • Health • Italian • History • biology • algebra • Geometry • Geography • chemistry • Study Hall • university • Math class • Latin class • high school • physics class • middle school • drawing class • Spanish class • Business class • Computer Science • physical science • fine arts, art class • political science, government

Spanish I 2024-01-23

Spanish I crossword puzzle
Across
  1. Music
  2. Biology
  3. Study
  4. Teach
  5. Green
  6. Spanish
  7. Algebra
  8. look for
  9. During
  10. Blue
  11. Technology
  12. be
  13. red
  14. Choir
  15. Studio
  16. White
Down
  1. Chemistry
  2. History
  3. Speak
  4. French
  5. Buy
  6. Physics
  7. Use
  8. Listen
  9. pay
  10. Math
  11. Art
  12. Band
  13. book
  14. Black
  15. Geometry

31 Clues: be • Buy • Use • pay • Art • red • Math • Band • Blue • book • Speak • Music • Study • Teach • Green • Black • Choir • White • French • Listen • During • Studio • History • Biology • Physics • Spanish • Algebra • look for • Geometry • Chemistry • Technology

En la Clase 2023-09-21

En la Clase crossword puzzle
Across
  1. mathematics
  2. Chemistry
  3. Economics
  4. Psychology
  5. Why?
  6. To have dinner
  7. To arrive
  8. To the left of
  9. Which ones?
  10. because
  11. Physics
  12. To have breakfast
  13. Where to?
  14. Computer science
Down
  1. business administration
  2. Bookstore
  3. library
  4. English
  5. To the right of
  6. wastebasket
  7. Which?
  8. biology
  9. history
  10. Next to;besides

24 Clues: Why? • Which? • library • English • biology • history • because • Physics • Bookstore • Chemistry • Economics • To arrive • Where to? • Psychology • mathematics • wastebasket • Which ones? • To have dinner • To the left of • To the right of • Next to;besides • Computer science • To have breakfast • business administration

En la Clase 2023-09-21

En la Clase crossword puzzle
Across
  1. mathematics
  2. Chemistry
  3. Economics
  4. Psychology
  5. Why?
  6. To have dinner
  7. To arrive
  8. To the left of
  9. Which ones?
  10. because
  11. Physics
  12. To have breakfast
  13. Where to?
  14. Computer science
Down
  1. business administration
  2. Bookstore
  3. library
  4. English
  5. To the right of
  6. wastebasket
  7. Which?
  8. biology
  9. history
  10. Next to;besides

24 Clues: Why? • Which? • library • English • biology • history • because • Physics • Bookstore • Chemistry • Economics • To arrive • Where to? • Psychology • mathematics • wastebasket • Which ones? • To have dinner • To the left of • To the right of • Next to;besides • Computer science • To have breakfast • business administration

En la Clase 2023-09-21

En la Clase crossword puzzle
Across
  1. Chemistry
  2. history
  3. business administration
  4. Physics
  5. To the left of
  6. Psychology
  7. Bookstore
  8. biology
  9. To have breakfast
  10. English
  11. Where to?
  12. because
Down
  1. Which?
  2. Economics
  3. Computer science
  4. mathematics
  5. To arrive
  6. Which ones?
  7. library
  8. Why?
  9. wastebasket
  10. Next to;besides
  11. To the right of
  12. To have dinner

24 Clues: Why? • Which? • history • library • Physics • biology • English • because • Economics • Chemistry • To arrive • Bookstore • Where to? • Psychology • mathematics • Which ones? • wastebasket • To the left of • To have dinner • Next to;besides • To the right of • Computer science • To have breakfast • business administration

Chapter 2 2023-09-21

Chapter 2 crossword puzzle
Across
  1. Which ones?
  2. computer science
  3. which
  4. mathematics
  5. to have dinner
  6. history
  7. Economics
  8. to arrive
  9. Physchology
  10. library
  11. to have breakfast
  12. to the right of
  13. Why
  14. Business administration
Down
  1. to the left of
  2. Chemistry
  3. Biology
  4. English
  5. wastebasket
  6. because
  7. next to; besides
  8. Bookstore
  9. Where to?
  10. physics

24 Clues: Why • which • Biology • history • English • because • library • physics • Chemistry • Economics • to arrive • Bookstore • Where to? • Which ones? • mathematics • wastebasket • Physchology • to the left of • to have dinner • to the right of • computer science • next to; besides • to have breakfast • Business administration

French 1 Midterm 2024-11-26

French 1 Midterm crossword puzzle
Across
  1. your (plural or formal)
  2. apple
  3. cat
  4. juice
  5. neighborhood
  6. aunt
  7. ville
  8. calculatrice
  9. ascenseur
  10. daughter
  11. sixty
  12. Sunday
  13. pourquoi
  14. garden
  15. beau-pere
Down
  1. birthday
  2. back
  3. comment
  4. house
  5. chemistry
  6. glasses
  7. professeur
  8. pen
  9. copain
  10. elle
  11. fromage
  12. trees
  13. dog
  14. janvier
  15. to buy
  16. car

31 Clues: cat • pen • dog • car • back • aunt • elle • apple • house • juice • ville • trees • sixty • copain • to buy • Sunday • garden • comment • glasses • fromage • janvier • birthday • daughter • pourquoi • chemistry • ascenseur • beau-pere • professeur • neighborhood • calculatrice • your (plural or formal)

CHEM IS TRY 2024-07-11

CHEM IS TRY crossword puzzle
Across
  1. ธาตุสองตัวจะมาเป็นสารประกอบ ต้องมีสิ่งนี้
  2. ใช้หยดสารละลาย
  3. จำนวนอนุภาคมูลฐานในอะตอมของ Ne
  4. มีทั้งเป็นบวก และ เป็นลบ
  5. ชนิดหนึ่งของปฏิกิริยา ร้อนนะจะบอกให้
  6. มีเลขอะตอม 17
  7. เป็นภาษากรีก แปลว่า สิ่งที่เล็กที่สุด
  8. อยู่ในอะตอมเป็นประจุลบ
  9. เอาน้ำตาลมาละลายน้ำ เราเรียกว่า
  10. ตอนจะกินต้องระวัง ไม่งั้นไตพัง
  11. เครื่องแก้วชนิดหนึ่ง ใช้บรรจุ ถ่ายเท สารเคมี
Down
  1. pH มากกว่า 7
  2. จะเกิดฝนได้ ต้องเกิดสิ่งนี้ก่อน
  3. รวมทุกธาตุในโลกไว้ที่นี่เลย
  4. แก๊สที่พบมากที่สุดในอากาศรอบตัวเรา
  5. เหล็ก มาเจอกับน้ำและอากาศ
  6. พบในชั้นบรรยากาศ
  7. จำนวนนิวตรอนของ คาร์บอน ที่มีเลขมวล 13
  8. ใช้ตรวจสอบความเป็นกรด-เบส
  9. ลองเดาดูสิ
  10. ยูเรก้าาาาาา
  11. ธาตุที่ใช้ทำสายไฟ

22 Clues: ลองเดาดูสิ • pH มากกว่า 7 • ยูเรก้าาาาาา • มีเลขอะตอม 17 • ใช้หยดสารละลาย • พบในชั้นบรรยากาศ • ธาตุที่ใช้ทำสายไฟ • อยู่ในอะตอมเป็นประจุลบ • มีทั้งเป็นบวก และ เป็นลบ • เหล็ก มาเจอกับน้ำและอากาศ • ใช้ตรวจสอบความเป็นกรด-เบส • รวมทุกธาตุในโลกไว้ที่นี่เลย • จำนวนอนุภาคมูลฐานในอะตอมของ Ne • ตอนจะกินต้องระวัง ไม่งั้นไตพัง • จะเกิดฝนได้ ต้องเกิดสิ่งนี้ก่อน • เอาน้ำตาลมาละลายน้ำ เราเรียกว่า • ...

School Subjects and Schedule 2024-11-11

School Subjects and Schedule crossword puzzle
Across
  1. Spanish
  2. computer science
  3. physical education
  4. fine arts
  5. study hall
  6. history
  7. geometry
  8. assembly
  9. language
  10. social studies
  11. geography
  12. the school subject
  13. recess
  14. band
Down
  1. mathematics
  2. science
  3. civics
  4. technology
  5. English
  6. lunch time
  7. class
  8. literature
  9. algebra
  10. biology
  11. chemistry
  12. school
  13. choir
  14. art
  15. orchestra

29 Clues: art • band • class • choir • civics • school • recess • science • Spanish • English • algebra • biology • history • geometry • assembly • language • fine arts • chemistry • orchestra • geography • technology • lunch time • literature • study hall • mathematics • social studies • computer science • physical education • the school subject

Things Dad Loves 2021-04-19

Things Dad Loves crossword puzzle
Across
  1. Rod and reel sport
  2. Spouse
  3. Woodwork
  4. Rink game
  5. Physics or chemistry
  6. Chess and checkers
  7. Jogging gear
  8. Workshop items
  9. Mowing site
Down
  1. Kids
  2. Pals
  3. Plays on words
  4. Household animals
  5. Summer game
  6. Vegetable plot
  7. Coupes and convertibles
  8. Fall weekend game
  9. Afternoon snooze

18 Clues: Kids • Pals • Spouse • Woodwork • Rink game • Summer game • Mowing site • Jogging gear • Plays on words • Vegetable plot • Workshop items • Afternoon snooze • Household animals • Fall weekend game • Rod and reel sport • Chess and checkers • Physics or chemistry • Coupes and convertibles

Chemistry Crossword 2012-02-19

Chemistry Crossword crossword puzzle
Across
  1. A reaction where energy is released as head (reactants have more energy than products).
  2. For the SnS compound the classical method of naming would be Stannous sulfide while the ____ method would be Tin (II) Sulfide.
  3. This type of radiation is high energy electromagnetic radiation that often accompanies alpha or beta particle emission. It has a very short wavelength and is therefore the most dangerous type of radioactive emission.
  4. An ion that contains more than one atom.
  5. This word is defined as the amount of solute that can dissolve in a solvent at a given temperature.
  6. Atoms of the same element with different atomic masses are called.
  7. The measure of an atom’s electron attracting ability for bonding pair.
  8. The lightest noble gas.
  9. Heaviest (highest atomic mass) synthetic element.
  10. JJ____ proposed the raisin bun in a plum pudding theory of the atom (with electrons embedded in a positively charged sphere)
  11. ___Principle said that orbitals are always filled from the lowest to the highest energy level
Down
  1. London dispersion forces occur because the motion of the electrons in an atom causes a fluctuating charge distribution that varies from moment to moment. This leads to an induced ____.
  2. ____ ‘s number is 6.02 * 10^23
  3. These forces must be overcome for phase changes.
  4. A type of bonding formed through electrostatic attraction between an anion and a cation
  5. Common name of Calcium Oxide
  6. A reaction where energy is drawn out of the environment (Products have more energy than reactants).
  7. A section of chemistry dealing with relative quantities of both reactants and products in chemical reactions
  8. Heaviest (highest atomic mass) naturally occurring element.
  9. The principal quantum number(n)represents the number of ____s.
  10. The ______ formula of a compound is the smallest whole number ratio of the elements in the compound.
  11. Both a furry animal and a unit of measurement in chemistry
  12. Common name of Potassium Carbonate
  13. The name of NO3

24 Clues: The name of NO3 • The lightest noble gas. • Common name of Calcium Oxide • ____ ‘s number is 6.02 * 10^23 • Common name of Potassium Carbonate • An ion that contains more than one atom. • These forces must be overcome for phase changes. • Heaviest (highest atomic mass) synthetic element. • Both a furry animal and a unit of measurement in chemistry • ...

Chemistry CrossWord 2012-10-31

Chemistry CrossWord crossword puzzle
Across
  1. same numbers of protons(atomic number) but different numbers of neutrons
  2. a mixture in which the individual substances are visible to the naked eye
  3. electron configuration: 1s2 2s2 2p1
  4. electrons fill orbitals starting at the lowest available energy state before filing higher states
  5. Group 1 of the Periodic table
  6. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  7. elements 90-103
  8. particle that has no charge and is located in the nucleus
  9. characteristic of a substance that can be observed without changing the substance into another substance
  10. atomic symbol of SodiumChloride
  11. horizontal row of elements in the periodic table
  12. Group that has 7 valence electron
Down
  1. positive charged particle located in the nucleus of an atom
  2. chemical bond formed when electrons are shared
  3. use to hold,mix,and heat liquids
  4. used for protecting your eyes during an experiment
  5. smallest particle of an element
  6. the ability of an atom to attract electrons
  7. element with 8 protons, 8 electrons, and 8 neutrons
  8. negatively charged particle in an atom
  9. chemical bond that involves electrons to be gained or lost
  10. electron configuration: 1s2 2s2 2p6 3s2 3p4
  11. Elements 58-71
  12. English scientist that stated All matter is made of atoms and Atoms are indivisible and indestructible.
  13. Anything that has mass and occupies space
  14. A change in matter which does not alter the chemical properties of the matter
  15. Group that has 8 valence electron
  16. covalent bond in which electrons are shared unequally
  17. Atomic symbol is Ca
  18. pair of electron that does not bond

30 Clues: Elements 58-71 • elements 90-103 • Atomic symbol is Ca • Group 1 of the Periodic table • smallest particle of an element • atomic symbol of SodiumChloride • use to hold,mix,and heat liquids • Group that has 8 valence electron • Group that has 7 valence electron • electron configuration: 1s2 2s2 2p1 • pair of electron that does not bond • negatively charged particle in an atom • ...

Chemistry Vocabulary 2012-11-29

Chemistry Vocabulary crossword puzzle
Across
  1. mass/ The mass in grams of one mole (or 6.02 x 1023 molecules) of any chemical compound.
  2. mass/ the sum of atomic weights of the atoms in a molecule
  3. length/ the average distance between nuclei of two bonded atoms in a molecule
  4. composition/ Usually means percent composition by mass. Could also be percent composition by mole, or by weight.
  5. formula/ a chemical formula based on analysis and molecular weight.
  6. bond/ a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion.
  7. a method of describing the delocalized electrons in some molecules where the bonding cannot be explicitly expressed by a single Lewis structure
  8. bond/ A chemical bond in which three pairs of electrons are shared between two atoms.
  9. covalent bond/ a bond in which one nucleus of an atom donates both electrons to form a bond with another atom
  10. hybridization/ mixing atomic orbitals to form new hybrid orbitals suitable for the qualitative description of atomic bonding properties.
  11. rule/ atoms that tend to combine in such a way that they each have eight electrons in their valence shells
Down
  1. bond/ A real fancy way of saying "single bond"
  2. number/ The number of atoms or molecules in one mole of a substance
  3. The mole is a unit of measurement for the amount of substance or chemical amount.
  4. bond/ A chemical bond in which two pairs of electrons are shared between two atoms.
  5. ion/ An ionic species containing more than one element.
  6. bond/ a chemical bond that involves sharing a pair of electrons between atoms in a molecule.
  7. promotion/ A statement describing the populations of electronic energy sublevels of an atom
  8. bond/ a bond formed from the overlap of two parallel p-orbitals.
  9. covalent bonds/ A covalent bond in which the electrons are not shared equally, giving the bond some ionic character

20 Clues: bond/ A real fancy way of saying "single bond" • ion/ An ionic species containing more than one element. • mass/ the sum of atomic weights of the atoms in a molecule • bond/ a bond formed from the overlap of two parallel p-orbitals. • formula/ a chemical formula based on analysis and molecular weight. • ...

Organic Chemistry 2012-11-29

Organic Chemistry crossword puzzle
Across
  1. compound with two carbonyl carbons connected by an oxygen
  2. The position on an aromatic of the second substituent that is OPPOSITE of the first
  3. the type of bond that makes a compound an ALKYNE
  4. different name for ester hydrolysis
  5. alkane with 3 carbons
  6. type of reagents used in Grignard and Gillman's reactions
  7. type of aromatic substituent that blocks Friedel-Crafts reaction
  8. type of P-orbital required to count as an aromatic
  9. reaction which forms new Carbon Carbon double bond on a carbonyl in place of oxygen
  10. reaction that turns two identical aldehydes into one larger Beta Hydroxy Aldehyde
  11. the type of bond that makes a compound an ALKENE
Down
  1. compound with a hydrogen and double-bonded oxygen on a terminal carbon.
  2. forms new Carbon Carbon single bond, turns carbonyl into alcohol
  3. a carbon in a compound with 4 different groups attached to it
  4. A 6 membered aromatic compound
  5. a reaction mechanism for aromatics
  6. reaction that converts a dione into a 5 or 6 membered ring
  7. A geometric requirement for aromatics
  8. a carbon with a positive charge
  9. a 6 membered carbon ring
  10. The position on an aromatic of the second substituent that is ADJACENT to the first

21 Clues: alkane with 3 carbons • a 6 membered carbon ring • A 6 membered aromatic compound • a carbon with a positive charge • a reaction mechanism for aromatics • different name for ester hydrolysis • A geometric requirement for aromatics • the type of bond that makes a compound an ALKYNE • the type of bond that makes a compound an ALKENE • ...

Chemistry Crossword 2012-12-01

Chemistry Crossword crossword puzzle
Across
  1. The SI unit of frequency equal to one cycle per second.
  2. The arrangement of electrons around the nucleus of an atom in its ground state.
  3. A dumbbell region around the nucleus where and electron may be found.
  4. The modern description, primarily mathematical, of the behavior of electrons in atoms.
  5. The lowest energy level occupied in the periodic table.
  6. Displayed an atom with the majority of the mass in the nucleus.
  7. The pattern of frequencies obtained by passing light emitted by the atoms of an element in the gaseous state through a prism.
  8. Describes the wavelength of a moving particle.
  9. electrons are ejected by certain metals where they absorb light with a frequency above a threshold frequency.
  10. Electrons enter orbitals of lowest energy first.
  11. no more than two electrons can occupy an atomic orbital.
Down
  1. A number used to calculated the radiant energy absorbed or emitted by a body based on the frequency of radiation.
  2. Displayed the atom as a ball of positive charge with a few electrons.
  3. A spherical region around the nucleus where an electron may be found. The inner most sphere is one of these.
  4. States that it is impossible to know both the velocity and the position of a particle at the same time.
  5. Proposition that electrons travel in definite orbits around the nucleus.
  6. When electrons occupy orbitals of equal energy.
  7. A region around the nucleus of an atom where an electron is likely to be moving.
  8. a region in space around the nucleus of an atom where there is a high probability of finding an electron.
  9. A nucleus that has a higher energy level than a ground level.
  10. The amount of energy needed to move an electron from its present energy level to the next higher one.
  11. The number of wave cycles that pass a given point per unit of time.
  12. The distance between two adjacent crests of a wave.
  13. The height of a wave from the origin to the crest.
  14. A quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle.

25 Clues: Describes the wavelength of a moving particle. • When electrons occupy orbitals of equal energy. • Electrons enter orbitals of lowest energy first. • The height of a wave from the origin to the crest. • The distance between two adjacent crests of a wave. • The SI unit of frequency equal to one cycle per second. • ...

Chemistry Crossword 2012-12-01

Chemistry Crossword crossword puzzle
Across
  1. Displayed an atom with the majority of the mass in the nucleus.
  2. A nucleus that has a higher energy level than a ground level.
  3. A quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle.
  4. The amount of energy needed to move an electron from its present energy level to the next higher one.
  5. The pattern of frequencies obtained by passing light emitted by the atoms of an element in the gaseous state through a prism.
  6. Describes the wavelength of a moving particle.
  7. The arrangement of electrons around the nucleus of an atom in its ground state.
  8. no more than two electrons can occupy an atomic orbital.
  9. A dumbbell region around the nucleus where and electron may be found.
  10. A region around the nucleus of an atom where an electron is likely to be moving.
Down
  1. When electrons occupy orbitals of equal energy.
  2. Proposition that electrons travel in definite orbits around the nucleus.
  3. The distance between two adjacent crests of a wave.
  4. States that it is impossible to know both the velocity and the position of a particle at the same time.
  5. The SI unit of frequency equal to one cycle per second.
  6. A number used to calculated the radiant energy absorbed or emitted by a body based on the frequency of radiation.
  7. electrons are ejected by certain metals where they absorb light with a frequency above a threshold frequency.
  8. The number of wave cycles that pass a given point per unit of time.
  9. a region in space around the nucleus of an atom where there is a high probability of finding an electron.
  10. Displayed the atom as a ball of positive charge with a few electrons.
  11. The modern description, primarily mathematical, of the behavior of electrons in atoms.
  12. A spherical region around the nucleus where an electron may be found. The inner most sphere is one of these.
  13. Electrons enter orbitals of lowest energy first.
  14. The lowest energy level occupied in the periodic table.
  15. The height of a wave from the origin to the crest.

25 Clues: Describes the wavelength of a moving particle. • When electrons occupy orbitals of equal energy. • Electrons enter orbitals of lowest energy first. • The height of a wave from the origin to the crest. • The distance between two adjacent crests of a wave. • The SI unit of frequency equal to one cycle per second. • ...

Chemistry Crossword 2012-09-08

Chemistry Crossword crossword puzzle
Across
  1. Occurring without definite aim
  2. Change from solid to liquid without passing through the liquid state
  3. Smallest particle of an element
  4. Uses electricity to break down compounds into simpler substances
  5. Something that binds , holds something together
  6. A reactions which results in the increase in surrounding temperature
  7. Primary charge carriers in electric current
  8. Neat and regular sequence
  9. Pressed together, dense, compact
Down
  1. Substance that cannot be broken down any further
  2. Magnetic force between 2 oppositely charged bodies causing them to draw together
  3. Substance that undergoes a chemical change in a given reaction
  4. A reaction which results in the decrease in surrounding temperature
  5. A proton or a neutron
  6. Can be returned to original state
  7. An electrically charged atom formed by the loss or gain of one or more electrons
  8. Process which causes rusting & spoiling of fresh food
  9. Change from gas to solid without passing through the liquid state
  10. 2 or more elements involved
  11. 2 or more atoms chemically combined together (a group of atoms)

20 Clues: A proton or a neutron • Neat and regular sequence • 2 or more elements involved • Occurring without definite aim • Smallest particle of an element • Pressed together, dense, compact • Can be returned to original state • Primary charge carriers in electric current • Something that binds , holds something together • Substance that cannot be broken down any further • ...

Chemistry Puzzle 2013-04-30

Chemistry Puzzle crossword puzzle
Across
  1. The densest liquid element
  2. A common name for Calcium Carbonate
  3. The colour with the longest wavelength
  4. The only two letters to not officially appear on the periodic table (Alphabetically)
  5. An acid that ionizes slightly in a solution (2 words)
  6. The maximum amount of solute that can be dissolved into a solvent at a given temperature
  7. The most common isotope of this element is 238
  8. This type of alcohol is commonly consumed
  9. The smallest length, theoretically (2 words)
  10. The nuclear reaction that takes place in the sun’s core
  11. This element is the most conductive metal, but comes at a price
  12. Many computer chips are made from this element
Down
  1. A base that produces few hydroxide ions when dissolved in water (2 words)
  2. This type of electromagnetic radiation is used for telecommunications around the world
  3. This subatomic particle is released during beta decay
  4. This type of spin is an angular momentum carried by electrons (2 words)
  5. This metal is used in pipes and wires
  6. All intermolecular bonds are caused by ___ ___ ___ forces (3 words)
  7. The lowest theoretical temperature (2 words)
  8. The nucleus of this element is released during alpha decay
  9. A solid solution of two or more metals
  10. The final part of the standard model to be discovered (2 words)
  11. This element is added to table salt for its health benefits
  12. The term used to describe a complete valence shell

24 Clues: The densest liquid element • A common name for Calcium Carbonate • This metal is used in pipes and wires • The colour with the longest wavelength • A solid solution of two or more metals • This type of alcohol is commonly consumed • The lowest theoretical temperature (2 words) • The smallest length, theoretically (2 words) • The most common isotope of this element is 238 • ...

Cell Chemistry 2013-04-12

Cell Chemistry crossword puzzle
Across
  1. the monomer of a protein
  2. tiny molecular strands which code for all life on Earth
  3. a reaction involving the chemical basis of several objects
  4. adenosine triphosphate
  5. the acidic level of a substance
  6. a sweet, crystalline substance
  7. a substance that provides nourishment
  8. the act of conducting photosynthesis
  9. a type of diffusion where molecules move from areas of lower concentration to higher concentration; require energy
  10. self replication
  11. a gaseous element which makes up 1/5 of the volume of the atmosphere, and is necessary for all life on Earth
  12. the diffusion of water
  13. one of the various types of energy
  14. an exertion of power
  15. a state of balance due to the equal action of opposing forces
Down
  1. to suck up or fill
  2. any acids that bond to a glycerol to form a fat molecule
  3. the quality of acid of a substance
  4. having the form of a sphere
  5. any of 4 of the nitrogenous bases of DNA, or RNA (they differ in both)
  6. energy of a chemical compound which must undergo a change
  7. a combination of two or more atoms
  8. the process of burning
  9. to acquire something
  10. a type of diffusion where no energy is required
  11. a plant process where light+CO2+water=O2+glucose
  12. a molecular sugar: C6 H12 O6
  13. the green coloring matter of leaves and plants
  14. a chain of subsequent energy reactions
  15. energy constituted by light
  16. this builds and repairs cells and cell tissue
  17. to make a solution by mixing with liquid
  18. proteins which break down molecules and molecular bonds
  19. a limit

34 Clues: a limit • self replication • to suck up or fill • to acquire something • an exertion of power • the process of burning • adenosine triphosphate • the diffusion of water • the monomer of a protein • having the form of a sphere • energy constituted by light • a molecular sugar: C6 H12 O6 • a sweet, crystalline substance • the acidic level of a substance • the quality of acid of a substance • ...

Cell Chemistry 2013-04-16

Cell Chemistry crossword puzzle
Across
  1. Diffusion of a solvent (usually water molecules) through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.
  2. the act or process of burning.
  3. A microscopic organism, esp. a bacterium, virus, or fungus.
  4. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
  5. The process or action by which one thing absorbs or is absorbed by another: "shock absorption".
  6. diffusion Transport of substances across a biological membrane from an area of higher concentration to an area of lower concentration by means of a carrier molecule. Since the substances move along the direction of their concentration gradients, energy is not required.
  7. transport The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
  8. Something put into a system or expended in its operation to achieve output or a result,
  9. A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.
  10. A substance that provides nourishment essential for growth and the maintenance of life.
  11. the metabolic processes whereby certain organisms obtain energy from organic molecules.
  12. A line that marks the limits of an area; a dividing line
  13. something, such as a liquid or gas, that flows in
  14. Respiration the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
  15. transport transport of a substance across a cell membrane by diffusion; expenditure of energy is not required.
Down
  1. An individual animal, plant, or single-celled life form
  2. A group of interacting, interrelated, or interdependent elements forming a complex whole.
  3. the act of concentrating; the state of being concentrated.
  4. force a force which is the result of two or more forces acting conjointly, or a motion which is the result of two or more motions combined.
  5. Take in or soak up (energy, or a liquid or other substance) by chemical or physical action, typically gradually.
  6. Synthesize sugars or other substances by means of photosynthesis.
  7. Reaction A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form Compound
  8. Get, acquire, or secure (something):
  9. The process of becoming smaller.
  10. A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.
  11. The passive movement of molecules or particles along a concentration gradient, or from regions of higher to regions of lower concentration.
  12. Of or relating to the properties of spheres
  13. The first trophic level in a food chain in which it serves as a food source for consumers or for higher trophic levels.
  14. to make a solution of, as by mixing with a liquid; pass into solution
  15. reproduction reproduction without the fusion of gametes
  16. Consisting of many different and connected parts.

31 Clues: the act or process of burning. • The process of becoming smaller. • Get, acquire, or secure (something): • Of or relating to the properties of spheres • something, such as a liquid or gas, that flows in • Consisting of many different and connected parts. • An individual animal, plant, or single-celled life form • A line that marks the limits of an area; a dividing line • ...

Chemistry Katok 2014-02-26

Chemistry Katok crossword puzzle
Across
  1. – Physical observation using senses
  2. – Negatively charged ion
  3. – The study of composition, properties and behavior of matter.
  4. – Does not depend on the amount of matter
  5. – Process of evaporation
  6. – the qualitative relationship of reactants by products in a balance equation
  7. – Transformation of matter of which the composition change
  8. – Slippery and soapy structure
  9. – the study of carbon and its compounds
  10. - Electrons that are found on the outer shell of an element.
  11. – A complete transfer of electron from one atom to another
  12. – Measured with specific units
  13. – The act of mixing or the state of being mixed
  14. – The structure changes but the composition does not
  15. – Pouring gently the liquid to separate from solid particle
  16. – Involves of sharing of electron
Down
  1. – A size or extent of something base on standard
  2. – Separation of liquid with solid
  3. – Positively charged ion
  4. Acid – HClO2
  5. – Anything that occupies space
  6. – A way of writing/ expressing large numbers into small numbers
  7. – Atoms of the same element but differ in atomic mass/weight
  8. – When matter does not change its original composition
  9. – Molecules are tightly bonded to one another
  10. Attraction – A build up of charge on the surface
  11. Acid – HClO3
  12. – Composed of two or more elements
  13. – One of the simplest constituent principles, or parts of which anything consists
  14. – Has no definite shape but it adapts the shape of its container

30 Clues: Acid – HClO2 • Acid – HClO3 • – Positively charged ion • – Negatively charged ion • – Process of evaporation • – Anything that occupies space • – Slippery and soapy structure • – Measured with specific units • – Separation of liquid with solid • – Involves of sharing of electron • – Composed of two or more elements • – Physical observation using senses • ...

Chemistry & Matter 2014-02-23

Chemistry & Matter crossword puzzle
Across
  1. made of two or more substances,elements, or compounds that are together in the same place but not chemically combined
  2. machine that moves atomic nuclei at high speeds until they crash into one another
  3. groups of two or more atoms held together by chemical bonds
  4. mixture in which substances are evenly distributed throughout the mixture
  5. shows the elements in the compound and the ratio of atoms
  6. elements in group 3, through 12 of periodic table
  7. mixture in which pure substances are unevenly distributed throughout the mixture
  8. a force of attraction between two atoms
  9. the basic particle from which all elements are made
  10. a single kind of matter, has a specific set of properties
  11. measure of the average energy of random motion of particles of matter
  12. mixture that forms when one substance dissolves another
  13. ability of an object to transfer heat or electricity to another object
  14. the average mass of all the isotopes of the element
  15. group 2 of periodic table
  16. elements in the same vertical column of the periodic table
  17. term used to describe material that can be pounded into shapes
  18. a one or two letter representation of an element
  19. the total energy of all the particles in an object
  20. any change that alters the form or appearance of matter but does not make any new substance
Down
  1. pure substance that cannot be broken down into another substance by physical or chemical means
  2. matter is not destroyed in any chemical or physical change
  3. study of the properties of matter
  4. produces new substances with properties different from those of the original substance
  5. metals in group 1, from lithium to francium
  6. a chart of the elements showing the repeating pattern of their properties
  7. describes a material that can be pulled into a wire
  8. a change in which energy is taken in
  9. anything that has mass and takes up space
  10. ease and speed with which an element combines, or reacts, with other elements and compounds
  11. mixture of 2 or more elements, one of which is metal
  12. gradual wearing away of a metal element due to chemical reaction
  13. a pure substance made of two or more elements chemically combined in a set ratio
  14. class of elements characterized by physical properties
  15. releases energy
  16. ability to do work or cause change
  17. a horizontal row of elements in the periodic table

37 Clues: releases energy • group 2 of periodic table • study of the properties of matter • ability to do work or cause change • a change in which energy is taken in • a force of attraction between two atoms • anything that has mass and takes up space • metals in group 1, from lithium to francium • a one or two letter representation of an element • ...

Organic Chemistry 2014-04-05

Organic Chemistry crossword puzzle
Across
  1. formed when monomers combine
  2. soap is made by the hydrolysis of fats/oils with _____
  3. fats have the same ester linkage as _____
  4. used to break long-chained alkanes in short-chained alkanes/alkenes
  5. (23.) requires a high temperature and a _____
  6. _____ have a C=C double bond
  7. petroleum is separated into different fractions by _____
  8. a biological catalyst
  9. atom (group) that gives an organic compound its chemical properties
  10. incomplete combustion can also produce _____
  11. only UNSATURATED (9.)s decolourise _____
  12. proteins can be hydrolysed to _____ by heating with hydrochloric acid
  13. compound containing only C and H atoms
  14. alkanes will only react with chlorine in the presence of _____
  15. proteins, fats and carbohydrates are the main _____ in food
Down
  1. C₆H₁₄
  2. (24.) can be made by the oxidation of (25.) with acidified _____(VII)
  3. compounds with alkyl groups sticking out from the main carbon chain
  4. alkanes are generally _____ except for burning
  5. _____ have the general formula Cx(H2O)y
  6. _____ + water -----> ethyl ethanoate + water
  7. compound with the same molecular formula but different structural formulae
  8. group of organic compounds with the same functional group and similar properties
  9. each method of disposing plastic has its _____
  10. in a _____ reaction the monomers join to form a polymer and a small molecule is eliminated
  11. we can use the (25.) produced in fermentation as a _____
  12. we can use paper _____ to identify sugars
  13. the kind of combustion that produces CO2 and H2O
  14. _____ can be made by adding steam to ethene with a catalyst

29 Clues: C₆H₁₄ • a biological catalyst • formed when monomers combine • _____ have a C=C double bond • compound containing only C and H atoms • _____ have the general formula Cx(H2O)y • only UNSATURATED (9.)s decolourise _____ • fats have the same ester linkage as _____ • we can use paper _____ to identify sugars • _____ + water -----> ethyl ethanoate + water • ...

Chemistry Review 2013-12-09

Chemistry Review crossword puzzle
Across
  1. When 2 or more elements come together and bind chemically.
  2. Has an atomic mass of 12.011.
  3. Published the first periodic table in which the elements are arranged by atomic.
  4. Used gold foil experiment to determine that most of an atom's mass is in the nucleus.
  5. Property that can be observed by the 5 senses.
  6. An amount equal to 6.02 x 10^23.
  7. Type of physical property that does not depend on the amount of mass of a substance.
  8. Type of mixture that cannot be easily separated such as Kool-aid, generally a solution.
  9. Variations of an element with different numbers of neutrons.
  10. Dull, brittle, most are gases, poor conductors of heat and electricity.
  11. Horizontal rows of elements on the periodic table.
  12. 2 or more molecules or elements chemically bound to each other and can only be changed by a chemical reaction.
  13. Change that results in new compounds.
  14. Slightly compressible, atoms slide past one another--no fixed shape, but does have a fixed volume.
  15. A group of elements with the same number of valence electrons, and similar characterics including reactivity.
  16. Establishes identity of the element.
  17. The densely packed middle of an atom.
  18. Has the atomic symbol Xe.
Down
  1. Hypothesized that electrons traveled in discrete orbits around the nucleus.
  2. A physical property defined at mass/volume and has units of g/ml org/cm^2.
  3. Negative particle of an atom.
  4. Family with 3 valence electrons.
  5. Type of mixture that can be easily separated such as chunky peanut butter, or stew.
  6. Many data points that are closely grouped together.
  7. The combination of 2 or more substances that does not result in a chemical change.
  8. Good conductor of heat and electricity, malleable, shiny.
  9. Family with an oxidation number of -3.
  10. Type of physical property that depends on the amount of mass of a substance.
  11. Compressible, atoms move quickly and have a large amount of space between them--no fixed shape or volume.
  12. Not compressible, atoms are closely packed and only move slightly--has a fixed shape and volume.
  13. What goes into a chemical reaction.
  14. Found on the periodic table and cannot be separated out to a more pure form.
  15. Attaining the intended target.
  16. Has an atomic number of 17.
  17. A positive ion.
  18. The result of a chemical reaction.
  19. An element that has lost or gained electrons.
  20. Vertical columns of elements on the periodic table.
  21. Has the atomic symbol Na.
  22. Discovered the modern periodic table.
  23. A negative ion.

41 Clues: A positive ion. • A negative ion. • Has the atomic symbol Na. • Has the atomic symbol Xe. • Has an atomic number of 17. • Negative particle of an atom. • Has an atomic mass of 12.011. • Attaining the intended target. • Family with 3 valence electrons. • An amount equal to 6.02 x 10^23. • The result of a chemical reaction. • What goes into a chemical reaction. • ...

Chemistry Words 2014-03-24

Chemistry Words crossword puzzle
Across
  1. Contractive tendency of the surface of a liquid that allows it to resist an external force
  2. Type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance
  3. a unique arrangement of atoms or molecules in a crystalline structure
  4. The process in which a gas escapes through a small hole
  5. Action of bringing liquid to the temperature at which it bubbles and turns into vapor
  6. An element or compound is a phase transition from the liquid phase to a gas phase
  7. To make solid
  8. A solid material whose constituent atoms, molecules, or ions are arranged in an ordered patteren
  9. A piece of homogeneous solid substance having a natural geometrically regular form
  10. a physically distinctive form of matter, such as solid, liquid, gas, or plasma
  11. the smallest group of atoms of a substance that has the overall symmetry of a crystal of that substance
  12. One of several transport phenomena that occur in nature.
Down
  1. The temperature at which a given solid will melt
  2. process of lowering the temperature of a liquid or a gas beliw its freezing point without it becoming a solid
  3. A point on a phase diagram at which both the liquid and gas phases of a substance have the same density
  4. the process in which a liquid turns into a solid
  5. sediments settle down in a different place on the ground
  6. Become liquefied by heat
  7. The ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to, external forces like gravity.
  8. without a clearly defined shape

20 Clues: To make solid • Become liquefied by heat • without a clearly defined shape • The temperature at which a given solid will melt • the process in which a liquid turns into a solid • The process in which a gas escapes through a small hole • sediments settle down in a different place on the ground • One of several transport phenomena that occur in nature. • ...

Chemistry Revision 2014-01-27

Chemistry Revision crossword puzzle
Across
  1. The atoms of halogens are……
  2. He discovered the electron
  3. What is the common name for CaCO3
  4. The series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition
  5. Which gas turns limewater milky?
  6. The time it takes for half of the atoms of a substance to decay
  7. A radioactive isotope used in the treatment of cancer
  8. The elements between the groups 2 and 3 are called the
  9. What are the group seven elements called?
  10. This process is used to find the age of dead organisms by comparing the amounts of two isotopes of carbon.
  11. What is the flame colour for potassium
  12. Plants can create most of the world’s free oxygen through this process
  13. This element is used to make nuclear power
  14. This is one of the types of subatomic particle
Down
  1. The fourth alkali metal
  2. A type of bonding where electrons are transferred from one atom to another
  3. What is the seventh element in the periodic table.
  4. Transition can be hammered into shape without breaking. They are ……
  5. woman discovered radium?
  6. A type of bonding where the electrons are shared
  7. Oxygen and nitrogen can be obtained from liquid air by a process called…
  8. One of the allotropes of carbon which is used in jewellery
  9. The emission of energy as electromagnetic waves or moving subatomic particles
  10. The ore that pure uranium and pure radium can be obtained from.
  11. Hydrogen burns with a……
  12. The space an electron occupies is called an
  13. Elements with the same number or protons and electrons but different numbers of….

27 Clues: The fourth alkali metal • Hydrogen burns with a…… • woman discovered radium? • He discovered the electron • The atoms of halogens are…… • Which gas turns limewater milky? • What is the common name for CaCO3 • What is the flame colour for potassium • What are the group seven elements called? • This element is used to make nuclear power • ...

Chemistry Crossword 2014-05-21

Chemistry Crossword crossword puzzle
Across
  1. A type of metal extraction by heat
  2. Its chemical formula is Cu5FeS4
  3. Shows and classifies all 118 known types of atoms(elements)
  4. The symbol of this element is N
  5. Group number in periodic table is 1 and period in periodic table is 4
  6. Is a common metal that can only be extractedusing electrolysis
  7. The most common method of obtaining metals
  8. Are chemical substances that make up rocks
  9. The alloy that is used for silver coins
  10. Contains 20% chronium and 10% nickel to stop it from rusting
  11. The least common group in the periodic table
  12. A scale that measures the amount of pure gold in jewellery
Down
  1. Are lustrous, malleable and ductile
  2. Is the closest we get to pure iron in everyday materials
  3. The main component of steel
  4. Metal most abundant in Australian silver coins, common to both brass and bronze
  5. Superheated liquids in the earths crust
  6. Cracks in the rocks where minerals are formed
  7. Cannot be used as pure elements, are too soft to be made into anything useful
  8. The building blocks from which everything else is made
  9. Formed by sediments deposited on the sea floor
  10. Another type of metal extraction by heat
  11. A metal combined with another element
  12. Pure Iron with small amounts of carbon added
  13. Is a rock that has sufficient metal making it worthwhile to mine

25 Clues: The main component of steel • Its chemical formula is Cu5FeS4 • The symbol of this element is N • A type of metal extraction by heat • Are lustrous, malleable and ductile • A metal combined with another element • Superheated liquids in the earths crust • The alloy that is used for silver coins • Another type of metal extraction by heat • ...

Chemistry Crossword 2014-11-24

Chemistry Crossword crossword puzzle
Across
  1. The ability of something to float
  2. Particles with no charge
  3. The occurrence when an atom is atracted or repelled to/against each other
  4. A material that is bendable
  5. The tempature that makes a solid turn into a liquid
  6. The resistance (or thickness) to flow in a liquid
  7. Special features,traits, and/or attributes of materials found in the universe
  8. The tempature when a gas becomes a liquid
  9. The tempature that makes a liquid turn into a gas
  10. A material that can be changed into a different shape without breaking
  11. An object can be changed into a wire if it has ___________
  12. Water molecules special bond that helps them stick together is called ___________
  13. When a solid turns directly into a gas without going through the liquid state
  14. Water atoms that are going crazy with all kinds of energy
Down
  1. Replacing matter with another kind of matter
  2. Positivly charged particles
  3. The tempature that makes a liquid turn into a solid
  4. People that lived a long time ago and mixed chemicals together to see what would happen were called ______________
  5. This word means how shiny something is
  6. This is a property of matter that tells us how much matter is inside something
  7. A state of matter that is free to flow but has a specific volume
  8. A state of matter with particles that don't have a specific volume or shape
  9. A solid without shape
  10. Two differnt elements combined to make something new
  11. How much mass is in a certain volume of matter
  12. Negativly charged particles
  13. An atom that does not have the right number of electrons
  14. The amount of space something takes up is called _________
  15. Liquid atoms that have changed into a gas
  16. The smallest chemical unit of matter known to man

30 Clues: A solid without shape • Particles with no charge • Positivly charged particles • A material that is bendable • Negativly charged particles • The ability of something to float • This word means how shiny something is • The tempature when a gas becomes a liquid • Liquid atoms that have changed into a gas • Replacing matter with another kind of matter • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. Without it you pretty much die
  2. New substance produced in a chemical reaction
  3. Takes place when two or more substances react to create a new one
  4. John Dalton's model
  5. Most explosive element on the periodic table
  6. When a metal and non-metal combine
  7. Positive particle in the nucleus of an atom
  8. The smallest part of an element
  9. Releases energy
  10. Change in appearance or state
  11. Negative particle that orbits the nucleus in an atom
  12. Slow chemical change that occurs when oxygen reacts with a metal
  13. This element is found in many swimming pools
  14. Absorbs energy
Down
  1. _________+ Oxygen= H20
  2. It is present in bananas
  3. Chemical reaction that takes place in cells
  4. First scientist to organize the elements into a chart
  5. Element that has metallic and non-metallic properties
  6. table in which the elements are organized
  7. Chemical reaction that occurs when oxygen reacts with a substance
  8. Substance that helps a chemical reaction proceed more quickly
  9. Aurum is another name for this element
  10. Most reactive non-metals
  11. Neutral particle in the nucleus of an atom

25 Clues: Absorbs energy • Releases energy • John Dalton's model • _________+ Oxygen= H20 • It is present in bananas • Most reactive non-metals • Change in appearance or state • Without it you pretty much die • The smallest part of an element • When a metal and non-metal combine • Aurum is another name for this element • table in which the elements are organized • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. releases heat energy.
  2. a table in which the elements are organized by their physical and chemical properties.
  3. a change where two or more substances react to create a new substance.
  4. a mixture of two or more pure substances that look like one.
  5. number of protons in the nucleus in one atom of an element.
  6. mass of one atom or an element.
  7. absorbs heat energy.
  8. a substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties.
Down
  1. substance that helps speed up a chemical reaction.
  2. a combination of pure substances, not a compound.
  3. a chemical reaction that occurs when oxygen reacts with a substance to form a new substance, the process is fast.
  4. group one elements in the periodic table.
  5. a substance made up of only one kind or matter, which has a unique set of properties.
  6. a pure substance that cannot be broken down into other substances, only one type of atom.
  7. a change that results when two or more substances react to create a different substance.
  8. a change in appearance or state of a substance that does not change composition.
  9. an experiment in which all the reactants and all products of a chemical reaction are accounted for.
  10. a cloudy mixture where tiny particles of one substance are held within another and the particles cannot be separated out of the other substance.
  11. chemical combination of two or more elements in a specific ratio.
  12. a new substance produced in a chemical reaction between reactants.
  13. an atom or a group of atoms that has become electrically charged because it has lost or gained electrons.
  14. group 17 elements on the periodic table.
  15. is a slow chemical change that occurs when oxygen in the air reacts with a metal.
  16. an experiment in which one or more products of a chemical reaction can escape.

24 Clues: absorbs heat energy. • releases heat energy. • mass of one atom or an element. • group 17 elements on the periodic table. • group one elements in the periodic table. • a combination of pure substances, not a compound. • substance that helps speed up a chemical reaction. • number of protons in the nucleus in one atom of an element. • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. An enzyme found in plant and animal cells.
  2. The smallest part of an element that is representative of that element.
  3. Invisible negatively charged particle that orbits the nucleus of an atom.
  4. Vertical column of elements in the table.
  5. Produced when two non-metals are combined.
  6. Can be in-between metals and non-metals.
  7. Produced when a metal and non-metal are combined.
  8. Positively charged particle in the nucleus of an atom.
  9. Came from the Greek word,"khemia" meaning juice of a plant.
  10. Positive charges.
  11. The number that represents the amount of atoms in a chemical formula.
  12. Substances that start a reaction.
  13. The positive charged centre of an atom.
  14. A chemical change, which releases heat energy
Down
  1. Anything that has mass and occupies space.
  2. Substance(s) created by a reaction.
  3. A slow chemical reaction in which the metal is decomposed when it reacts with oxygen.
  4. Group 9, period 6.
  5. Neutral particle in the nucleus of an atom.
  6. The speed of a chemical reaction.
  7. Measure of atomic mass; (amu).
  8. Group 15, period 7.
  9. An organic catalyst.
  10. Horizontal row of elements in the periodic table.
  11. Most reactive non-metals.

25 Clues: Positive charges. • Group 9, period 6. • Group 15, period 7. • An organic catalyst. • Most reactive non-metals. • Measure of atomic mass; (amu). • The speed of a chemical reaction. • Substances that start a reaction. • Substance(s) created by a reaction. • The positive charged centre of an atom. • Can be in-between metals and non-metals. • Vertical column of elements in the table. • ...

chemistry lab 2014-11-08

chemistry lab crossword puzzle
Across
  1. positively charged center of an atom
  2. description of a solid that can be stretched into a long wire
  3. slow chemical change that occurs when oxygen in air reacts with metals
  4. Change a change in where 2 or more substances react to create a new substance with completely different properties
  5. vertical column of elements in the periodic table
  6. Metals group 1 in the periodic table, not including hydrogen
  7. dull, brittle element that does not conduct electricity
  8. Solution a solution in which water is the solvent
  9. Formula combination of symbols that represent a compound
  10. Number number of protons in the nucleus of one atom of an element
  11. change of state from a solid to a liquid
  12. Gases group 18 in the periodic table
  13. combination of pure substances
  14. an atom that has become electrically charged
  15. System an experiment in which all reactants and all products of a chemical reaction are accounted for
Down
  1. amount of mass in a given volume of a substance
  2. anything that has mass and occupies space
  3. change of state from a gas to a solid
  4. substance that helps a chemical reaction to proceed more quickly
  5. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. description of a substance that can be rolled or pounded into sheets
  7. group 17 in the periodic table of elements
  8. chemical combination of two or more elements in a specific ratio
  9. pure substance made up of only one type atom
  10. Mass mass of one element of an atom

25 Clues: combination of pure substances • positively charged center of an atom • Mass mass of one element of an atom • Gases group 18 in the periodic table • change of state from a gas to a solid • change of state from a solid to a liquid • anything that has mass and occupies space • group 17 in the periodic table of elements • pure substance made up of only one type atom • ...

Chemistry Crossword 2014-11-06

Chemistry Crossword crossword puzzle
Across
  1. change of state from solid to a gas
  2. positively charged centre of an atom; contains protons and neutrons
  3. chemical reaction that absorbs energy
  4. property that describes the physical appearance and composition of a substance
  5. refers to three common states in which matter can exist: solid, liquid, and gas
  6. dull,brittle element that does not conduct electricity
  7. cloudy mixture in which tiny particles of one substance are held within one another, and the particles can be separated out
  8. positively charged particle in the nucleus of an atom
  9. a table in which the elements are organized by their physical and chemical properties
  10. group 17 elements in the periodic table; the most reactive non-metals
  11. change of state from a solid to a liquid
  12. substance that helps a chemical reaction to proceed more quickly
  13. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  14. a system of easy-to-see warning symbols on hazardous materials
  15. group 1 element in the periodic table, not including hydrogen; most reactive of the metals
  16. element that has both metallic and non-metallic properties
Down
  1. characteristic that describes a particular substance
  2. pure substance formed when at least one metal and one non-metal combine
  3. homogeneous mixture; mixture of two or more pure substances that looks like one substance
  4. combination of symbols that represent a compound
  5. characteristics that can be used to describe a substance
  6. an experiment in which one or more products of chemical reaction can escape
  7. the smallest part of an element that is representative of the element
  8. is anything that has mass and occupies space
  9. fourth state of matter

25 Clues: fourth state of matter • change of state from solid to a gas • chemical reaction that absorbs energy • change of state from a solid to a liquid • is anything that has mass and occupies space • combination of symbols that represent a compound • characteristic that describes a particular substance • positively charged particle in the nucleus of an atom • ...