chemical reaction Crossword Puzzles

Enzymes Crossword Puzzle 2024-04-25

Enzymes Crossword Puzzle crossword puzzle
Across
  1. Substances that start a chemical reaction and are transformed during it
  2. Substance that increases the rate of a chemical reaction without being consumed
  3. Building blocks of proteins
  4. Factor that affects enzyme activity
  5. The substance on which an enzyme acts
  6. Relates to an enzyme's ability to choose exactly one substrate
  7. Part of the enzyme where the substrate binds
  8. Tube that connects the throat to the stomach
Down
  1. Process in which proteins lose their structure due to external stress
  2. Juices Fluids in the stomach that aid in digestion
  3. Fluid in the mouth that contains enzymes like amylase
  4. Enzyme that helps digest carbohydrates
  5. Energy The minimum energy needed to start a chemical reaction
  6. Organ system responsible for breaking down food and absorbing nutrients
  7. Substances that result from a chemical reaction
  8. Enzyme that breaks down hydrogen peroxide into water and oxygen
  9. Process where substances are transformed into different substances
  10. Scale used to measure how acidic or basic a solution is
  11. Model explaining how enzymes and substrates fit together
  12. Large molecules composed of amino acids, essential for body functions
  13. Enzyme in the stomach that breaks down proteins in food
  14. Enzyme that breaks down fats
  15. Biological catalyst that speeds up chemical reactions in cells

23 Clues: Building blocks of proteins • Enzyme that breaks down fats • Factor that affects enzyme activity • The substance on which an enzyme acts • Enzyme that helps digest carbohydrates • Part of the enzyme where the substrate binds • Tube that connects the throat to the stomach • Substances that result from a chemical reaction • Juices Fluids in the stomach that aid in digestion • ...

Unit 11 Redox Review 2023-05-11

Unit 11 Redox Review crossword puzzle
Across
  1. when an atom gains or loses electrons to have a charge
  2. the side of the cell where oxidation occurs
  3. a cell in which a spontaneous reaction turns chemical energy into electrical energy
  4. a reaction that requires additional energy in order for it to happen
  5. shows which elements were oxidized or reduced as well as indicates how many electrons were lost of gained
  6. the decomposition of a compound
  7. this part of the reaction will always have an oxidation state of zero
  8. a cell in which a battery is needed for a nonspontaneous reaction to turn electric energy into chemical energy
  9. a reaction that can happen on its own
  10. the losing of electrons in a reaction
  11. a reaction where you need to use table J to determine which metal will replace the metal in a compound
Down
  1. the only category of chemical reactions that is NOT a redox reaction
  2. the charge on an element
  3. location of the flow of electrons
  4. the ions that don't have a change in oxidation state
  5. the gaining of electrons in a reaction
  6. a reaction in which there is a simultaneous transfer of electrons
  7. the side of the cell where reduction occurs
  8. when the total charge of the reactants equals the total charge of the products
  9. allows ions to flow between half cells

20 Clues: the charge on an element • the decomposition of a compound • location of the flow of electrons • a reaction that can happen on its own • the losing of electrons in a reaction • the gaining of electrons in a reaction • allows ions to flow between half cells • the side of the cell where oxidation occurs • the side of the cell where reduction occurs • ...

Best word thing ever 2014-03-25

Best word thing ever crossword puzzle
Across
  1. 2 or more molecules or compounds
  2. the chemicals made by the equation
  3. particles of energy that comes out of the nucleus of an atom
  4. positive particles in an atom found in the nucleus
  5. a reaction with oxygen (burning)
  6. table an arrangement of all known elements in order of their size and structure
  7. of mass mass is always the same at the start and end of a reaction
  8. Change new chemical formed, not easily reversed
  9. 2 or more different atoms joined together
  10. Number number of protons plus neutrons in an atom
  11. smallest particle of matter that contains equal number of positive and…
  12. two or more atoms joined together
  13. when two smaller chemicals join in a reaction
Down
  1. of reaction how fast a reaction happens
  2. the chemicals used at the start of a reaction
  3. neutral particles in an atom found in the nucleus
  4. the solid produced when two liquids react
  5. equation shows what chemicals are at the start and the end of a reaction
  6. new chemicals are made
  7. when a chemical breaks apart into 2 or more chemicals in a reaction
  8. smaller negative particles orbiting the nucleus
  9. Property change in appearance, easily visible
  10. when chemicals swap partners in a reaction
  11. pure substances containing only one type of atom
  12. number number of protons in an atom

25 Clues: new chemicals are made • 2 or more molecules or compounds • a reaction with oxygen (burning) • two or more atoms joined together • the chemicals made by the equation • number number of protons in an atom • of reaction how fast a reaction happens • the solid produced when two liquids react • 2 or more different atoms joined together • ...

Semester 1 Biology Crossword Puzzle 2021-01-26

Semester 1 Biology Crossword Puzzle crossword puzzle
Across
  1. A volcanic eruption would be what kind of limiting factor?
  2. When a molecule of a solvent passes through a membrane from a low concentration to a higher concentration it is known as what?
  3. What kind of environment would a cell have to be placed in, in order for water to leave the cell?
  4. If an organism has stable chemical and physical conditions, what is it considered to be at?
  5. A chemical reaction cannot occur because there is not any oxygen present. This chemical reaction would be considered what?
  6. A chemical reaction may not be able to occur if not enough energy is present. What is the energy called that is needed for a chemical reaction to occur?
  7. You throw a ball across the room. What human body system allowed you to move your arm in order to throw the ball?
  8. What kind of environment would a cell have to be placed in, in order for water to enter the cell?
  9. What reaction converts oxygen and glucose into water and carbon dioxide?
  10. In the chemical reaction that makes ammonia, iron helps speed up the reaction. In this situation, what does the iron act as?
  11. You are at a stop light that has just turned green so you put pressure on your gas pedal. Which human body system sent signals that allowed you to preform this action?
  12. two molecules of water sticking to each other would be considered what?
Down
  1. A chemical reaction occurs even though no oxygen is present. This chemical reaction would be considered what?
  2. The oxygen content in blood decreases to 50% when entering the right side of the heart, and increases to 95% when entering the left side. What is this is an example of?
  3. The availability of food would be what kind of limiting factor?
  4. A crab moving to a new beach with more resources would be considered what?
  5. The circulatory system in the human body is also what other kind of system?
  6. In the human body, what things combine to make proteins necessary for life?
  7. What reaction converts carbon dioxide and water into oxygen and glucose?
  8. A rabbit moving out of a forest because there are limited resources would be considered what?
  9. You run a mile, and start breathing heavily. Which human body system is allowing you to breathe in this way?
  10. A bee pollinating a flower would be classified as which type of relationship?
  11. When there is an equal concentration of molecules on each side of a membrane during osmosis it is referred to as what?
  12. Reaction occurring in the mitochondrial matrix that produces carbon dioxide, NADH, FADH2, and ATP.
  13. Starch, glycogen, and cellulose are examples of what?

25 Clues: Starch, glycogen, and cellulose are examples of what? • A volcanic eruption would be what kind of limiting factor? • The availability of food would be what kind of limiting factor? • two molecules of water sticking to each other would be considered what? • What reaction converts carbon dioxide and water into oxygen and glucose? • ...

Chemistry: Types of Bonds and Reactions 2023-04-20

Chemistry: Types of Bonds and Reactions crossword puzzle
Across
  1. A chemical reaction where two compounds trade placements to create an insoluble solid.
  2. Atoms that are grouped with the same name because they have the same number of protons.
  3. A type of electron in the highest energy level that are involved in bonding.
  4. The charge of a cation.
  5. An ion formed by gaining valence electrons.
  6. A chemical reaction where a hydrocarbon is combined with oxygen to form carbon dioxide and water.
  7. Type of bond between an anion and cation.
  8. A column of elements with the same number of valence electrons on the Periodic Table.
  9. The charge of an anion.
  10. The charge on an Aluminum ion.
  11. The charge on an Oxygen ion (oxide ion).
  12. An ion formed by losing valence electrons.
Down
  1. A chemical reaction where low complexity chemicals combine to form a larger, more complex compound.
  2. A chemical reaction where a lower reactivity element is replaced in a compound by a higher reactivity element.
  3. Type of bond between metals freely sharing valence electrons.
  4. Protons - Electrons = _______________
  5. A chemical reaction where a single large compound breaks apart into smaller, less complex chemicals.
  6. A row representing an energy level on the Periodic Table.
  7. Type of bond between two neutral atoms sharing valence electrons.
  8. A full set of valence electrons.

20 Clues: The charge of a cation. • The charge of an anion. • The charge on an Aluminum ion. • A full set of valence electrons. • Protons - Electrons = _______________ • The charge on an Oxygen ion (oxide ion). • Type of bond between an anion and cation. • An ion formed by losing valence electrons. • An ion formed by gaining valence electrons. • ...

Y8 Chemical Reactions Crossword 2025-02-04

Y8 Chemical Reactions Crossword crossword puzzle
Across
  1. A chemical which can cause inflammation
  2. When a liquid turns into a gas. We can heat a solution gently to remove a solvent from it.
  3. A chemical which neutralises an acid
  4. The chemicals formed at the end of a reaction
  5. A chemical that speeds up the rate of a reaction but is not used up in the reaction.
  6. A surface which allows light (or other waves) to bounce off it
  7. combustion A chemical reaction which occurs when fuel is burnt with plenty of oxygen
  8. The chemicals needed to start a reaction
  9. A reaction which occurs when an acid is added to an alkali
  10. A solution that contains hydrogen and has a sharp sour taste
  11. Rings like a bell when struck
  12. Caused by excess acid being produced in the stomach and escaping to areas where cells are not protected from it.
  13. Can be bent into a shape
  14. A force that holds to atoms together
  15. scale A scale of numbers used to identify the strength of an acid or alkali.
  16. Treat acidic soil with lime to reduce the pH and ensure better growth of certain crops
  17. Can be drawn into wires
  18. When a solute dissolves in a solvent
  19. A chemical produced by neutralisation that has a metal part and a non-metal part.
  20. A reaction which gives out energy.
Down
  1. The process by which a solid forms, where the atoms or molecules are highly organised into a structure known as a crystal.
  2. When a substance gains oxygen
  3. A chemical reaction which occurs when a fuel reacts with oxygen
  4. indicator A type of indicator which can tell you the strength of an acid or alkali
  5. A reaction which takes in energy
  6. When iron has reacted with water and air
  7. Symbols and numbers showing which elements have been chemically bonded together to make the compound.
  8. A substance that changes colour depending on the solution it is in.
  9. When a metal becomes dull in colour due to a reaction with oxygen
  10. A compound that contains hydrogen and carbon only
  11. A symptom of indigestion; a pain in the chest due to excess acid in the gullet/oesophagus.
  12. A solution in which no more solute will dissolve.
  13. A mixture of gases that surround the Earth
  14. A solution that contains oxygen and hydrogen usually used in cleaning products
  15. A chemical which can damage living tissue
  16. combustion A chemical reaction which occurs when fuel is burnt with little oxygen
  17. variable The thing which is measured in an experiment
  18. variable The thing which is changed in an experiment
  19. A paper indicator for acids and alkalis

39 Clues: Can be drawn into wires • Can be bent into a shape • When a substance gains oxygen • Rings like a bell when struck • A reaction which takes in energy • A reaction which gives out energy. • A chemical which neutralises an acid • A force that holds to atoms together • When a solute dissolves in a solvent • A chemical which can cause inflammation • ...

Y8 Chemical Reactions Crossword 2025-02-04

Y8 Chemical Reactions Crossword crossword puzzle
Across
  1. Can be bent into a shape
  2. Can be drawn into wires
  3. A chemical which can cause inflammation
  4. Symbols and numbers showing which elements have been chemically bonded together to make the compound.
  5. A symptom of indigestion; a pain in the chest due to excess acid in the gullet/oesophagus.
  6. Data (usually numbers) that can take any value
  7. A series of steps used to test a question
  8. Data that can be put into categories
  9. solution A solution in which no more solute will dissolve.
  10. A substance that changes colour depending on the solution it is in.
  11. A chemical that speeds up the rate of a reaction but is not used up in the reaction.
  12. A chemical which neutralises an acid
  13. A chemical which can damage living tissue
  14. of mass The mass of the reactants to equal to the mass of the products
  15. A force applied to an area caused by particles hitting the surface of an object
  16. variable The thing which is measured in an experiment
  17. When iron has reacted with water and air
  18. A chemical produced by neutralisation that has a metal part and a non-metal part.
  19. scale A scale of numbers used to identify the strength of an acid or alkali.
  20. The process by which a solid forms, where the atoms or molecules are highly organised into a structure known as a crystal.
  21. The chemicals needed to start a reaction
  22. Caused by excess acid being produced in the stomach and escaping to areas where cells are not protected from it.
  23. reaction A reaction which takes in energy
  24. When a substance gains oxygen
Down
  1. Treat acidic soil with lime to reduce the pH and ensure better growth of certain crops
  2. reaction A reaction which gives out energy
  3. combustion A chemical reaction which occurs when fuel is burnt with plenty of oxygen
  4. A reaction between an acid and a base to produce a salt plus water
  5. variable The thing which is changed in an experiment
  6. body temperature The temperature of the body at its’ core - in humans it is around 37.5oC
  7. indicator A type of indicator which can tell you the strength of an acid or alkali
  8. A group of different tissues working together to carry out a similar process
  9. A compound that contains hydrogen and carbon only
  10. A solution that contains oxygen and hydrogen usually used in cleaning products
  11. A chemical reaction which occurs when a fuel reacts with oxygen
  12. Rings like a bell when struck
  13. A solution that contains hydrogen and has a sharp sour taste
  14. combustion A chemical reaction which occurs when fuel is burnt with little oxygen
  15. incomplete combustion A chemical reaction which occurs when fuel is burnt with very little oxygen
  16. A mixture of gases that surround the Earth
  17. A surface which allows light (or other waves) to bounce off it
  18. The chemicals formed at the end of a reaction
  19. A reaction which gives out energy.
  20. A condition when the body becomes too cold and can no longer function properly
  21. When a solute dissolves in a solvent
  22. A force that holds to atoms together
  23. A type of indicator for acids and alkalis
  24. When a liquid turns into a gas. We can heat a solution gently to remove a solvent from it.
  25. A reaction which occurs when an acid is added to an alkali
  26. When a metal becomes dull in colour due to a reaction with oxygen

50 Clues: Can be drawn into wires • Can be bent into a shape • Rings like a bell when struck • When a substance gains oxygen • A reaction which gives out energy. • Data that can be put into categories • A chemical which neutralises an acid • When a solute dissolves in a solvent • A force that holds to atoms together • A chemical which can cause inflammation • ...

AP Chemistry Vocabulary 3 2024-03-25

AP Chemistry Vocabulary 3 crossword puzzle
Across
  1. A chemical equation that shows the complete chemical formulas of reactants and products
  2. Acids capable of donating more than one proton per molecule in a chemical reaction
  3. A change in the state of matter without a change in its chemical composition
  4. Regions within an energy level where electrons are likely to be found
  5. The amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius
  6. Models that use electron pair repulsion theory to predict the three-dimensional shapes of molecules
  7. he energy possessed by a system due to its position or configuration
  8. Having a negative Gibb's Free Energy
  9. The quantitative study of reactants and products in chemical reactions
  10. Compounds with the same molecular formula but different structural arrangements
  11. Chemical reactions in which two or more substances combine to form a new compound
  12. The overall energy change that occurs during a chemical reaction:
  13. Electrons occupying the outermost energy level of an atom, determining its chemical properties
  14. The tendency of a substance to evaporate or change into a vapor, particularly at low temperatures
  15. The immediate environment and conditions affecting a chemical reaction or system
  16. A technique used to study the energy levels of atoms and molecules by analyzing the energy of emitted photons
  17. Describing forces or interactions that push objects away from each other
  18. A model used to describe the arrangement of electrons in an atom, with electrons occupying energy levels or shells
  19. A region in an atom where there is a high probability of finding an electron:
  20. Occurring naturally without external intervention
  21. A reaction where the rate of reaction is not influenced by the concentration of reactants, products, or catalysts
  22. The negative logarithm of the acid dissociation constant
  23. The property of the surface of a liquid that allows it to resist an external force
  24. The negative logarithm of the hydroxide ion concentration in a solution
  25. Component dissolved in a solvent to form a homogeneous mixture
  26. A chemical reaction that proceeds with a rate proportional to the concentration of two reactants
  27. A chemical reaction involving only one reactant molecule
  28. The measure of a fluid's internal friction and resistance to flow, often influenced by temperature and molecular size:
  29. A measure of a chemical cell's voltage under standard conditions
  30. Alloy in which some of the atoms of the main metal are replaced by atoms of other elements
  31. The branch of physical science that studies the relations between heat and other forms of energy
  32. A formula that indicates the types of atoms and the number of each type in a molecule
  33. Chemical reactions involving the transfer of electrons between reactants
  34. The speed at which a chemical reaction takes place
  35. The tendency of a species to gain electrons and be reduced during a redox reaction
  36. The change in enthalpy that accompanies the formation of one mole of a substance from its elements in their standard states
  37. The highest energy state along the reaction pathway, where reactant bonds are breaking and product bonds are forming
Down
  1. The repeating pattern of chemical and physical properties of elements in the periodic table
  2. Acids that only partially ionize in solution, resulting in a weak acidic behavior
  3. The sequence of individual chemical reactions that occur during the overall reaction process
  4. The state where the rates of dissolution and precipitation of a solute from a solution are equal
  5. A solid formed during a chemical reaction in a liquid solution
  6. The fundamental constant representing the relationship between the energy of a photon and its frequency
  7. The ratio of the concentrations of products to reactants in a chemical reaction at any point in time
  8. A unit used in chemistry to represent an amount of substance, approximately 6.022 × 10^23 entities
  9. Neutral subatomic particles found in the nucleus of an atom:
  10. The complex interplay of intermolecular forces and temperature that governs the pressure exerted by a substance's vapor
  11. The portion of the universe under investigation in a thermodynamic process
  12. The distance between successive crests, troughs, or any other adjacent points in a wave
  13. The rate at which products reform reactants in a chemical reaction
  14. A homogeneous mixture formed by dissolving one or more substances in a solvent
  15. The component of a solution that dissolves the solute
  16. A substance that has a constant composition and distinct properties
  17. A measure of the acidity or basicity of a solution
  18. A covalent bond formed by the overlap of p orbitals above and below the plane of bonded atoms
  19. Acid that can donate only one proton per molecule in a chemical reaction
  20. A covalent bond formed by the overlap of atomic orbitals along the internuclear axis
  21. A constant representing the product of the concentrations of the dissolved ions in a saturated solution of a sparingly soluble salt
  22. The measure of energy transferred when a force acts upon an object over a distance
  23. A species formed and consumed during the course of a chemical reaction, but does not appear in the overall reaction equation
  24. A theory that describes the behavior of electrons in molecules in terms of their wave-like properties
  25. Positively charged subatomic particles found in the nucleus of an atom
  26. A model used to describe the behavior of electrons in atoms and molecules based on the principles of quantum mechanics
  27. The state where no net transfer of heat occurs between a system and its surroundings
  28. The maximum amount of solute that can be dissolved in a solvent under specific conditions
  29. Acids that ionize completely in solution, producing a high concentration of H⁺ ions
  30. Packets of electromagnetic energy that carry light
  31. The substance upon which an enzyme acts in a chemical reaction
  32. The process of determining the concentration of a solution by reacting it with a solution of known concentration
  33. Groups of atoms held together by chemical bonds
  34. A solution of known concentration used to determine the concentration of another solution

71 Clues: Having a negative Gibb's Free Energy • Groups of atoms held together by chemical bonds • Occurring naturally without external intervention • A measure of the acidity or basicity of a solution • Packets of electromagnetic energy that carry light • The speed at which a chemical reaction takes place • The component of a solution that dissolves the solute • ...

Changes in matter 2025-04-24

Changes in matter crossword puzzle
Across
  1. Substance that speeds up a chemical reaction
  2. atoms connected
  3. chemical components
  4. amount of matter
  5. a substance
  6. scientific study of composition structure
  7. chemical substance
  8. transferring heat
  9. atoms combine
Down
  1. attraction of molecules
  2. amount of energy transfer
  3. 3D space
  4. smallest unit matter can be divided into
  5. substances converted
  6. average kinetic energy
  7. stuff,takes up space
  8. elements combine
  9. a pure substance

18 Clues: 3D space • a substance • atoms combine • atoms connected • amount of matter • elements combine • a pure substance • transferring heat • chemical substance • chemical components • substances converted • stuff,takes up space • average kinetic energy • attraction of molecules • amount of energy transfer • smallest unit matter can be divided into • scientific study of composition structure • ...

Chemistry Crossword 2024-11-21

Chemistry Crossword crossword puzzle
Across
  1. when 2 liquids are mixed to produce a solid
  2. example-something turns pink to clear
  3. ingredients for a chemical reaction
  4. occurs when bonds break and new bonds form
  5. symbols and numbers showing the types of elements and how many there are in a molecule
  6. the bottom of a liquid in a graduated cylinder
Down
  1. larger number in front of a chemical formula that tells how many molecules there are
  2. what you measure mass with
  3. energy change reaction that does not change the temperature
  4. a change that does not change the substance
  5. a reaction that releases heat
  6. what is made in a chemical reaction
  7. a reaction that absorbs heat
  8. smaller number in a chemical formula that tells how many atoms of that element there are in the molecule
  9. holds atoms together in a molecule
  10. usually happens in the form of a change in temperature
  11. bubbles tell us this is produced

17 Clues: what you measure mass with • a reaction that absorbs heat • a reaction that releases heat • bubbles tell us this is produced • holds atoms together in a molecule • what is made in a chemical reaction • ingredients for a chemical reaction • example-something turns pink to clear • occurs when bonds break and new bonds form • a change that does not change the substance • ...

Chemical Economics C3 2015-04-27

Chemical Economics C3 crossword puzzle
Across
  1. ____ is an example of a drug made by Batch process
  2. In an ______ reaction, bonds are made
  3. Ammonia is an example of a chemical made by _____ process
  4. Is the mass of the product desired made as a percentage of all products made
  5. In an ______ reaction, bonds are broken
  6. To work out rate of reaction from a graph, you need to find the ______
  7. ________ is the sum of all relative atomic masses in a formula
  8. ______ surface area will increase the rate of reaction
  9. By increasing the _____, particles are more likely to frequently, successfully collide
  10. In an exothermic reaction, ____ energy is released
  11. _______ is used to tell if a chemical is pure or not
Down
  1. ______ is used to heat water by a liquid fuel
  2. It is important to use __________ to calculate energy transferred
  3. Diamond is used in jewellery because it is _____
  4. In a chemical reaction, mass is always ______
  5. Industries want to make reactions ____
  6. Making medicine is expensive because of the cost of _____ _____
  7. A _____ allotrope can be used to cage smaller molecules as a cancer drug
  8. An _____ is a different structural form of an element
  9. To work out percentage yield, you must divide the _____ yield by the desired yield
  10. _____ is used to make pencils
  11. For a chemical reaction to occur, there needs to a successful _____
  12. Continuous processes cost less money as it is _____

23 Clues: _____ is used to make pencils • In an ______ reaction, bonds are made • Industries want to make reactions ____ • In an ______ reaction, bonds are broken • ______ is used to heat water by a liquid fuel • In a chemical reaction, mass is always ______ • Diamond is used in jewellery because it is _____ • ____ is an example of a drug made by Batch process • ...

Chemistry Crossword Puzzle 2022-11-18

Chemistry Crossword Puzzle crossword puzzle
Across
  1. a chemical reaction of a powerful release when oxygen is added
  2. a substance made up of two or more elements
  3. a number that comes after an elemental symbol
  4. replacement a chemical reaction where one reactant exchanges one of its elements with another reactant
  5. a charged atom
  6. an element that you start with in a reaction
  7. an element that isn't naturally found by itself in nature
Down
  1. a chemical reaction where one or more elements is broken down into one or more elements
  2. a number you place in front of a reactant; used to balance equations
  3. a chemical reaction where two reactants exchange one element
  4. a bond between two non-metal atoms
  5. the resulting substance of a reaction
  6. a chemical reaction where the reactants combine to create a brand new product
  7. a bond between a non-metal atom and a metal atom

14 Clues: a charged atom • a bond between two non-metal atoms • the resulting substance of a reaction • a substance made up of two or more elements • an element that you start with in a reaction • a number that comes after an elemental symbol • a bond between a non-metal atom and a metal atom • an element that isn't naturally found by itself in nature • ...

Chemistry of Life 2024-01-25

Chemistry of Life crossword puzzle
Across
  1. the distribution of electrical charge over atoms that are bonded.
  2. water molecules bond with other water molecules to produce surface tension.
  3. a substance that dissolves another substance.
  4. the result of a chemical reaction
  5. substances that participate in a chemical reaction.
  6. polymer composed of amino acids linked by peptide bonds.
  7. a state in which opposing forces are balanced.
  8. molecule that makes up proteins; composed of carbon, hydrogen, oxygen, and nitrogen.
  9. a substance being dissolved.
Down
  1. molecule composed of carbon, hydrogen, and oxygen which can include sugars or starches.
  2. molecule that carries genetic information which is used to make proteins.
  3. the minimum quantity of energy required for a chemical reaction to begin.
  4. single molecules
  5. fatty acid
  6. large, carbon-based molecule formed by monomers.
  7. the bond between a hydrogen atom and an oxygen or nitrogen atom.
  8. substance that decreases activation energy and increases reaction rate in a chemical reaction.

17 Clues: fatty acid • single molecules • a substance being dissolved. • the result of a chemical reaction • a substance that dissolves another substance. • a state in which opposing forces are balanced. • large, carbon-based molecule formed by monomers. • substances that participate in a chemical reaction. • polymer composed of amino acids linked by peptide bonds. • ...

Chemistry of Life 2024-01-25

Chemistry of Life crossword puzzle
Across
  1. fatty acid
  2. the result of a chemical reaction
  3. the minimum quantity of energy required for a chemical reaction to begin.
  4. a substance that dissolves another substance.
  5. water molecules bond with other water molecules to produce surface tension.
  6. molecule that makes up proteins; composed of carbon, hydrogen, oxygen, and nitrogen.
  7. single molecules
Down
  1. molecule composed of carbon, hydrogen, and oxygen which can include sugars or starches.
  2. a state in which opposing forces are balanced.
  3. a substance being dissolved.
  4. substance that decreases activation energy and increases reaction rate in a chemical reaction.
  5. substances that participate in a chemical reaction.
  6. molecule that carries genetic information which is used to make proteins.
  7. the distribution of electrical charge over atoms that are bonded.
  8. the bond between a hydrogen atom and an oxygen or nitrogen atom.
  9. polymer composed of amino acids linked by peptide bonds.
  10. large, carbon-based molecule formed by monomers.

17 Clues: fatty acid • single molecules • a substance being dissolved. • the result of a chemical reaction • a substance that dissolves another substance. • a state in which opposing forces are balanced. • large, carbon-based molecule formed by monomers. • substances that participate in a chemical reaction. • polymer composed of amino acids linked by peptide bonds. • ...

Chemistry Crossword 2024-11-21

Chemistry Crossword crossword puzzle
Across
  1. when 2 liquids are mixed to produce a solid
  2. example-something turns pink to clear
  3. ingredients for a chemical reaction
  4. occurs when bonds break and new bonds form
  5. symbols and numbers showing the types of elements and how many there are in a molecule
  6. the bottom of a liquid in a graduated cylinder
Down
  1. larger number in front of a chemical formula that tells how many molecules there are
  2. what you measure mass with
  3. energy change reaction that does not change the temperature
  4. a change that does not change the substance
  5. a reaction that releases heat
  6. what is made in a chemical reaction
  7. a reaction that absorbs heat
  8. smaller number in a chemical formula that tells how many atoms of that element there are in the molecule
  9. holds atoms together in a molecule
  10. usually happens in the form of a change in temperature
  11. bubbles tell us this is produced

17 Clues: what you measure mass with • a reaction that absorbs heat • a reaction that releases heat • bubbles tell us this is produced • holds atoms together in a molecule • what is made in a chemical reaction • ingredients for a chemical reaction • example-something turns pink to clear • occurs when bonds break and new bonds form • a change that does not change the substance • ...

Jena Brown Chapter 13 2016-10-10

Jena Brown Chapter 13 crossword puzzle
Across
  1. the big number of a chemical equation
  2. the energy stored in molecules that can be released during a reaction
  3. two elements change teams
  4. energy is transferred to reactants from surroundings
  5. this must be added to break bonds
  6. a substance that undergoes a chemical change
Down
  1. the small number of a chemical equation
  2. one element changes teams
  3. hydrogen and carbon are
  4. the reaction that breaks down the compound
  5. this reaction is shown by oxides
  6. a substance that is the result of a chemical change
  7. the reaction that builds a bigger compound
  8. are exothermic and endothermic reactions energy reactions or chemical reactions
  9. energy transfers from reactants to surroundings

15 Clues: hydrogen and carbon are • one element changes teams • two elements change teams • this reaction is shown by oxides • this must be added to break bonds • the big number of a chemical equation • the small number of a chemical equation • the reaction that breaks down the compound • the reaction that builds a bigger compound • a substance that undergoes a chemical change • ...

7C3 Revision Crossword Puzzle 2022-05-27

7C3 Revision Crossword Puzzle crossword puzzle
Across
  1. Substances with a pH exactly 7.
  2. Adding oxygen to a substance.
  3. The elements or compounds produced by a chemical reaction.
  4. A reversible change.
  5. The force that holds two atoms together.
  6. A chemical substance that is present at the start of a chemical reaction.
  7. A substance with a pH under 7.
  8. Magnesium oxide + nitric acid.
  9. A way of writing out what happens in a chemical reaction.
Down
  1. Using heat to break a compound down.
  2. An irreversible change.
  3. The reaction of acids and alkalis.
  4. Measures how acidic or alkaline a substance is.
  5. The smallest living part of an element.
  6. What forms when acids react with bases.
  7. A substance with a pH over 7.

16 Clues: A reversible change. • An irreversible change. • Adding oxygen to a substance. • A substance with a pH over 7. • A substance with a pH under 7. • Magnesium oxide + nitric acid. • Substances with a pH exactly 7. • The reaction of acids and alkalis. • Using heat to break a compound down. • The smallest living part of an element. • What forms when acids react with bases. • ...

Chemical Reaction Crossword Puzzle 2023-11-06

Chemical Reaction Crossword Puzzle crossword puzzle
Across
  1. a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
  2. the production of chemical compounds by reaction from simpler materials.
  3. loss of hydration
  4. substance able to increase the rate of a chemical reaction without itself being consumed or changed by the reacting chemicals
  5. (of a reaction or process) accompanied by the release of heat.
  6. substance that takes part in and undergoes change during a reaction
Down
  1. (of a reaction or process) accompanied by or requiring the absorption of heat
  2. symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formulae.
  3. substances formed from a chemical reaction
  4. the processes by which chemicals interact to form new chemicals with different compositions.
  5. a reaction in which one element is substituted for another element in a compound.
  6. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

12 Clues: loss of hydration • substances formed from a chemical reaction • (of a reaction or process) accompanied by the release of heat. • substance that takes part in and undergoes change during a reaction • the production of chemical compounds by reaction from simpler materials. • (of a reaction or process) accompanied by or requiring the absorption of heat • ...

Ch 9 2023-03-22

Ch 9 crossword puzzle
Across
  1. a chemical equation is the number written in front of a reactant or product
  2. an ionic equation that shows all of the particles in a solution as they exist
  3. ionic equation ionic equations that include only the particles that participate in the reaction
  4. reaction a chemical reaction in which two or more substances react to produce a single product
  5. equation a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction
  6. contains one or more substances called solutes dissolved in water
  7. the most plentiful substance in the solution
  8. the starting substances
Down
  1. a reaction in which the atoms of one element replace the atoms of another element in a compound
  2. reaction the process by which the atoms of one or more substances are rearranged to form different substances
  3. ions that do not participate in a reaction
  4. involves an exchange of ions between two compounds
  5. a solid produced during a chemical reaction in a solution
  6. reaction is one in which a single compound breaks down into two or more elements or new compounds
  7. reaction oxygen combines with a substance and releases energy in the form of heat and light
  8. the substances formed during the reaction

16 Clues: the starting substances • the substances formed during the reaction • ions that do not participate in a reaction • the most plentiful substance in the solution • involves an exchange of ions between two compounds • a solid produced during a chemical reaction in a solution • contains one or more substances called solutes dissolved in water • ...

S2I6 E 1&2 Chemical Reactions Vocabulary 2025-04-25

S2I6 E 1&2 Chemical Reactions Vocabulary crossword puzzle
Across
  1. A chemical change in which one element replaces a second element in a compound.
  2. A chemical equation that does not indicate the relative amounts of the reactants and products.
  3. For a typical chemical reaction, the mass of the products is always equal to the mass of the reactants.
  4. For a typical chemical reaction, energy is neither created nor destroyed.
  5. A chemical change in which two or more substances react to form a single new substance.
  6. Bonds are broken when molecules collide with enough energy.
  7. Reactions that release net energy into the surroundings.
  8. A compound composed of hydrogen and carbon.
  9. A chemical change in which an element or a compound reacts with oxygen.
Down
  1. Lists the relative reactivities of elements within groups, such as metals and halogens.
  2. The speed at which reactants become products.
  3. Substances present before a reaction.
  4. A chemical change involving an exchange of positive ions between two compounds.
  5. The numbers in front of terms used to balance and equation so it obeys the las of conservation of mass.
  6. A chemical change in which a single compound breaks down into two or more products.
  7. The energy stored in the chemical bonds of a substance.
  8. Reactions that absorb net energy from the surroundings.
  9. Substances present after a reaction.

18 Clues: Substances present after a reaction. • Substances present before a reaction. • A compound composed of hydrogen and carbon. • The speed at which reactants become products. • The energy stored in the chemical bonds of a substance. • Reactions that absorb net energy from the surroundings. • Reactions that release net energy into the surroundings. • ...

Chemical Reactions 2020-04-08

Chemical Reactions crossword puzzle
Across
  1. a process by where one or two substances undergo change
  2. a colorless, odorless flammable gas
  3. basic unit of chemical element
  4. starting material in chemical reaction
  5. a particular kind of matter with uniform properties
  6. a number below element telling how many atoms
  7. large number telling how many molecules of substance
  8. the quality of being hot;high temperature
  9. power derived from the utilization of physical or chemical resources
  10. The amount of product obtained in a chemical reaction
Down
  1. accompanied by the release of heat
  2. a colorless, odorless reactive gas
  3. state of matter formed from solid and liquid states
  4. a bond of atoms
  5. substances formed from chemical reaction
  6. a body having finite mass
  7. a stable particle with positive charge
  8. a symbolic representation of a compound
  9. requiring the absorption of heat

19 Clues: a bond of atoms • a body having finite mass • basic unit of chemical element • requiring the absorption of heat • accompanied by the release of heat • a colorless, odorless reactive gas • a colorless, odorless flammable gas • starting material in chemical reaction • a stable particle with positive charge • a symbolic representation of a compound • ...

Introduction to Chemical Reactions 2024-04-09

Introduction to Chemical Reactions crossword puzzle
Across
  1. one or two letters used to represent an element
  2. the substance that is formed from a chemical reaction
  3. a solid that forms from a solution during a chemical reaction
  4. a substance that cannot be broken down into simpler substances by ordinary chemical processes
  5. uses symbols and formulas to show chemical reactions
  6. the substance that undergoes the chemical change
  7. a chemical reaction in which heat is given off
Down
  1. matter is neither created or destroyed during physical or chemical changes there is alwasy teh same number of each atom on both sides of the equation
  2. the study of properties, composition, and structure of substances
  3. a process in which substances undergo chemical change
  4. the regular sized numbers in front of the molecules that tell you how many are in each substance
  5. the arrow in a chemical equation
  6. a chemical reaction where heat is lost
  7. the number after the element
  8. the smallest unit into which matter can be broken down

15 Clues: the number after the element • the arrow in a chemical equation • a chemical reaction where heat is lost • a chemical reaction in which heat is given off • one or two letters used to represent an element • the substance that undergoes the chemical change • uses symbols and formulas to show chemical reactions • a process in which substances undergo chemical change • ...

Basics of Chemistry- Chapter 12 2019-04-02

Basics of Chemistry- Chapter 12 crossword puzzle
Across
  1. The center of an atom
  2. No fixed volume or shape
  3. The basic unit of matter
  4. Takes the shape of the container
  5. A molecule containing 2 or more atoms of the same element
  6. Chemical reaction that a significant amount of heat
  7. The simplest form of chemical matter
  8. The chemistry that studies substances that contain carbon
  9. Properties determined by a chemical reaction and change in the substance
Down
  1. A chemical combination of 2 or more atoms of different elements
  2. Has rigid fixed shape and volume
  3. Any substance that occupies space
  4. A chemical combination of tow or more atoms in fixed proportions
  5. The chemistry that studies substances that do no contain carbon
  6. Properties that do not involve a chemical change
  7. Oxidation-reduction- chemical reaction

16 Clues: The center of an atom • No fixed volume or shape • The basic unit of matter • Has rigid fixed shape and volume • Takes the shape of the container • Any substance that occupies space • The simplest form of chemical matter • Oxidation-reduction- chemical reaction • Properties that do not involve a chemical change • Chemical reaction that a significant amount of heat • ...

Changes In Matter: Lessons 1 & 2 2024-06-04

Changes In Matter: Lessons 1 & 2 crossword puzzle
Across
  1. NEW SUBSTANCES CREATED AFTER A CHEMICAL CHANGE.
  2. THE MOST REACTIVE HALOGEN GAS.
  3. METAL USED ON SPACECRAFTS.
  4. METAL USED FOR WHEEL BRAKES ON SPACE SHUTTLES.
  5. SUBSTANCES BEFORE A CHEMICAL CHANGE.
  6. THE MOST REACTIVE METALS ON THE PERIODIC TABLE.
  7. SOMETHING THAT ALLOWS HEAT & ELECTRICITY TO FLOW THROUGH EASILY.
  8. WHEN METAL CHANGES COLOR FROM REACTING WITH OXYGEN OR SULFUR.
  9. HOW EASILY A SUBSTANCE TAKES PART IN A CHEMICAL REACTION.
Down
  1. THE SOFTEST METAL.
  2. ANOTHER NAME FOR IRON OXIDE.
  3. DURING A CHEMICAL REACTION, THE ATOMS & MOLECULES IN THE REACTANTS ARE ___________.
  4. A METAL THAT MELTS AT 30°C.
  5. A MIXTURE OF TWO OR MORE METALS AND NONMETALS.
  6. A GOOD CONDUCTOR OF HEAT AND ELECTRICITY.
  7. A LIQUID METAL USED IN BAROMETERS & THERMOMETERS.
  8. AN ALLOY MADE OF COPPER AND TIN.
  9. THE TOTAL MASS OF THE REACTANTS EQUALS THE TOTAL ________ OF THE PRODUCTS.
  10. ANOTHER NAME FOR A CHEMICAL CHANGE IS A CHEMICAL ___________.
  11. SOMETHING THAT HEAT & ELECTRICITY WON'T FLOW THROUGH EASILY.

20 Clues: THE SOFTEST METAL. • METAL USED ON SPACECRAFTS. • A METAL THAT MELTS AT 30°C. • ANOTHER NAME FOR IRON OXIDE. • THE MOST REACTIVE HALOGEN GAS. • AN ALLOY MADE OF COPPER AND TIN. • SUBSTANCES BEFORE A CHEMICAL CHANGE. • A GOOD CONDUCTOR OF HEAT AND ELECTRICITY. • METAL USED FOR WHEEL BRAKES ON SPACE SHUTTLES. • A MIXTURE OF TWO OR MORE METALS AND NONMETALS. • ...

Chemistry First Six Weeks Crossword 2024-09-18

Chemistry First Six Weeks Crossword crossword puzzle
Across
  1. - A scale used to measure the acidity or basicity of a solution.
  2. - A substance that accepts protons (H⁺ ions) or donates hydroxide ions (OH⁻) in a chemical reaction.
  3. - A group of atoms bonded together, representing the smallest unit of a chemical compound.
  4. - A measure of an atom's ability to attract and hold onto electrons in a chemical bond.
  5. - The substance in which a solute is dissolved to form a solution.
  6. - A homogeneous mixture of two or more substances.
  7. - A substance formed as a result of a chemical reaction.
  8. - The speed at which a chemical reaction occurs.
  9. - The distance from the nucleus of an atom to the outermost electron shell.
  10. - The calculation of reactants and products in chemical reactions based on the balanced equation.
  11. - A substance formed when two or more elements are chemically bonded together.
  12. - A substance that dissociates into ions when dissolved in water, conducting electricity.
  13. - A substance that donates protons (H⁺ ions) in a chemical reaction.
  14. - A covalent bond where electrons are shared equally between two atoms.
  15. - A substance that undergoes a chemical change in a reaction.
  16. - The branch of chemistry that studies the heat changes that occur during chemical reactions.
Down
  1. - A measure of the concentration of a solution, defined as moles of solute per liter of solution.
  2. - The force that holds atoms together in a molecule or compound.
  3. - The substance that is dissolved in a solvent to form a solution.
  4. - Electrons in the outermost shell of an atom that are involved in chemical bonding.
  5. - A substance that increases the rate of a chemical reaction without being consumed in the process.
  6. - The basic unit of a chemical element, consisting of a nucleus and electrons.
  7. - A type of chemical bond where electrons are transferred from one atom to another, creating ions.
  8. - A type of chemical bond where atoms share electrons.
  9. - A tabular arrangement of elements based on their atomic number and chemical properties.
  10. - Atoms of the same element with different numbers of neutrons and different mass numbers.
  11. - An atom or molecule that has gained or lost one or more electrons, resulting in a charged particle.
  12. - A pure substance consisting entirely of one type of atom.
  13. - A covalent bond in which electrons are not shared equally between the two atoms.
  14. - The energy required to remove an electron from an atom or ion in its gaseous state.

30 Clues: - The speed at which a chemical reaction occurs. • - A homogeneous mixture of two or more substances. • - A type of chemical bond where atoms share electrons. • - A substance formed as a result of a chemical reaction. • - A pure substance consisting entirely of one type of atom. • - A substance that undergoes a chemical change in a reaction. • ...

Georgie's Crossword Puzzle 2024-05-15

Georgie's Crossword Puzzle crossword puzzle
Across
  1. Chemical reactions that absorb heat energy
  2. Material that has mass and takes up space
  3. Combined substances that can be physically separated
  4. Forces that hold atoms together
  5. The smallest unit of an element
  6. A substance that is formed when elements combine
  7. The amount of matter in an object
  8. Two or more atoms bonded together
  9. A substance that cannot be destroyed
  10. Represents before a chemical change
  11. A characteristic that is measurable and seen during a chemical reaction
  12. Same substance molecules sticking together
Down
  1. Bubbling, Change of substance, change of color, sizzles, and a new odor
  2. A characteristic that can be seen
  3. A substance after a chemical reaction
  4. The amount of Space that an object takes up
  5. The ability to do work or cause a change
  6. A reaction that gives off heat energy

18 Clues: Forces that hold atoms together • The smallest unit of an element • A characteristic that can be seen • The amount of matter in an object • Two or more atoms bonded together • Represents before a chemical change • A substance that cannot be destroyed • A substance after a chemical reaction • A reaction that gives off heat energy • The ability to do work or cause a change • ...

Investigation 9 Crossword 2014-03-10

Investigation 9 Crossword crossword puzzle
Across
  1. the starting substances of a chemical reaction; the ingredients
  2. the basic unit of a chemical element
  3. made up of
  4. a sentence showing a relationship, usually has a + and ->
  5. to serve as a sign for
  6. not straight
  7. Oxygen, Hydrogen, and Carbon are examples of this
  8. attractive forces that hold atoms together
Down
  1. To breathe out
  2. not able to be dissolved
  3. characteristics of something
  4. to come together
  5. Magnesium sulfate, calcium chloride are examples of this
  6. the ending substances of a chemical reaction; what is made
  7. Reaction a process that changes one set of chemicals into another
  8. to do something against your will
  9. unlike anything else
  10. move into a different position
  11. System used as an example

19 Clues: made up of • not straight • To breathe out • to come together • unlike anything else • to serve as a sign for • not able to be dissolved • System used as an example • characteristics of something • move into a different position • to do something against your will • the basic unit of a chemical element • attractive forces that hold atoms together • ...

Science VoCab 2024-05-15

Science VoCab crossword puzzle
Across
  1. How much something weighs
  2. The smallest type of matter made by protons and nuetrons
  3. The substance that is present at the end of a chemical reaction
  4. Change Vinegar and baking soda
  5. Takes up space and has weight
  6. When water sticks onto a plant
  7. Property Color
  8. A substance made of only 1 type of atom
  9. When chemicals combine and something blows up
  10. Something you measure with a thermometer
  11. The space inside a tub- Volume
  12. The substance that is before the chemical reaction
Down
  1. A compound made of two or more chemical components that are not chemically linked
  2. Two or more atoms combine to form a small unit of matter
  3. Heat,light and ____ are released from a fire
  4. When a substance changes color that is a _____ Change
  5. H20 is formed molecule COMBINE together
  6. A branch of science which is chemistry
  7. Holds molecules together
  8. Property Flammability
  9. A fire lets off ___
  10. A chemical change that releases heat
  11. When a chemical change absorbs heat

23 Clues: Property Color • A fire lets off ___ • Holds molecules together • How much something weighs • Property Flammability • Takes up space and has weight • When water sticks onto a plant • The space inside a tub- Volume • Change Vinegar and baking soda • When a chemical change absorbs heat • A chemical change that releases heat • A branch of science which is chemistry • ...

Matter and Energy in Ecosystems Vocabulary 2024-03-27

Matter and Energy in Ecosystems Vocabulary crossword puzzle
Across
  1. A type of atom used to make CO2 and glucose
  2. A gas made of carbon and oxygen
  3. An organism that breaks down dead matter for energy
  4. The organelle that does cellular respiration in a cell
  5. The ability to cause change
  6. An organism that can make it's own food
  7. The smallest units of life
  8. The chemical process that plants use to make glucose
  9. A molecule animals can use to store energy
  10. Living things
  11. ____ matter. Non-living parts of an ecosystem
  12. An energy storage molecule made by photosynthesis
  13. The part of a plant cell where photosynthesis happens
Down
  1. A closed ecosystem made by humans
  2. An organism that needs to eat to gain energy
  3. A chemical used up by a chemical reaction
  4. A chemical created by a chemical reaction
  5. All the biotic and abiotic things in an area
  6. Cellular ___. The chemical reaction that gets energy out of glucose.
  7. The smallest units of matter

20 Clues: Living things • The smallest units of life • The ability to cause change • The smallest units of matter • A gas made of carbon and oxygen • A closed ecosystem made by humans • An organism that can make it's own food • A chemical used up by a chemical reaction • A chemical created by a chemical reaction • A molecule animals can use to store energy • ...

IPC - MT 5 2023-12-11

IPC - MT 5 crossword puzzle
Across
  1. type of decay in which an atom splits and emits an alpha particle consisting of two protons and two neutrons
  2. the minimum amount of energy required to start a chemical reaction
  3. big number out front of an element or formula used to balance chemical equations
  4. type of reaction that requires the presence of oxygen
  5. the breakdown of a radioactive element, releasing particles and energy
  6. the splitting of a massive nucleus into smaller nuclei, releasing energy
  7. a fat that is liquid at room temperature; found in vegetable oils, nuts, and seeds
  8. the length of time required for half of the radioactive atoms in a sample to decay
  9. elements or compounds that enter into a chemical reaction
Down
  1. type of decay that releases gamma rays from a nucleus
  2. element used for fusion energy produced by the sun
  3. the process by which two or more small nuclei fuse to make a bigger nucleus
  4. the SI base unit to measure the amount of a substance
  5. the elements or compounds produced by a chemical reaction
  6. the smallest possible mass of a fissionable material that can sustain a chain reaction
  7. type of radioactive decay in which an electron is emitted
  8. energy that is radiated or transmitted in the form of rays, waves, or particles
  9. a substance that speeds up the rate of a chemical reaction but is not used up in the reaction

18 Clues: element used for fusion energy produced by the sun • type of decay that releases gamma rays from a nucleus • the SI base unit to measure the amount of a substance • type of reaction that requires the presence of oxygen • the elements or compounds produced by a chemical reaction • type of radioactive decay in which an electron is emitted • ...

Chemical Reactions 2020-04-07

Chemical Reactions crossword puzzle
Across
  1. written after & BELOW elements in chemical formulas
  2. A starting material in a chemical reaction(left side)
  3. representation of a chemical reaction
  4. mass is neither created or destroyed
Down
  1. Solid produced from 2 liquids in a chemical reaction
  2. Gas given off during a chemical reaction
  3. Ending materials in a chemical reaction(right side)
  4. change resulting from a chemical reaction
  5. 2 or more elements chemically combined
  6. substances change to produce different substances
  7. #s written in front an element to balance an equation

11 Clues: mass is neither created or destroyed • representation of a chemical reaction • 2 or more elements chemically combined • Gas given off during a chemical reaction • change resulting from a chemical reaction • substances change to produce different substances • Ending materials in a chemical reaction(right side) • written after & BELOW elements in chemical formulas • ...

Chemical Reactions 2022-04-19

Chemical Reactions crossword puzzle
Across
  1. A small whole number that appears in front of a formula in a balanced chemical equation
  2. A chemical change that involves the exchange of positive ions between two compounds
  3. A chemical reaction that does not indicate the relative amounts of reactants and products
  4. A chemical change in which a single compound is broken down into two or more simpler products
  5. An ion that is not directly involved in a chemical reaction
  6. A chemical change that involves the exchange of positive ions between two ionic compounds in a solution and forms a precipitate
  7. A substance that increases the rate of reaction by lowering the activation-energy barrier
  8. A chemical equation in which mass is conserved
Down
  1. An expression representing a chemical reaction
  2. A chemical change in which one element replaces a second element in a compound
  3. A list of elements in order of decreasing activity
  4. A chemical change in which an element or compound reacts with oxygen
  5. A chemical change in which two or more substances react to form a single new substance
  6. An equation that shows dissolved ionic compounds as dissociated free ions
  7. An equation for a reaction in solution showing only those particles that are directly involved in the chemical change

15 Clues: An expression representing a chemical reaction • A chemical equation in which mass is conserved • A list of elements in order of decreasing activity • An ion that is not directly involved in a chemical reaction • A chemical change in which an element or compound reacts with oxygen • An equation that shows dissolved ionic compounds as dissociated free ions • ...

Chemistry 2017-03-27

Chemistry crossword puzzle
Across
  1. long-chain molecule formed by the joining of many smaller repeating molecules (Monomers)
  2. reaction that involves the breakdown of a compound into simpler substances
  3. reaction/A reaction used to produce solid products from solutions of ionic substances
  4. acid/An acid which most of its molecules release Hydrogen ions into solution
  5. rate/How fast or slow a reaction proceeds
  6. reaction that involves oxygen and releases light and heat energy
  7. mixture of a solute dissolved in a solvent such as water
  8. object or a substance that can be broken down by bacteria
  9. acid/This refers to an acid solution with a high concentration of hydrogen ions
  10. reaction that involves the building up of compounds by combining simpler substances, normally elements
  11. number of active molecules in a set volume of solution
  12. small number of active molecules (such as acid) in a solution
  13. ion/An ion that does not take part in a chemical reaction
  14. small molecule from which polymers are made
Down
  1. of joining of smaller units (Monomers) to form a long-chain molecule (Polymer)
  2. molecule that contains only Carbon and Hydrogen atoms
  3. theory/A theory stating that the particles involved in a chemical order to react
  4. reaction/A reaction that involves the combination of oxygen with a fuel or metal
  5. reaction in which an acid and a base combine to produce a metal salt and water
  6. insoluble compound formed in a precipitation reaction
  7. strong acid readily releases a Hydrogen ion in a chemical reaction; can also be used to describe the bond between different atoms
  8. substance that increases the rate of a reaction but is not used up in the reaction

22 Clues: rate/How fast or slow a reaction proceeds • small molecule from which polymers are made • molecule that contains only Carbon and Hydrogen atoms • insoluble compound formed in a precipitation reaction • number of active molecules in a set volume of solution • mixture of a solute dissolved in a solvent such as water • ...

Chemistry Crossword 2015-11-17

Chemistry Crossword crossword puzzle
Across
  1. Slow chemical change that occurs when oxygen in the air reacts with a metal
  2. When two or more substances react to form a new substance
  3. A table in which the elements are organized by their physical and chemical properties
  4. Change in the appearance or state that does not change the composition
  5. An atom or group of atoms that has become electrically charged because it has lost or gained electrons
  6. Pure substance formed when when two or more non-metals combine
  7. Mixture in which the different substances that make up the mixture are visible
  8. An experiment in which all reactants and all products of a chemical reaction are accounted for
  9. Neutral particle in the nucleus of an atom
  10. New substance produced in a chemical reaction between reactants
  11. Workplace Hazardous Materials Information System
  12. Pure substances that can not be broken down into other substances
  13. Mass of one atom of an element calculated from the total number of protons, neutrons and electrons of an atom.
  14. Anything that has mass and occupies space
Down
  1. Substance made up of only one type of matter, which has a unique set of properties
  2. Substances that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  3. Pure substance formed when at least one metal and non-metal combine
  4. In a chemical reaction, the total mass of the reactants is always equal to the total mass of the products
  5. Invisible negatively charged particle that orbits the nucleus of an atom
  6. Positively charged particle in the nucleus of an atom
  7. Mixture of two or more substances that looks like one substance
  8. Number of protons in the nucleus of one atom of an element
  9. Chemical reaction that absorbs energy
  10. Chemical reaction that releases energy
  11. Positively charged center of an atom that contains protons and neutrons

25 Clues: Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and occupies space • Neutral particle in the nucleus of an atom • Workplace Hazardous Materials Information System • Positively charged particle in the nucleus of an atom • When two or more substances react to form a new substance • ...

Mr Sir 2017-03-29

Mr Sir crossword puzzle
Across
  1. the number of active molecules in a set volume of solution
  2. an object or a substance that can be broken down by bacteria, fungi and other living organisms.
  3. reaction a reaction used to produce solid products from solutions of ionic substances
  4. this refers to an acid solution with a high concentration of hydrogen ions
  5. a reaction that involves oxygen and releases light and heat energy
  6. a theory stating that the particles involved in a chemical reaction must collide in order to react
  7. a reaction that involves the breakdown of a compound into simpler substances
  8. a substance that increases the rate of a reaction but is not used up in the reaction
Down
  1. an acid which most of its molecules release hydrogen ions into solution
  2. a strong acid readily releases a hydrogen ion in a chemical reaction; can also be used to describe the bond between different atoms
  3. a reaction in which an acid and a base combine to produce a metal salt and water
  4. a small molecule from which polymers are made
  5. a molecule that contains only carbon and hydrogen atoms
  6. a reaction that involves the combination of oxygen with a fuel or metal
  7. a small number of active molecules (such as acid) in a solution
  8. rate how fast or slow a reaction proceeds
  9. an insoluble compound formed in a precipitation reaction
  10. a long-chain molecule formed by the joining of many smaller repeating molecules (monomers)
  11. a mixture of solute dissolved in a solvent such as water
  12. a reaction that involves the building up of compounds by combining simpler,normally elements
  13. process of joining smaller units(monomers) to form a long-chain molecule (polymer)
  14. an ion that does not take part in a chemical reaction

22 Clues: rate how fast or slow a reaction proceeds • a small molecule from which polymers are made • an ion that does not take part in a chemical reaction • a molecule that contains only carbon and hydrogen atoms • an insoluble compound formed in a precipitation reaction • a mixture of solute dissolved in a solvent such as water • ...

7th Grade 1st Nine Week Review 2022-09-16

7th Grade 1st Nine Week Review crossword puzzle
Across
  1. definite volume but no definite shape
  2. substance results form a chemical reaction
  3. definite shape and volume
  4. object will sink or float
  5. amount of matter in an object
  6. total mass of the reactants will always equal the mass of the products in a chemical reaction
  7. anything that takes up space and has mass
  8. substances undergoing the change in a chemical reaction
  9. no definite shape or volume
  10. a chemical reaction takes place and at least one new product is made
Down
  1. energy cannot easily pass through material
  2. form that matter exists in
  3. removing sand from water
  4. the physical state of matter is an example of
  5. another term fora characteristic or quality
  6. removing iron from cereal
  7. something that is hard to observe
  8. removing salt from water
  9. a change in the physical properties of a substance
  10. separating oil and water
  11. force of attraction between certain metals
  12. ability that a substance will dissolve
  13. separating gravel from sand
  14. measures how much space matter takes up
  15. energy can easily pass through material

25 Clues: removing sand from water • removing salt from water • separating oil and water • removing iron from cereal • definite shape and volume • object will sink or float • form that matter exists in • separating gravel from sand • no definite shape or volume • amount of matter in an object • something that is hard to observe • definite volume but no definite shape • ...

Water and Weathering 2025-03-10

Water and Weathering crossword puzzle
Across
  1. The sphere that contains all of the water
  2. Chemical reaction between rocks and water
  3. Water is known as the universal ___________
  4. The small pieces of broken rock
  5. A positive and negative side to a molecule
  6. Ice getting inside of a rock to break it apart
  7. The measure of how much heat it takes to change temperature
  8. A mix between solvent and solute
  9. Rocks breaking off in sheets
  10. Chemical reaction between rocks and oxygen
  11. An element's ability to dissolve in water
  12. Chemical reaction between rocks and oranisms
Down
  1. 7 is the pH of _____________
  2. Rocks being broken down by friction, usually with wind or water
  3. When the sediment settles
  4. Something that gets dissolved
  5. Location near Las Vegas that is red from oxidation
  6. An element's ability to attract electrons
  7. Location near Las Vegas where the limestone can be affected by acidification
  8. The breaking down of rocks into small pieces
  9. The movement of sediment
  10. Chemical reaction between rocks and acid

22 Clues: The movement of sediment • When the sediment settles • 7 is the pH of _____________ • Rocks breaking off in sheets • Something that gets dissolved • The small pieces of broken rock • A mix between solvent and solute • Chemical reaction between rocks and acid • The sphere that contains all of the water • An element's ability to attract electrons • ...

The Chemistry of Life continued 2020-11-01

The Chemistry of Life continued crossword puzzle
Across
  1. A large molecule, or macromolecule, made of many monomers bonded together
  2. Both the reactants and products are made at the same rate in both directions resulting in both reactant and product concentrations staying the same
  3. A chemical reaction that releases more energy than it absorbs; the excess energy is often given off as heat or light
  4. energy the amount of energy that needs to be absorbed for a chemical reaction to start
  5. acids Polymers that are made up of monomers called nucleotides (composed of a sugar, ab phospate group, and a nitrogen-containing molecule called a base
  6. molecules composed of carbon, hydrogen, and oxygen; they include sugars and starches
Down
  1. Small molecules which are subunits of an entire, larger molecule
  2. A polymer made of monomers called amino acids
  3. reaction The change of substances into different substances by breaking and forming chemical bonds
  4. acids Molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur; 20 different types
  5. A chemical reaction that absorbs more energy than it releases
  6. The substances made by a chemical reaction
  7. energy The amount of energy that will break a bond between two atoms
  8. non-polar molecule that includes fats, oils, and cholesterol
  9. acids chains of carbon atoms bonded to hydrogen atoms; lipids contain fatty acid chains
  10. The substances changed during a chemical reaction

16 Clues: The substances made by a chemical reaction • A polymer made of monomers called amino acids • The substances changed during a chemical reaction • non-polar molecule that includes fats, oils, and cholesterol • A chemical reaction that absorbs more energy than it releases • Small molecules which are subunits of an entire, larger molecule • ...

Chemical Changes Gizmo Vocabulary Review 2020-09-27

Chemical Changes Gizmo Vocabulary Review crossword puzzle
Across
  1. The total mass of the products and reactants in a chemical reaction are ___.
  2. A number representing the number of atoms of an element in one molecule of a substance.
  3. A substance that changes color when in contact with an acid or base.
  4. An endothermic reaction causes the temperature of a system to ___ from its starting temperature.
  5. Synthesis chemical reactions result in formation of a ___ product from multiple reactants.
  6. A process that causes the system to release heat energy to the surroundings.
  7. No ___ are created or destroyed when a chemical reaction occurs.
Down
  1. A substance that results from (comes out of) a chemical reaction.
  2. Chemical changes result in the formation of new ___.
  3. The Law of the Conservation of matter states that the total amount of matter in a ___ system remains constant.
  4. An exothermic reaction causes the temperature of a system to ___ from its starting temperature.
  5. A process that causes the system to absorb heat energy from the surroundings.
  6. A ___ change is a change that affects the shape or phase of a substance but does not produce new substances.
  7. ___ means to pass into solution.
  8. When a chemical change occurs, ___ holding atoms together are broken and new bonds are formed.
  9. A substance that takes part in (goes in to) and is changed by a chemical reaction.

16 Clues: ___ means to pass into solution. • Chemical changes result in the formation of new ___. • No ___ are created or destroyed when a chemical reaction occurs. • A substance that results from (comes out of) a chemical reaction. • A substance that changes color when in contact with an acid or base. • ...

Module 1 Vocabulary 7th Grade 2023-08-23

Module 1 Vocabulary 7th Grade crossword puzzle
Across
  1. a chemical change in which atoms of one or more substances rearrange to make one or more new substance
  2. a starting substances in a chemical reaction
  3. a type of change in matter where the substances change into another substance with different chemical and physical properties
  4. the amount of space a substance takes up
  5. the mass per unit volume of a substance
  6. a property of matter than can be observed or measured without changing the matter
  7. chemical energy released when atoms form bonds
  8. occurs when substances react with oxidizing agents, changing it to a new substance
  9. the law of conservation of ______ states that energy is always transferring, but cannot be created or destroyed
  10. a reaction where more energy is required to break the bonds of the reactants than is released when products form
Down
  1. a property of matter than can be observed as it changes to a different type of matter
  2. occurs when a substance reacts with another, forming a new substance
  3. the ability of a type of matter to burn easily
  4. the law of conservation of ______ states that the mass of the reactants is the same before and after a chemical reaction
  5. a number placed in front of an element symbol or chemical formula in an equation
  6. a reaction where more energy is released when the product is formed than is required to break the bonds
  7. a substance produced by a chemical reaction
  8. the amount of matter in an object

18 Clues: the amount of matter in an object • the mass per unit volume of a substance • the amount of space a substance takes up • a substance produced by a chemical reaction • a starting substances in a chemical reaction • the ability of a type of matter to burn easily • chemical energy released when atoms form bonds • ...

CHEMICAL REACTION 2022-06-01

CHEMICAL REACTION crossword puzzle
Across
  1. the rusting of iron is a ________reaction
  2. reactions in which one element takes place of another element in a compound
  3. a kind of reaction that releases energy in the form of heat
  4. when no. of atoms of each element are same on both the sides.
  5. a substance which increases the rate of reaction without changing itself
Down
  1. a new substance i.e. formed or produced after a chemical reaction
  2. the addition of oxygen and the removal of hydrogen to a substance
  3. C+O2 gives CO2 is an example of which reaction

8 Clues: the rusting of iron is a ________reaction • C+O2 gives CO2 is an example of which reaction • a kind of reaction that releases energy in the form of heat • when no. of atoms of each element are same on both the sides. • a new substance i.e. formed or produced after a chemical reaction • the addition of oxygen and the removal of hydrogen to a substance • ...

Chemical Change 2024-05-10

Chemical Change crossword puzzle
Across
  1. Change / Any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  2. / The study of matter and how matter changes
  3. System / Matter can enter from or escape to the surroundings
  4. of Mass / A principle that states that during a chemical reaction, matter is not created nor destroyed
  5. Property / Characteristic of a substance that can be observed without changing the substance into another substance
  6. Reaction / A reaction that releases energy in the form of heat
  7. Reaction / A reaction in which energy is absorbed
  8. / The substances you have at the beginning
  9. / A solid that forms from solution during a chemical reaction
  10. / The process when two or more elements or compounds combine to make a more complex substance
Down
  1. / Breaks down compounds into simpler products
  2. / Anything that has mass and takes up space
  3. / When one element replaces another in a compound or when two elements in different compounds trade places
  4. System / Matter is not allowed to enter or leave
  5. Reaction / A change in matter that produces one or more new substances
  6. / When the reaction is complete, you have new substances
  7. Property / Characteristic of a substance that describes its ability to change into other substances.
  8. Equation / A short and easy way to show a chemical reaction using symbols instead of words
  9. / A number placed in front of a chemical formula in an equation

19 Clues: / The substances you have at the beginning • / Anything that has mass and takes up space • / Breaks down compounds into simpler products • / The study of matter and how matter changes • System / Matter is not allowed to enter or leave • Reaction / A reaction in which energy is absorbed • / When the reaction is complete, you have new substances • ...

Stoichiometry Concepts 2024-04-01

Stoichiometry Concepts crossword puzzle
Across
  1. Numbers in front of formulas in a chemical equation.
  2. reaction Process where substances transform into new substances.
  3. Number written below and to the right of chemical symbol.
  4. New substances formed as a result of a chemical reaction.
  5. equation Representation of a chemical reaction using symbols and formulas.
  6. ratio Ratio of moles of one substance to another.
  7. Unit representing amount of substance in a chemical reaction.
  8. Substances that undergo change in a chemical reaction.
Down
  1. number Number of atoms or molecules in one mole.
  2. reactant Reactant that is completely consumed in a reaction.
  3. reactant Reactant that remains after limiting reactant is consumed.
  4. mass Mass of one mole of a substance in grams.
  5. Calculating amounts in chemical reactions using balanced equations.
  6. equation Equation where number of atoms is equal on both sides.
  7. ratio Ratio of masses of substances in a chemical reaction.

15 Clues: mass Mass of one mole of a substance in grams. • number Number of atoms or molecules in one mole. • ratio Ratio of moles of one substance to another. • Numbers in front of formulas in a chemical equation. • Substances that undergo change in a chemical reaction. • Number written below and to the right of chemical symbol. • ...

Stoichiometry Concepts 2024-04-01

Stoichiometry Concepts crossword puzzle
Across
  1. Numbers in front of formulas in a chemical equation.
  2. reaction Process where substances transform into new substances.
  3. Number written below and to the right of chemical symbol.
  4. New substances formed as a result of a chemical reaction.
  5. equation Representation of a chemical reaction using symbols and formulas.
  6. ratio Ratio of moles of one substance to another.
  7. Unit representing amount of substance in a chemical reaction.
  8. Substances that undergo change in a chemical reaction.
Down
  1. number Number of atoms or molecules in one mole.
  2. reactant Reactant that is completely consumed in a reaction.
  3. reactant Reactant that remains after limiting reactant is consumed.
  4. mass Mass of one mole of a substance in grams.
  5. Calculating amounts in chemical reactions using balanced equations.
  6. equation Equation where number of atoms is equal on both sides.
  7. ratio Ratio of masses of substances in a chemical reaction.

15 Clues: mass Mass of one mole of a substance in grams. • number Number of atoms or molecules in one mole. • ratio Ratio of moles of one substance to another. • Numbers in front of formulas in a chemical equation. • Substances that undergo change in a chemical reaction. • Number written below and to the right of chemical symbol. • ...

Chemistry Review 2025-09-12

Chemistry Review crossword puzzle
Across
  1. A group of atoms bonded together
  2. Reaction with oxygen that releases heat and light
  3. Substance formed in a chemical reaction
  4. Starting substance in a chemical reaction
  5. Electrons in the outermost shell
  6. Type of bonding with a ‘sea of electrons’
  7. Scale used to measure acidity or alkalinity
  8. A reaction that releases heat
  9. base Reaction where an acid reacts with a base to form salt and water
  10. A substance that can dissolve in a solvent
  11. Process that uses electricity to split compounds
Down
  1. Reaction where a compound breaks down into simpler substances
  2. Substance that speeds up a reaction without being used up
  3. where two or more substances combine to form one product
  4. A charged particle
  5. An insoluble solid formed in a reaction
  6. Substance that reacts with acids to form salt and water
  7. The smallest unit of matter
  8. Mixture of metals or metals with other elements
  9. Table that arranges elements by atomic number
  10. Reaction between acid and base

21 Clues: A charged particle • The smallest unit of matter • A reaction that releases heat • Reaction between acid and base • A group of atoms bonded together • Electrons in the outermost shell • Substance formed in a chemical reaction • An insoluble solid formed in a reaction • Starting substance in a chemical reaction • Type of bonding with a ‘sea of electrons’ • ...

Chapter 8-10 2014-06-01

Chapter 8-10 crossword puzzle
Across
  1. chemical _____________ is the process by which a chemical change takes place
  2. the change of state in which a solid is transformed directly to a gas without forming a liquid
  3. heat of _______________ is the energy required to vaporize 1 g of substance; for water 2260J are needed to vaporize exactly 1 g of liquid; 1 g of steam gives off 2260 J when it condenses
  4. the change of gas directly to a solid; the reverse of sublimation
  5. _______________ covalent bond is formed when shared electrons are shared equally
  6. the initial substances that undergo change in a chemical reaction
  7. heat of __________ is the energy required to melt exactly 1 g of a substance; for water 334 J are needed to melt 1 g of ice; 334 J are released when 1 g of water freezes
  8. ___________ reactant is the reactant that remains when the limiting reactant is used up in a reaction
  9. the relative ability of an element to attract electrons in a bond
  10. _________ bond is a sharing of two pairs of electrons by two atoms
  11. _____________ covalent bond is formed when shared electrons are shared unequally
  12. ______________ reaction is a reaction wherein the energy of the reactants is greater than that of the products
  13. valence shell electron-pair __________________ theory is a theory that predicts the shape of a molecule by moving the electron groups on a central atom as far as possible to minimize the repulsion of the negative regions
  14. when two atoms share three pairs of electrons _________ bond is formed
Down
  1. _______________ forces are weak dipole bonding that results from a momentary polarization of nonpolar molecules in a substance
  2. a measure of the unequal sharing of electrons, indicated by the difference in electronegativities
  3. the formation of gas (vapor) by the escape of high-energy molecules from the surface of a liquid
  4. the change of state of a gas to a liquid
  5. the substances formed as a result of a chemical reaction
  6. the separation of positive and negative charge in a polar bond indicated by an arrow that is drawn from the more positive atom to the more negative atom
  7. dipole-dipole _________________ are attractive forces between oppositely charged ends of polar molecules
  8. _____________ equation is the final form of a chemical reaction that show the same number of atoms of each element in the reactants and products
  9. ______________ bond is the attraction between a partially positive H and a strongly electronegative atom of F, O, or N
  10. a reaction wherein the energy of the products is greater than that of the reactants and needs energy to occur is called______________ reaction
  11. chemical ____________ is a shorthand way to represent a chemical reaction using chemical formulas to indicate the reactants and products
  12. the reactant used up during chemical reaction, which limits the amount of products that can form is called _________________ reactant

26 Clues: the change of state of a gas to a liquid • the substances formed as a result of a chemical reaction • the change of gas directly to a solid; the reverse of sublimation • the initial substances that undergo change in a chemical reaction • the relative ability of an element to attract electrons in a bond • ...

Chapter 7 Vocab Barton IPS 2024-01-03

Chapter 7 Vocab Barton IPS crossword puzzle
Across
  1. a chemical process in which two or more simple elements or compounds combine to form a more complex product
  2. The substances which participate in a chemical reaction
  3. reactions that absorb (or use) energy
  4. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. occur when parts of two ionic compounds are exchanged, making two new compounds
  6. a chemical reaction that releases energy in the form of heat, light, sound, or electricity
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. a reaction in which one element is substituted for another element in a compound.
  3. the energy which is stored in the bonds of chemical compounds (molecules and atoms)
  4. reactions that involve the transfer of electrons from one species to another
  5. Exothermic, Endothermic, & Chemical Change | Energy ...
  6. a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties
  7. the species formed from chemical reactions
  8. a graphic representation that shows how chemical reactions produce products.
  9. the unit of measurement in the International System of Units (SI) for amount of substance.
  10. the mass of a chemical compound divided by its amount-of-substance measured in moles.

16 Clues: reactions that absorb (or use) energy • the species formed from chemical reactions • Exothermic, Endothermic, & Chemical Change | Energy ... • The substances which participate in a chemical reaction • reactions that involve the transfer of electrons from one species to another • a graphic representation that shows how chemical reactions produce products. • ...

Chapter 1 & 2 Crossword 2025-09-18

Chapter 1 & 2 Crossword crossword puzzle
Across
  1. Two or more elements bond together
  2. The outer shell electrons
  3. Right side of the chemical equation
  4. A type of reaction where elements split apart into two or more parts
  5. A reaction that requires oxygen to survive
  6. Left side of the chemical equation
  7. The building blocks of a compound
  8. The smallest particle that has the properties of an element
Down
  1. A reaction where positive ions and negative ions of two ionic compounds switch partners
  2. A type of reaction where one element replaces another element in a compound
  3. A type of reaction that combines elements together into one thing
  4. Positively charged particle
  5. The rule for the number of electrons in an outer shell
  6. The number that comes after the element symbol and is permanent
  7. Negatively charged subatomic particle
  8. The name of the arrow that separates both sides of a chemical equation
  9. Subatomic particle with a neutral charge
  10. A number that comes before the element symbol and can be changed when balancing chemical equations

18 Clues: The outer shell electrons • Positively charged particle • The building blocks of a compound • Two or more elements bond together • Left side of the chemical equation • Right side of the chemical equation • Negatively charged subatomic particle • Subatomic particle with a neutral charge • A reaction that requires oxygen to survive • ...

Carbon, Functional Groups & Chemical Reactions 2023-09-18

Carbon, Functional Groups & Chemical Reactions crossword puzzle
Across
  1. a long molecule consisting of many similar or identical monomers
  2. the building block; the subunit that serves as the building block of polymers
  3. compounds with the same formula but a different arrangement of atoms
  4. compounds containg ONLY carbon and hydrogen
  5. ******** reaction; making and breaking of bonds
  6. a giant molecule formed by the joining of smaller molecules
  7. ******* compounds; compounds containing carbon
  8. ********** group; groups directly involved in chemical reactions
Down
  1. ********** reaction; reaction involving the addition of water
  2. the material(s) resulting from a chemical reaction
  3. *********** reaction; reaction involving the removal of water
  4. tetravalent atom with six protons
  5. the starting mterial in a chemical reaction

13 Clues: tetravalent atom with six protons • compounds containg ONLY carbon and hydrogen • the starting mterial in a chemical reaction • ******* compounds; compounds containing carbon • ******** reaction; making and breaking of bonds • the material(s) resulting from a chemical reaction • a giant molecule formed by the joining of smaller molecules • ...

Chemistry Final Exam Review 2024-05-01

Chemistry Final Exam Review crossword puzzle
Across
  1. An element can have up to 8 of these electrons
  2. Can increase the rate of a chemical reaction
  3. When a chemical reaction is reversible, it has reached ________________
  4. Energy is absorbed
  5. Proton and Neutron particles are located here
  6. Covalent bonding is between nonmetals and involves the _____________ of electrons
  7. The time it takes for a radioactive isotope to reach 50% decay
  8. Ionic bonding is usually between a metal and nonmetal and involves the __________ of electrons
  9. 6.02 X 10^23
  10. Charged particles
Down
  1. The number of protons; also how elements are arranged on the periodic table
  2. Energy is released
  3. Elements in this order on the periodic table have the same number of valence electrons
  4. Splitting of a larger atom into 2 smaller nuclei
  5. Elements that have different number of neutrons
  6. An example of a chemical reaction, also known as combustion
  7. Salt dissolved in water
  8. Particles surrounding the nucleus
  9. Characteristic that helps water dissolve things
  10. Energy needed to start a chemical reaction

20 Clues: 6.02 X 10^23 • Charged particles • Energy is released • Energy is absorbed • Salt dissolved in water • Particles surrounding the nucleus • Energy needed to start a chemical reaction • Can increase the rate of a chemical reaction • Proton and Neutron particles are located here • An element can have up to 8 of these electrons • Elements that have different number of neutrons • ...

Chemical Reactions 2023-12-02

Chemical Reactions crossword puzzle
Across
  1. The chemicals that go into a chemical reaction.
  2. Matter can neither be created nor destroyed in a chemical reaction is the law of ___.
  3. A combination of symbols and numbers that represents a chemical substance.
  4. Things that are produced during a chemical reaction
  5. A reaction in which heat is absorbed by the reactants.
Down
  1. CH4+O2 --> CO2 + H2O + Heat, what's this reaction called?
  2. Adding this to a reaction speeds up the rate of the reaction
  3. A reaction in which heat is released into the surroundings.
  4. A substance that slows down a chemical reaction.
  5. Rusting is an example of a ___ reaction.
  6. A representation of a chemical reaction using plus signs and an arrow.

11 Clues: Rusting is an example of a ___ reaction. • The chemicals that go into a chemical reaction. • A substance that slows down a chemical reaction. • Things that are produced during a chemical reaction • A reaction in which heat is absorbed by the reactants. • CH4+O2 --> CO2 + H2O + Heat, what's this reaction called? • ...

Chemical Reactions 2013-06-25

Chemical Reactions crossword puzzle
Across
  1. A common product collected in a chemical reaction to determine rate
  2. Piece of equipment used to measure time
  3. energy Minimum amount of energy particles must have to react
  4. Piece of equipment used to transport gases from a conical flask to a gas syringe
  5. To calculate rate of reaction we need to know the amount of product formed (or the amount of reactant used up) & the…
  6. The term used to describe the speed of a chemical reaction
Down
  1. A piece of equipment used to measure the volume of gas produced in a chemical reaction
  2. The things that are produced in a chemical reaction
  3. Piece of equipment used to measure mass
  4. Scientific term for the ‘bump’ between particles
  5. This happens if particles don’t have enough activation energy when they collide
  6. Common unit of time used when measuring rate of reaction
  7. The things we put into a chemical reaction
  8. Rate of reaction is affected by surface area of solids, concentration of liquids, pressure of gases, ___________ & the presence of catalysts

14 Clues: Piece of equipment used to measure mass • Piece of equipment used to measure time • The things we put into a chemical reaction • Scientific term for the ‘bump’ between particles • The things that are produced in a chemical reaction • Common unit of time used when measuring rate of reaction • The term used to describe the speed of a chemical reaction • ...

Stoichimoetry 2023-10-20

Stoichimoetry crossword puzzle
Across
  1. aq
  2. the result of the chemical reaction
  3. atoms can ______ themselves
  4. determines the maximum amount of product that can be formed
  5. 2100g has ____ significant figures
  6. l
  7. heat added to reaction
  8. 120.60g has ____ significant figures
  9. the conversion of one substance to an amount of another
Down
  1. the reactant that is left over after the reaction goes to completion
  2. the amount of product that should be produced as determined by the limiting reactant
  3. g
  4. amount of numbers to the left of a decimal point, the first nonzero digit
  5. number below an element controlling the amount, can't be changed in a balanced equation
  6. number controlling the amount of a group of elements, can be changed
  7. your answer should be rounded to have the _________ of signifigant figures as the least precise measurement
  8. s
  9. 1.7g has ____ significant figures
  10. elements before they're added together in a chemical reaction
  11. atoms are neither created or destroyed during a chemical reaction

20 Clues: g • s • l • aq • heat added to reaction • atoms can ______ themselves • 1.7g has ____ significant figures • 2100g has ____ significant figures • the result of the chemical reaction • 120.60g has ____ significant figures • the conversion of one substance to an amount of another • determines the maximum amount of product that can be formed • ...

Stoichimoetry 2023-10-20

Stoichimoetry crossword puzzle
Across
  1. the conversion of one substance to an amount of another
  2. the amount of product that should be produced as determined by the limiting reactant
  3. the result of the chemical reaction
  4. g
  5. aq
  6. number below an element controlling the amount, can't be changed in a balanced equation
  7. your answer should be rounded to have the _________ of signifigant figures as the least precise measurement
  8. amount of numbers to the left of a decimal point, the first nonzero digit
  9. 120.60 has ____ signifigant figures
Down
  1. heat added to reaction
  2. s
  3. atoms can ______ themselves
  4. determines the maximum amount of product that can be formed
  5. elements before they're added together in a chemical reaction
  6. l
  7. the reactant that is left over after the reaction goes to completion
  8. atoms are neither created or destroyed during a chemical reaction
  9. number controlling the amount of a group of elements, can be changed
  10. 1.7 has ____ significant figures

19 Clues: s • l • g • aq • heat added to reaction • atoms can ______ themselves • 1.7 has ____ significant figures • the result of the chemical reaction • 120.60 has ____ signifigant figures • the conversion of one substance to an amount of another • determines the maximum amount of product that can be formed • elements before they're added together in a chemical reaction • ...

Chemical Reactions And Equations 2024-05-06

Chemical Reactions And Equations crossword puzzle
Across
  1. CuSO4 + Zn →ZnSO4 + ____
  2. chemical reaction that takes place between an oxidizing substance and a reducing substance
  3. Silver when exposed to the atmosphere slowly turns _____
  4. ____+ Br2 → S + 2HBr
  5. The breaking down or destruction of a material, especially a metal, through chemical reactions
  6. 4NH3 + ___ → 4NO + 6H2O
  7. process that occurs when atoms or groups of atoms lose electrons
  8. a process in which one or more substances, the reactants, are converted to one or more different substances, the products
  9. CH4 + O2 → ___+ H2O
Down
  1. a chemical reaction in which an acid and base quantitatively react together to form a salt and water as products
  2. chemical reaction occurring in an aqueous solution where two ionic bonds combine, resulting in the formation of an insoluble salt
  3. substance made up of two or more different chemical elements combined in a fixed ratio
  4. reaction where a substance breaks down into 2 or more substances
  5. a chemical process by which chemical bonds are broken as the result of transfer of light energy
  6. equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products
  7. When fats and oils stay in open for long, they get oxidized and become rancid (old and stale), and their smell and taste change

16 Clues: CH4 + O2 → ___+ H2O • ____+ Br2 → S + 2HBr • 4NH3 + ___ → 4NO + 6H2O • CuSO4 + Zn →ZnSO4 + ____ • Silver when exposed to the atmosphere slowly turns _____ • reaction where a substance breaks down into 2 or more substances • process that occurs when atoms or groups of atoms lose electrons • ...

Ch 9 2023-03-22

Ch 9 crossword puzzle
Across
  1. a chemical equation is the number written in front of a reactant or product
  2. an ionic equation that shows all of the particles in a solution as they exist
  3. ionic equation ionic equations that include only the particles that participate in the reaction
  4. reaction a chemical reaction in which two or more substances react to produce a single product
  5. equation a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction
  6. contains one or more substances called solutes dissolved in water
  7. the most plentiful substance in the solution
  8. the starting substances
Down
  1. a reaction in which the atoms of one element replace the atoms of another element in a compound
  2. reaction the process by which the atoms of one or more substances are rearranged to form different substances
  3. ions that do not participate in a reaction
  4. involves an exchange of ions between two compounds
  5. a solid produced during a chemical reaction in a solution
  6. reaction is one in which a single compound breaks down into two or more elements or new compounds
  7. reaction oxygen combines with a substance and releases energy in the form of heat and light
  8. the substances formed during the reaction

16 Clues: the starting substances • the substances formed during the reaction • ions that do not participate in a reaction • the most plentiful substance in the solution • involves an exchange of ions between two compounds • a solid produced during a chemical reaction in a solution • contains one or more substances called solutes dissolved in water • ...

Controlling Chemical Reactions 2023-12-07

Controlling Chemical Reactions crossword puzzle
Across
  1. the amount of substance in a given volume
  2. the minimum amount of energy needed to start a chemical reaction
  3. the catalyst in the elephant toothpaste reaction
  4. the amount of thermal energy present in a chemical reaction
Down
  1. a chemical reaction which stores energy
  2. a biological catalyst that lowers the activation energy of reactions in cells
  3. the amount of exposed surface able to react
  4. a chemical reaction which releases energy
  5. the chemical formula for hydrogen peroxide
  6. a material used to decrease the rate of a chemical reaction
  7. the flammable gas which caught fire and exploded in the Hindenburg
  8. anything that increases the reaction rate by lowering the activation energy needed

12 Clues: a chemical reaction which stores energy • the amount of substance in a given volume • a chemical reaction which releases energy • the chemical formula for hydrogen peroxide • the amount of exposed surface able to react • the catalyst in the elephant toothpaste reaction • a material used to decrease the rate of a chemical reaction • ...

10/24/2022 2022-10-27

10/24/2022 crossword puzzle
Across
  1. writing prepared by author before it becomes a printed book or article
  2. something/someone one can't beat or succeed
  3. person trained to sell medicine with orders from doctor
  4. person who has same job/employer as another
  5. have room for or do a favor for
  6. adventure, challenge, activity
  7. leader or most important
  8. recognition, reply, response
Down
  1. abundant, overflowing
  2. awake; knowing/aware
  3. chemical reaction that absorbs heat/energy in reactants
  4. substance that speeds up chemical reaction without being changed
  5. daughter of your brother or sister
  6. chemical reaction that creates heat/energy in product
  7. protein that helps chemical reaction take place in a living thing
  8. easily seen/plain

16 Clues: easily seen/plain • awake; knowing/aware • abundant, overflowing • leader or most important • recognition, reply, response • adventure, challenge, activity • have room for or do a favor for • daughter of your brother or sister • something/someone one can't beat or succeed • person who has same job/employer as another • chemical reaction that creates heat/energy in product • ...

Chemical Reactions and Equations 2024-04-29

Chemical Reactions and Equations crossword puzzle
Across
  1. Color of Nitrogen Dioxide fumes
  2. Chemical reactions using words to represent reactants and products
  3. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  4. Color of copper oxide
  5. chemical substances that react together to form a new substance during a chemical reaction
  6. Chemical reactions which involve the transfer of electrons from one chemical substance to another
  7. Catalyst of photolytic decomposition
  8. Gas produced in the cathode during electrolysis
  9. Physical state of substances represented by (aq)
Down
  1. Color of Ferrous Sulphate Hepta-Hydrate
  2. Chemical reactions in which 2 more reactants combine to form one product
  3. Gas produced in the anode during electrolysis
  4. Unbalanced chemical reaction using symbols and formulae or reactants and products
  5. Reactions which produce heat energy
  6. Chemical reactions in which a more reactive element displaces a less reactive element from a compound
  7. Decomposition of a substance on heating

16 Clues: Color of copper oxide • Color of Nitrogen Dioxide fumes • Reactions which produce heat energy • Catalyst of photolytic decomposition • Color of Ferrous Sulphate Hepta-Hydrate • Decomposition of a substance on heating • Gas produced in the anode during electrolysis • Gas produced in the cathode during electrolysis • Physical state of substances represented by (aq) • ...

Using Chemistry and Environmental Chemistry 2013-06-23

Using Chemistry and Environmental Chemistry crossword puzzle
Across
  1. hydrocarbon
  2. energy
  3. combustion
  4. pH
  5. reaction
  6. theory
Down
  1. acidrain
  2. exothermic
  3. oxygen
  4. phlogiston
  5. fuel
  6. displace
  7. chemical
  8. heat

14 Clues: pH • fuel • heat • oxygen • energy • theory • acidrain • displace • chemical • reaction • exothermic • phlogiston • combustion • hydrocarbon

sigma 2024-05-15

sigma crossword puzzle
Across
  1. a pure substance that is formed when two or more different elements combine; can usually be separated into component elements by chemical reaction
  2. an element or compound (related words: chemist, chemistry)
  3. two or more atoms joined together (related word: molecular)
  4. a combination of substances that can be physically separated from one ano
  5. the transfer of thermal energy
  6. a measure of the average kinetic energy of the atoms in a system, used to express thermal energy in degrees
  7. the amount of matter in an object
Down
  1. the amount of space that an object occupies, measured in liters or centimeters cubed
  2. a weak type of chemical link between a negatively charged atom and a hydrogen atom that is bonded to another negatively charged atom
  3. the substances that are formed during a chemical reaction; in a chemical reaction the arrows point toward the product
  4. property a characteristic that can be observed (intensive), such as texture, color, odor, melting point, boiling point, density, or measured (extensive) such as mass, length, volume, that is used to describe matter and can be observed or measured without changing its composition
  5. change a change in matter that does not affect its chemical composition
  6. the smallest unit of an element that has the properties of that element (related word: atomic)
  7. a chemical change; a process that changes substances into new substances (related word: chemical change)
  8. material that has mass and takes up some amount of space
  9. change a chemical reaction; a process that changes substances into new substances (related word: chemical reaction)
  10. a pure substance that cannot be broken down into simpler substances by chemical reactions
  11. the ability to do work or cause change; the ability to move an object some distance

18 Clues: the transfer of thermal energy • the amount of matter in an object • material that has mass and takes up some amount of space • an element or compound (related words: chemist, chemistry) • two or more atoms joined together (related word: molecular) • change a change in matter that does not affect its chemical composition • ...

Chemical Reaction Crossword Puzzle 2023-11-06

Chemical Reaction Crossword Puzzle crossword puzzle
Across
  1. a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
  2. the production of chemical compounds by reaction from simpler materials.
  3. loss of hydration
  4. substance able to increase the rate of a chemical reaction without itself being consumed or changed by the reacting chemicals
  5. (of a reaction or process) accompanied by the release of heat.
  6. substance that takes part in and undergoes change during a reaction
Down
  1. (of a reaction or process) accompanied by or requiring the absorption of heat
  2. symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formulae.
  3. substances formed from a chemical reaction
  4. the processes by which chemicals interact to form new chemicals with different compositions.
  5. a reaction in which one element is substituted for another element in a compound.
  6. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

12 Clues: loss of hydration • substances formed from a chemical reaction • (of a reaction or process) accompanied by the release of heat. • substance that takes part in and undergoes change during a reaction • the production of chemical compounds by reaction from simpler materials. • (of a reaction or process) accompanied by or requiring the absorption of heat • ...

Chap 7 Vocab 2024-01-02

Chap 7 Vocab crossword puzzle
Across
  1. a chemical process in which two or more simple elements or compounds combine to form a more complex product
  2. The substances which participate in a chemical reaction
  3. reactions that absorb (or use) energy
  4. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. occur when parts of two ionic compounds are exchanged, making two new compounds
  6. a chemical reaction that releases energy in the form of heat, light, sound, or electricity
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. a reaction in which one element is substituted for another element in a compound.
  3. the energy which is stored in the bonds of chemical compounds (molecules and atoms)
  4. reactions that involve the transfer of electrons from one species to another
  5. Exothermic, Endothermic, & Chemical Change | Energy ...
  6. a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties
  7. the species formed from chemical reactions
  8. a graphic representation that shows how chemical reactions produce products.
  9. the unit of measurement in the International System of Units (SI) for amount of substance.
  10. the mass of a chemical compound divided by its amount-of-substance measured in moles.

16 Clues: reactions that absorb (or use) energy • the species formed from chemical reactions • Exothermic, Endothermic, & Chemical Change | Energy ... • The substances which participate in a chemical reaction • reactions that involve the transfer of electrons from one species to another • a graphic representation that shows how chemical reactions produce products. • ...

Chap 7 Vocab 2024-01-02

Chap 7 Vocab crossword puzzle
Across
  1. a chemical process in which two or more simple elements or compounds combine to form a more complex product
  2. The substances which participate in a chemical reaction
  3. reactions that absorb (or use) energy
  4. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. occur when parts of two ionic compounds are exchanged, making two new compounds
  6. a chemical reaction that releases energy in the form of heat, light, sound, or electricity
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. a reaction in which one element is substituted for another element in a compound.
  3. the energy which is stored in the bonds of chemical compounds (molecules and atoms)
  4. reactions that involve the transfer of electrons from one species to another
  5. Exothermic, Endothermic, & Chemical Change | Energy ...
  6. a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties
  7. the species formed from chemical reactions
  8. a graphic representation that shows how chemical reactions produce products.
  9. the unit of measurement in the International System of Units (SI) for amount of substance.
  10. the mass of a chemical compound divided by its amount-of-substance measured in moles.

16 Clues: reactions that absorb (or use) energy • the species formed from chemical reactions • Exothermic, Endothermic, & Chemical Change | Energy ... • The substances which participate in a chemical reaction • reactions that involve the transfer of electrons from one species to another • a graphic representation that shows how chemical reactions produce products. • ...

Chemistry Crossword 2015-11-22

Chemistry Crossword crossword puzzle
Across
  1. Neutral particle in the nucleus of an atom.
  2. Pure substance formed when at least one metal and one non-metal combine.
  3. An experiment in which all reactants and all products of a chemical reaction do not escape.
  4. An experiment in which one or more products of a chemical reaction can escape.
  5. Cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance.
  6. Element that can be between a metal and a non-metal.
  7. Group of atoms joined by covalent bonds.
  8. Mixture in which the different substances that make up the mixture are visible.
  9. Catalyst involved in chemical reactions in living things.
  10. Pure substance that cannot be broken down into other substances.
  11. A reaction that takes place when two or more substances react to form new substances.
Down
  1. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  2. Vertical columns of elements in the periodic table.
  3. Pure substance formed when non-metals combine.
  4. A neutral particle made up of a nucleus containing protons and neutrons.
  5. Orbit of electrons around the nucleus of an atom.
  6. Slow chemical change that occurs when oxygen in the air reacts with a metal.
  7. Description of how a substance interacts with other substances, such as acids.
  8. Atom that has become electrically charged because it has lost or gained electrons.
  9. Substance that helps a chemical reaction to proceed more quickly.
  10. Mass of one atom of an element.
  11. Number of protons in the nucleus of one atom of an element.
  12. Invisible negatively charged particle that orbits the nucleus of an atom.
  13. Anything that has mass and occupies space.
  14. Positively charged center of an atom that contains neutrons and protons.

25 Clues: Mass of one atom of an element. • Group of atoms joined by covalent bonds. • Anything that has mass and occupies space. • Neutral particle in the nucleus of an atom. • Pure substance formed when non-metals combine. • Orbit of electrons around the nucleus of an atom. • Vertical columns of elements in the periodic table. • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. group 17 elements in the periodic table;the most reactive non-metals
  2. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  3. positively charged particle in the nucleus of an atom
  4. an experiment in which one or more products of a chemical reaction can escape
  5. chemical reaction that absorbs energy
  6. group 18 elements in the periodic table;the most stable and unreactive elements
  7. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  8. change in the appearance or state of a substance that does not change the composition
  9. change that results when two or more substances react to create a different substance or substances
  10. pure substance formed when non-metals combine
  11. combination of pure substances
Down
  1. description of a substance that can be pounded or rolled into sheets
  2. substance that helps a chemical reaction to proceed more quickly
  3. substance that strongly resists the flow of electricity
  4. catalyst involved in chemical reactions in living things
  5. chemical reaction that releases energy
  6. pure substance formed when at least one metal and one non-metal combine
  7. neutral particle in the nucleus of an atom
  8. a table in which the elements are organized by their physical and chemical properties
  9. heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
  10. vertical column of elements in the periodic table
  11. substance made of only one kind of matter, which has a unique set of properties
  12. element that has both metallic and non-metallic properties
  13. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  14. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance

25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. Group 17 elements in the periodic table; most reactive non-metals.
  2. Combination on 2 elements.
  3. Anything that has a mass and occupies space.
  4. Slow chemical reaction when a metal combines with oxygen.
  5. The Law that says the total mass of the products equals the mass of the reactants.
  6. Pure substance formed when at least 1 metal and 1 non-metal combine.
  7. Pure substance that can not be broken down into other substances; substance made up of only 1 type of atom
  8. Catalyst involved in chemical reactions in living things.
  9. Property that describes the appearance and composition of a substance.
  10. An atom that has become electrically charged because of the loss or gain of an electron.
  11. A system of easy-to-see warning symbols on hazardous materials
  12. chemical reaction that releases heat energy.
Down
  1. Change in the appearance or state of a substance that does not change the composition.
  2. An experiment in which all reactants and all products are accounted for.
  3. Number of protons and in the nucleus of one atom of an element.
  4. A table in which elements are organized by their physical and chemical properties.
  5. Property that describes how a substance interacts with another substance.
  6. Pure substance formed when non-metals combine.
  7. Ability of a substance to conduct heat or electricity.
  8. Chemical reaction that takes place in cell; food (sugar) reacts with oxygen to produce energy, water and carbon dioxide.
  9. An experiment in which 1+ products of a chemical reaction can escape.
  10. Change that results from 2+ substances to create a new substance; the new substance will have different properties from the original one.
  11. chemical reaction that absorbs heat energy.
  12. Mass of 1 element of an element calculated from the total number of protons, neutrons, and electrons of that atom.
  13. Substance that helps a chemical reaction proceed more quickly.

25 Clues: Combination on 2 elements. • chemical reaction that absorbs heat energy. • Anything that has a mass and occupies space. • chemical reaction that releases heat energy. • Pure substance formed when non-metals combine. • Ability of a substance to conduct heat or electricity. • Slow chemical reaction when a metal combines with oxygen. • ...

Bio 2023-10-09

Bio crossword puzzle
Across
  1. ABSORBS energy in the form of heat or light (photosynthesis)
  2. Large more complex made of monomers (brick wall)
  3. When enzymes are "renatured" to their original shape
  4. breaks big polymers into small monomers by adding water
  5. Region of an enzyme where a substrate binds/connects
  6. reaction breaking and forming of bonds between different substances during chemical changes
  7. Energy The amount of energy needed to make a chemical reaction start
Down
  1. Substances that are made by a chemical reaction
  2. Break down of larger molecules into simpler compounds
  3. Reaction builds a polymer by linking monomers (removes a water molecule)
  4. RELEASES energy in the form of heat or light
  5. Small basic sub-units (brick)
  6. Proteins that speed up biochemical reactions by lowering activation energy
  7. Builds larger molecules from smaller ones
  8. Substances that are changed during a chemical reaction

15 Clues: Small basic sub-units (brick) • Builds larger molecules from smaller ones • RELEASES energy in the form of heat or light • Substances that are made by a chemical reaction • Large more complex made of monomers (brick wall) • When enzymes are "renatured" to their original shape • Region of an enzyme where a substrate binds/connects • ...

Everyday Reactions 2023-01-03

Everyday Reactions crossword puzzle
Across
  1. A cluster of atoms that make up an element or a compound.
  2. An exothermic chemical reaction that takes place in the cells of living things. It is the reaction between sugar and oxygen to produce carbon dioxide and water. The energy produced by the reaction is used by the organism to live, move and grow.
  3. The number of protons and neutrons in an atom.
  4. A chemical reaction that absorbs energy.
  5. A chemical reaction that releases energy.
  6. Chemicals produced in the chemical reaction; they are written on the right-hand side of the arrow.
  7. A pure substance that is made up of two or more different types of atoms chemically joined.
  8. A cluster of neutrons and protons at the centre of an atom.
  9. A small, negatively charged particle; clouds of electrons surround the nucleus of an atom.
  10. A particle with no electric charge; it is found in the nucleus of an atom.
Down
  1. The fundamental building block of all materials; it consists of a cluster of protons and neutrons surrounded by a cloud of electrons.
  2. Chemicals that take part in a chemical reaction; they are written on the left-hand side of the arrow
  3. Atoms that have the same number of protons but a different number of neutrons
  4. A substance made up of only one type of atom.
  5. A positively charged particle found in the nucleus of an atom.
  6. The number of protons in a nucleus; the atomic number determines what type of atoms it is.
  7. An atom that has gained or lost an electron.
  8. A chemical reaction in which a substance burns in oxygen gas to produce light and heat.

18 Clues: A chemical reaction that absorbs energy. • A chemical reaction that releases energy. • An atom that has gained or lost an electron. • A substance made up of only one type of atom. • The number of protons and neutrons in an atom. • A cluster of atoms that make up an element or a compound. • A cluster of neutrons and protons at the centre of an atom. • ...

Scientific vocabulary 2025-04-28

Scientific vocabulary crossword puzzle
Across
  1. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
  2. a chemical decomposition of a substance caused by heat.
  3. absorption of heat
  4. the oxidation of fats that is caused by hydration (water), oxidation (oxygen), metallic atoms or microbes.
  5. which is obtained from a chemical reaction
  6. unbalanced equation
  7. combination of two or more reactants
  8. reaction decomposition of one product
Down
  1. release of heat
  2. he decomposition or separation of molecules by the action of light.
  3. which is used in a chemical reaction
  4. process which changes in composition in mater
  5. the process of corroding or being corroded.
  6. reactions that involve the transfer of electrons from one species to another
  7. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

15 Clues: release of heat • absorption of heat • unbalanced equation • which is used in a chemical reaction • combination of two or more reactants • reaction decomposition of one product • which is obtained from a chemical reaction • the process of corroding or being corroded. • process which changes in composition in mater • a chemical decomposition of a substance caused by heat. • ...

Chemistry Crossword 2017-11-11

Chemistry Crossword crossword puzzle
Across
  1. combination of pure substances
  2. group 18 elements in the periodic table;the most stable and unreactive elements
  3. change in the appearance or state of a substance that does not change the composition
  4. group 17 elements in the periodic table;the most reactive non-metals
  5. vertical column of elements in the periodic table
  6. chemical reaction that releases energy
  7. a table in which the elements are organized by their physical and chemical properties
  8. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  9. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  10. pure substance formed when at least one metal and one non-metal combine
  11. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  12. catalyst involved in chemical reactions in living things
Down
  1. change that results when two or more substances react to create a different substance or substances
  2. neutral particle in the nucleus of an atom
  3. heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
  4. substance made of only one kind of matter, which has a unique set of properties
  5. chemical reaction that absorbs energy
  6. substance that strongly resists the flow of electricity
  7. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  8. pure substance formed when non-metals combine
  9. positively charged particle in the nucleus of an atom
  10. an experiment in which one or more products of a chemical reaction can escape
  11. substance that helps a chemical reaction to proceed more quickly
  12. element that has both metallic and non-metallic properties
  13. description of a substance that can be pounded or rolled into sheets

25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. neutral particle in the nucleus of an atom
  2. element that has both metallic and non-metallic properties
  3. catalyst involved in chemical reactions in living things
  4. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  5. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. chemical reaction that absorbs energy
  7. pure substance formed when non-metals combine
  8. a table in which the elements are organized by their physical and chemical properties
  9. pure substance formed when at least one metal and one non-metal combine
  10. substance made of only one kind of matter, which has a unique set of properties
  11. Change that results when two or more substances react to create a different substance or substances
  12. an experiment in which one or more products of a chemical reaction can escape
  13. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
Down
  1. group 18 elements in the periodic table;the most stable and unreactive elements
  2. group 17 elements in the periodic table;the most reactive non-metals
  3. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  4. positively charged particle in the nucleus of an atom
  5. vertical column of elements in the periodic table
  6. heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
  7. change in the appearance or state of a substance that does not change the composition
  8. chemical reaction that releases energy
  9. combination of pure substances
  10. substance that strongly resists the flow of electricity
  11. description of a substance that can be pounded or rolled into sheets
  12. substance that helps a chemical reaction to proceed more quickly

25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...

Stoichiometry 2025-11-24

Stoichiometry crossword puzzle
Across
  1. Describes an equation where atoms of each element are equal on both sides of the arrow.
  2. Relationship between moles of reactants and products from a balanced equation.
  3. The molar mass of water (rounded)
  4. The maximum amount of product that can be produced from a given amount of reactant.
  5. The number in front of a chemical formula that balances an equation and is used in mole ratios..
  6. A substance formed by a chemical reaction.
  7. A reactant that remains after a chemical reaction stops.
  8. The last name of the scientist for whom the number of particles in a mole is named.
  9. The ratio of actual to theoretical yield multiplied by 100. Used to measure the efficiency of a reaction.
Down
  1. The measured amount of product obtained in a lab.
  2. The unit label for molar mass (with /)
  3. A reactant that runs out first in a reaction. It is completely consumed during the chemical reaction and determines the amount of product that can be produced.
  4. A substance present before a chemical reaction starts.
  5. Unit that represents 6.02×10^23 particles.
  6. The mass of one mole of a substance.
  7. The study of quantitative relationships in chemical reactions.

16 Clues: The molar mass of water (rounded) • The mass of one mole of a substance. • The unit label for molar mass (with /) • Unit that represents 6.02×10^23 particles. • A substance formed by a chemical reaction. • The measured amount of product obtained in a lab. • A substance present before a chemical reaction starts. • A reactant that remains after a chemical reaction stops. • ...

Chemical Reactions and Equations - Abdulla Haani - 10N 2024-04-29

Chemical Reactions and Equations - Abdulla Haani - 10N crossword puzzle
Across
  1. Chemical reactions which involve the transfer of electrons from one chemical substance to another
  2. Gas produced in the anode during electrolysis
  3. Catalyst of photolytic decomposition
  4. Chemical substances that react together to form a new substance during a chemical reaction
  5. Color of Nitrogen Dioxide fumes
  6. Unbalanced chemical reaction using symbols and formulae or reactants and products
  7. Reactions which produce heat energy
  8. Chemical reactions in which 2 more reactants combine to form one product
Down
  1. Gas produced in the cathode during electrolysis
  2. Physical state of substances represented by (aq)
  3. Chemical reactions using words to represent reactants and products
  4. Chemical reactions in which a more reactive element displaces a less reactive element from a compound
  5. Decomposition of a substance on heating
  6. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  7. Color of Ferrous Sulphate Hepta-Hydrate
  8. Color of copper oxide

16 Clues: Color of copper oxide • Color of Nitrogen Dioxide fumes • Reactions which produce heat energy • Catalyst of photolytic decomposition • Decomposition of a substance on heating • Color of Ferrous Sulphate Hepta-Hydrate • Gas produced in the anode during electrolysis • Gas produced in the cathode during electrolysis • Physical state of substances represented by (aq) • ...

GENERAL CHEMISTRY 50 WORD CROSSWORD 2020-05-29

GENERAL CHEMISTRY 50 WORD CROSSWORD crossword puzzle
Across
  1. he push or pull on an object with mass that causes it to change velocity
  2. a type of change in which the form of matter is altered but one substance is not transformed into another.
  3. chemical symbol of magnesium
  4. substance formed when two or more chemical elements are chemically bonded together
  5. type of colloid in which solid particles are suspended in a liquid
  6. PROPERTY, characteristic of a substance that may be observed when it participates in a chemical reaction
  7. process for the separation of mixtures of immiscible liquids or of a liquid
  8. chemical symbol of osmium
  9. measure of how easily a substance bursts into flame, through fire or combustion.
  10. force exerted by the substance per unit area on another substance
  11. unit prefix meaning "one billionth"
  12. decimal unit prefix in the metric system denoting multiplication by one thousand
  13. element that doesn't have the characteristics of metal
  14. degree to which a chemical substance or a particular mixture of substances can damage an organism
  15. semi-solid that can have properties ranging from soft and weak to hard and tough
  16. CHANGE, process in which one or more substances are altered into one or more new and different substances
  17. type of colloid, of the form of one solid dispersed in another continuous solid.
  18. occupies space and has mass.
  19. compund type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, and is the primary interaction occurring in ionic compounds.
  20. smallest constituent unit of ordinary matter that constitutes a chemical element.
  21. chemical reaction that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
  22. substance whose atoms all have the same number of protons
  23. sample of matter with both definite and constant composition and distinct chemical properties.
  24. process whereby atoms or molecules in a liquid state
  25. process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
  26. process of separating components of mixtures by using magnets to attract magnetic materials.
  27. chemical symbol of strontium
  28. substance with high electrical conductivity, luster, and malleability, which readily loses electrons to form positive ions
Down
  1. laboratory technique for the separation of a mixture.
  2. compound chemical bond that involves the sharing of electron pairs between atoms
  3. type of phase transition, or a change in a state of matter, just like melting, freezing, and evaporation.
  4. colloidal system in which the particles are gas bubbles and the medium is a liquid
  5. Measure of how fast velocity is changing
  6. reaction or direct combination reaction is one of the most common types of chemical reaction.
  7. chemical symbol of chlorine
  8. chemical symbol of carbon dioxide
  9. mixture of two or more liquids in which one is present as droplets, of microscopic or ultramicroscopic size
  10. process by which a substance changes from the solid phase to the liquid phase
  11. property of matter that depends only on the type of matter in a sample and not on the amount
  12. chemical symbol of titanium
  13. chemical reaction in which one element replaces an/other element in a compound
  14. molecules composed of only two atoms, of the same or different chemical elements
  15. vector quantity, equal to the speed and direction of a particle
  16. A silvery-white, hard metallic element that occurs abundantly in minerals such as hematite, magnetite, pyrite, and ilmenite
  17. reaction is a type of chemical reaction in which one reactant yields two or more
  18. reaction is a type of chemical reaction in which the reactant ions exchange places to form new products.
  19. measure of mass per unit of volume
  20. number equal to the sum of the atomic masses of the atoms in a molecule.
  21. heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
  22. average mass of atoms of an element,
  23. chemical element of Group 1
  24. component of an atomic nucleus with a mass

52 Clues: chemical symbol of osmium • chemical symbol of chlorine • chemical symbol of titanium • chemical element of Group 1 • chemical symbol of magnesium • occupies space and has mass. • chemical symbol of strontium • chemical symbol of carbon dioxide • measure of mass per unit of volume • unit prefix meaning "one billionth" • average mass of atoms of an element, • ...

AP Chem Kinetics Preview 2024-02-05

AP Chem Kinetics Preview crossword puzzle
Across
  1. when the order is this, rate = k (rate constant)
  2. the particular process in which a reaction occurs
  3. these types of rate laws relates time and the concentration of reactants together
  4. species that are produed in one elementary reaction but used in another
  5. a type of process that add up to yield a formulated chemical equation
  6. property or a reaction that must be observed experimentally
  7. when particles collide, they must have proper ___ in order to react
  8. describes the number of reactant species for a complete chemical reaction
  9. ___ are not used up themselves within a reaction but can help speed up a reaction by decreasing activation energy
  10. the time required for 1/2 of a given amount of reactant to be consumed in a reaction
Down
  1. this type of catalysts is present in the same phase as the reactants
  2. this energy is related to catalysts and is the minimum energy necessary to form a product during a collision between reactant particles
  3. rate of reactions speed up when ___ increases for reactants
  4. measure of how some property changes over time
  5. rate of ___ is the change in amount of a reactant or product over change in time
  6. this constant for a reaction is affected by frequency of reactant collisions and orientation of such particles
  7. rate ___ is the mathematical representation of the change in species concentration over time
  8. the letter k is the rate ___
  9. a particular equation that compares activation energy to the rate constant
  10. rate ___ describe relationships between the rate of a chemical reaction and the concentration of reactants
  11. chemical reactions occur faster at ___ temperatures
  12. an activated ___ is the middleman and are simply a transition state that occurs while reactants form products
  13. this theory describes how the rate of a reaction is proportional to the rate of particle collisions within the reaction vessel

23 Clues: the letter k is the rate ___ • measure of how some property changes over time • when the order is this, rate = k (rate constant) • the particular process in which a reaction occurs • chemical reactions occur faster at ___ temperatures • rate of reactions speed up when ___ increases for reactants • property or a reaction that must be observed experimentally • ...

Chemistry of Life 2023-10-05

Chemistry of Life crossword puzzle
Across
  1. molecules composed of many monomers; makes up macromolecules
  2. type of nutrient that is the major source of energy for the body
  3. substance that speeds up the rate of a chemical reaction
  4. force of attraction between different kinds of molecules
  5. reactant of an enzyme-catalyzed reaction
  6. monomer used to store genetic information and energy
  7. protein catalyst that speeds up the rate of specific biological reactions
  8. compound with an amino group on one end and a carboxyl group on the other end
  9. needed by the body for growth and repair
Down
  1. store and transmit hereditary or genetic information
  2. process that changes, or transforms, one set of chemicals into another set of chemicals
  3. energy that is needed to get a reaction started
  4. weak attraction between a hydrogen atom and another atom
  5. elements or compounds produced by a chemical reaction
  6. elements or compounds that enter into a chemical reaction
  7. attraction between molecules of the same substance
  8. includes fats, oils, and waxes
  9. small chemical unit that makes up a polymer

18 Clues: includes fats, oils, and waxes • reactant of an enzyme-catalyzed reaction • needed by the body for growth and repair • small chemical unit that makes up a polymer • energy that is needed to get a reaction started • attraction between molecules of the same substance • store and transmit hereditary or genetic information • ...

Chemistry Crossword 2015-11-22

Chemistry Crossword crossword puzzle
Across
  1. Invisible negatively charged particle that orbits the nucleus of an atom.
  2. Pure substance that cannot be broken down into other substances.
  3. Anything that has mass and occupies space.
  4. Description of how a substance interacts with other substances, such as acids.
  5. An experiment in which one or more products of a chemical reaction can escape.
  6. Pure substance formed when non-metals combine.
  7. Orbit of electrons around the nucleus of an atom.
  8. Group of atoms joined by covalent bonds.
  9. Substance that helps a chemical reaction to proceed more quickly.
  10. Number of protons in the nucleus of one atom of an element.
  11. Catalyst involved in chemical reactions in living things.
  12. Cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance.
  13. Atom that has become electrically charged because it has lost or gained electrons.
  14. Neutral particle in the nucleus of an atom.
Down
  1. Pure substance formed when at least one metal and one non-metal combine.
  2. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  3. Element that can be between a metal and a non-metal.
  4. An experiment in which all reactants and all products of a chemical reaction do not escape.
  5. Positively charged center of an atom that contains neutrons and protons.
  6. Mixture in which the different substances that make up the mixture are visible.
  7. A neutral particle made up of a nucleus containing protons and neutrons.
  8. Slow chemical change that occurs when oxygen in the air reacts with a metal.
  9. Mass of one atom of an element.
  10. A reaction that takes place when two or more substances react to form new substances.
  11. Vertical columns of elements in the periodic table.

25 Clues: Mass of one atom of an element. • Group of atoms joined by covalent bonds. • Anything that has mass and occupies space. • Neutral particle in the nucleus of an atom. • Pure substance formed when non-metals combine. • Orbit of electrons around the nucleus of an atom. • Vertical columns of elements in the periodic table. • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. group 17 elements in the periodic table;the most reactive non-metals
  2. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
  3. positively charged particle in the nucleus of an atom
  4. an experiment in which one or more products of a chemical reaction can escape
  5. chemical reaction that absorbs energy
  6. group 18 elements in the periodic table;the most stable and unreactive elements
  7. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  8. change in the appearance or state of a substance that does not change the composition
  9. change that results when two or more substances react to create a different substance or substances
  10. pure substance formed when non-metals combine
  11. combination of pure substances
Down
  1. description of a substance that can be pounded or rolled into sheets
  2. substance that helps a chemical reaction to proceed more quickly
  3. substance that strongly resists the flow of electricity
  4. catalyst involved in chemical reactions in living things
  5. chemical reaction that releases energy
  6. pure substance formed when at least one metal and one non-metal combine
  7. neutral particle in the nucleus of an atom
  8. a table in which the elements are organized by their physical and chemical properties
  9. heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
  10. vertical column of elements in the periodic table
  11. substance made of only one kind of matter, which has a unique set of properties
  12. element that has both metallic and non-metallic properties
  13. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  14. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance

25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...

Energy Flow 2023-05-12

Energy Flow crossword puzzle
Across
  1. The internal space of the chloroplasts which surrounds the grana and the thylakoids.
  2. All of the chemical reactions that occur within an organism.
  3. Location on an enzyme where the substrate binds
  4. A pigment that gives plants their green color and helps create food during photosynthesis.
  5. The process where plants use CO2, H20, and sunlight to convert it into glucose and O2.
  6. a process where bacteria break down organic matter without any use of oxygen.
  7. the stacks of thylakoids in the stroma of a chloroplast.
  8. A reaction that overall absorbs more energy in the form of heat or light than it releases.
  9. A large network of proteins and other molecules that gives structure to cells and tissues.
  10. Organisms that only eat meat.
  11. Reactions that break down larger molecules into simpler compounds.
  12. (substrate)- A substance that is changed during a chemical reaction.
  13. respiration Converting Glucose into usable energy for the cells.
  14. Organisms that eat plants and meat.
  15. A reaction that overall releases more energy in the form of heat or light than it absorbs.
  16. The process of creating sugars using energy released from chemical reactions.
Down
  1. Substance that speeds up the rate of a chemical reaction without being permanently altered.
  2. A process where oxygen is used to make energy from carbohydrates.
  3. Organisms that eat dead organisms.
  4. Proteins that speeds up a biochemical reaction by lowering its activation energy.
  5. Organisms that only eat plants.
  6. an organism that eats other organisms to gain energy.
  7. It will produce a very low level of NAD+ when there is no oxygen
  8. Main energy source that cells use for most of their work.
  9. membrane The inner membrane of a mitochondrion is the membrane which separates the matrix from the intermembrane space.
  10. energy- Energy needed to get a chemical reaction started.
  11. Reactions that f0rm larger molecules from smaller ones.
  12. reactions The breaking and forming of bonds between different substances during chemical changes.
  13. When an enzyme loses its shape.
  14. an organism that produces its own food.
  15. A substance that is made in a chemical reaction

31 Clues: Organisms that only eat meat. • Organisms that only eat plants. • When an enzyme loses its shape. • Organisms that eat dead organisms. • Organisms that eat plants and meat. • an organism that produces its own food. • Location on an enzyme where the substrate binds • A substance that is made in a chemical reaction • an organism that eats other organisms to gain energy. • ...

Stoichiometry Concepts 2024-04-01

Stoichiometry Concepts crossword puzzle
Across
  1. Numbers in front of formulas in a chemical equation.
  2. reaction Process where substances transform into new substances.
  3. Number written below and to the right of chemical symbol.
  4. New substances formed as a result of a chemical reaction.
  5. equation Representation of a chemical reaction using symbols and formulas.
  6. ratio Ratio of moles of one substance to another.
  7. Unit representing amount of substance in a chemical reaction.
  8. Substances that undergo change in a chemical reaction.
Down
  1. number Number of atoms or molecules in one mole.
  2. reactant Reactant that is completely consumed in a reaction.
  3. reactant Reactant that remains after limiting reactant is consumed.
  4. mass Mass of one mole of a substance in grams.
  5. Calculating amounts in chemical reactions using balanced equations.
  6. equation Equation where number of atoms is equal on both sides.
  7. ratio Ratio of masses of substances in a chemical reaction.

15 Clues: mass Mass of one mole of a substance in grams. • number Number of atoms or molecules in one mole. • ratio Ratio of moles of one substance to another. • Numbers in front of formulas in a chemical equation. • Substances that undergo change in a chemical reaction. • Number written below and to the right of chemical symbol. • ...

Stoichiometry Concepts 2024-04-01

Stoichiometry Concepts crossword puzzle
Across
  1. Numbers in front of formulas in a chemical equation.
  2. reaction Process where substances transform into new substances.
  3. Number written below and to the right of chemical symbol.
  4. New substances formed as a result of a chemical reaction.
  5. equation Representation of a chemical reaction using symbols and formulas.
  6. ratio Ratio of moles of one substance to another.
  7. Unit representing amount of substance in a chemical reaction.
  8. Substances that undergo change in a chemical reaction.
Down
  1. number Number of atoms or molecules in one mole.
  2. reactant Reactant that is completely consumed in a reaction.
  3. reactant Reactant that remains after limiting reactant is consumed.
  4. mass Mass of one mole of a substance in grams.
  5. Calculating amounts in chemical reactions using balanced equations.
  6. equation Equation where number of atoms is equal on both sides.
  7. ratio Ratio of masses of substances in a chemical reaction.

15 Clues: mass Mass of one mole of a substance in grams. • number Number of atoms or molecules in one mole. • ratio Ratio of moles of one substance to another. • Numbers in front of formulas in a chemical equation. • Substances that undergo change in a chemical reaction. • Number written below and to the right of chemical symbol. • ...

Metal Reactions 2024-01-11

Metal Reactions crossword puzzle
Across
  1. When one element takes the place of another in a chemical reaction
  2. Unreactive metal used for jewellery
  3. Gas produced when metals react with water or acid
  4. The least reactive alkali metal
  5. Chemical bond between metal ions
  6. A substance that contains only 1 element or compound
  7. A mixture of containing at least one metal eg steel
  8. Burning
  9. Large diagram showing elements in order of atomic number
  10. The process of getting metal out of ore
Down
  1. Sodium _________ is a strong alkali
  2. A reaction that can go forwards or backwards
  3. The substances on the left of the arrow in a chemical reaction
  4. Can be hammered into shape
  5. When an atom loses electrons
  6. The substances on the right of the arrow in a chemical reaction
  7. When an atom gains electrons
  8. Metals in Group 1
  9. Negative sub-atomic particle found orbiting the nucleus
  10. Non-metal that's more reactive than iron
  11. Elements found in Group 7
  12. A substance containing 2 or more element chemically bonded

22 Clues: Burning • Metals in Group 1 • Elements found in Group 7 • Can be hammered into shape • When an atom loses electrons • When an atom gains electrons • The least reactive alkali metal • Chemical bond between metal ions • Sodium _________ is a strong alkali • Unreactive metal used for jewellery • The process of getting metal out of ore • Non-metal that's more reactive than iron • ...

Naomi Swallow Unit 2 2025-03-24

Naomi Swallow Unit 2 crossword puzzle
Across
  1. The diffusion of water; Hypertonic, Hypotonic, Isotonic
  2. Hates water
  3. Loves water
  4. A method of moving molecules through the cell membrane that doesn't use ATP
  5. The basic units of matter
  6. A collection of cooperating organ systems
  7. Only certain things can pass through
  8. A method of moving molecules through the cell membrane with a transport protein that uses ATP
  9. A collection of identical cells
  10. A protein that speeds up chemical reactions
  11. The energy needed to start a chemical reaction
Down
  1. Many come together to make the cell membrane
  2. Where the substrate connects to the Ensyme
  3. Molecules move from high concentration to low concentration
  4. A collection of cooperating organs
  5. Reaction molecule,starts the chemical reaction with the enzyme
  6. A small part of a cell that serves a function
  7. The result of a chemical reaction
  8. When an enzyme is changed and no longer effective it is...
  9. A collection of cooperating tissues
  10. A combination of atoms
  11. A collection of organelles

22 Clues: Hates water • Loves water • A combination of atoms • The basic units of matter • A collection of organelles • A collection of identical cells • The result of a chemical reaction • A collection of cooperating organs • A collection of cooperating tissues • Only certain things can pass through • A collection of cooperating organ systems • Where the substrate connects to the Ensyme • ...

Chapter 7 Vocab Barton IPS 2024-01-03

Chapter 7 Vocab Barton IPS crossword puzzle
Across
  1. a chemical process in which two or more simple elements or compounds combine to form a more complex product
  2. The substances which participate in a chemical reaction
  3. reactions that absorb (or use) energy
  4. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. occur when parts of two ionic compounds are exchanged, making two new compounds
  6. a chemical reaction that releases energy in the form of heat, light, sound, or electricity
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. a reaction in which one element is substituted for another element in a compound.
  3. the energy which is stored in the bonds of chemical compounds (molecules and atoms)
  4. reactions that involve the transfer of electrons from one species to another
  5. Exothermic, Endothermic, & Chemical Change | Energy ...
  6. a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties
  7. the species formed from chemical reactions
  8. a graphic representation that shows how chemical reactions produce products.
  9. the unit of measurement in the International System of Units (SI) for amount of substance.
  10. the mass of a chemical compound divided by its amount-of-substance measured in moles.

16 Clues: reactions that absorb (or use) energy • the species formed from chemical reactions • Exothermic, Endothermic, & Chemical Change | Energy ... • The substances which participate in a chemical reaction • reactions that involve the transfer of electrons from one species to another • a graphic representation that shows how chemical reactions produce products. • ...

Chemical Reactions 2019-12-12

Chemical Reactions crossword puzzle
Across
  1. The result of a chemical reaction
  2. A chemical _____ shows the atoms and elements in a reaction
  3. A chemical _____ shows the atoms and elements in a molecule
  4. A _______ change is not a chemical reaction (ex. evaporation)
  5. How much matter is in something
  6. The number of elements that occur naturally
Down
  1. What exists at the start of a chemical reaction
  2. The Law of _______ of matter
  3. The different kinds of atoms
  4. The smallest unit of matter
  5. Two or more atoms bonded together
  6. The things that break and reform during a chemical reaction

12 Clues: The smallest unit of matter • The Law of _______ of matter • The different kinds of atoms • How much matter is in something • The result of a chemical reaction • Two or more atoms bonded together • The number of elements that occur naturally • What exists at the start of a chemical reaction • A chemical _____ shows the atoms and elements in a reaction • ...

Get to know Science (Lesson 1-3) 2023-11-27

Get to know Science (Lesson 1-3) crossword puzzle
Across
  1. Another name for the substances that are going through chemical changes.
  2. I can be dissolved by a solvent.
  3. I am the opposite of a synthesis reaction.
  4. change- A change in appearance but not into a different substance.
  5. I am the largest part of a solution.
  6. systems- matter can only the reaction.
  7. I am the measure of how easily a solute dissolves in a solvent.
  8. systems- matter can enter and escape.
  9. of conservation of mass- the law that states that matter is neither created nor destroyed.
  10. the measurement of a measure divided by another measure.
Down
  1. reaction- Heat is exiting the reaction.
  2. I am a homogeneous mixture that is made up of a dissolved substance.
  3. reaction- Heat is entering the reaction.
  4. the breaking down of another substance.
  5. the formation of the substances from the chemical reaction.
  6. I am made up of two or more substances in which my atoms are not chemically combined.
  7. I am a mixture that is easily separated.
  8. I am a mixture that isn’t easily separated.
  9. change- A change in molecular composition of a substance.

19 Clues: I can be dissolved by a solvent. • I am the largest part of a solution. • systems- matter can only the reaction. • systems- matter can enter and escape. • reaction- Heat is exiting the reaction. • the breaking down of another substance. • reaction- Heat is entering the reaction. • I am a mixture that is easily separated. • I am the opposite of a synthesis reaction. • ...

Edexcel C2 Revision 2018-06-18

Edexcel C2 Revision crossword puzzle
Across
  1. sulfate the insoluble salt given to patients before an x-ray (6, 7) (solubility and chemical tests)
  2. the charge of a neutron (atomic structure)
  3. the centre part of an atom (atomic structure)
  4. an insoluble salt formed by a chemical reaction (solubility and chemical tests)
  5. an element that is a brown liquid at room temperature (periodic table/ halogens)
  6. a sub-atomic particle with negligible mass (atomic structure)
  7. the group of metals in the centre of the periodic table (periodic table)
  8. the unreactive group on the periodic table (5, 5) (periodic table)
  9. the colour of potassium ions in a flame test (solubility and chemical tests)
  10. a chemical reaction that gives out heat energy (exo/endo reactions)
  11. a separating technique used to separate mixtures by mass (separation techniques)
  12. the atomic number gives the number of........ (atomic structure)
  13. a chemical reaction which takes in heat energy (exo/endo reactions)
  14. the gas formed when alkali metals react with water (alkali metals)
  15. a bond between two non-metals (structure and bonding)
  16. a charged atom (structure and bonding)
Down
  1. a crystalline structure with a high melting point is a giant ionic ..... (structure and bonding)
  2. distillation a separating technique used to separate miscible liquids (separation techniques)
  3. the name given to group 7 of the periodic table (periodic table)
  4. an element that is a pale green gas at room temperature (periodic table/ halogens)
  5. the atomic mass minus the atomic numbers gives the number of .... (atomic structure)
  6. the charge on an electron (atomic structure)
  7. a factor that effects the rate of reaction (rates of reaction)
  8. a factor that effects the rate of reaction (rates of reaction)
  9. the charge on a proton (atomic structure)
  10. something that speeds up a reaction without being used up (rates of reaction)
  11. the maximum number of electrons in the 2nd shell of an atom (structure and bonding)
  12. when lithium reacts with water one of the products is lithium ......... (alkali metals)
  13. an example of an exothermic reaction (exo/endo reactions)
  14. the least reactive alkali metal (alkali metals)
  15. an example of an endothermic reaction (exo/endo reactions)
  16. a bond between a metal and a non-metal (structure and bonding)

32 Clues: a charged atom (structure and bonding) • the charge on a proton (atomic structure) • the charge of a neutron (atomic structure) • the charge on an electron (atomic structure) • the centre part of an atom (atomic structure) • the least reactive alkali metal (alkali metals) • a bond between two non-metals (structure and bonding) • ...

Unit 1 - Chapter 2 2020-12-08

Unit 1 - Chapter 2 crossword puzzle
Across
  1. energy-producing reaction in living cells, and it is coupled with a reduction reaction
  2. chemical processes that occur within a living organism in order to maintain life
  3. containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer
  4. Bonds/a special type of dipole-dipole attraction between molecules, not a covalent bond to a hydrogen atom
  5. breakdown of a compound due to reaction with water
  6. two smaller molecules join to form a larger one by removing functional groups that form a small molecule
  7. chemical process of monomers joining to form polymers
Down
  1. Interactions, the relations between water and hydrophobes
  2. molecule that can be bonded to other identical molecules to form a polymer
  3. reaction that involves the gaining of electrons by one of the atoms involved in the reaction between two chemicals
  4. the branch of science that explores the chemical processes within and related to living organisms
  5. Bonds/a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
  6. not contain carbon and is not produced by a living organism
  7. Bonds/chemical bond that involves the sharing of electron pairs between atoms
  8. substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
  9. Bonds/type of covalent bond that joins a carbohydrate molecule to another group
  10. substance containing carbon-based compounds, especially produced by or derived from living organisms
  11. Bonds/carbon bound to three other atoms
  12. Bonds/chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule
  13. Biology/the field of biology that studies the composition, structure and interactions of cellular molecules

20 Clues: Bonds/carbon bound to three other atoms • breakdown of a compound due to reaction with water • chemical process of monomers joining to form polymers • Interactions, the relations between water and hydrophobes • not contain carbon and is not produced by a living organism • molecule that can be bonded to other identical molecules to form a polymer • ...

physical and chemical changes 2018-05-30

physical and chemical changes crossword puzzle
Across
  1. a chemical substance consisting a large molecule
  2. a state of of changing from solid to a liquid
  3. a chemical which helps form a chemical reaction
  4. a molecule that contains two atoms
  5. a substance which is used at the beginning the start of a chemical reaction
  6. a pure substance that is made u of a special atom
  7. a gas that has a strong smell especially to breath in
  8. when the substance reacts it causes to collide with each other
  9. a procedure to make a chemical change
  10. a single atom
  11. a change straight from a solid to gas
  12. form of substance that is normally a solid or liquid
  13. to reach a temperature where the liquid starts to turn into gas.
  14. a substance obtaining at the end of a chemical reaction
  15. when a gas is transformed into liquid
  16. rows of elements in a periodic table
  17. to change a liquid to gas
Down
  1. when the atoms are attracted to each other
  2. a molecule which contains two or more atoms
  3. an arrangement of particles in a pattern
  4. an object that makes a chemical reaction change itself quickly
  5. broken down particles.
  6. an arrangement of elements into a table
  7. a substance which is easily turned into gas physical
  8. an amount of substance in the same area
  9. the process of corroding, or metal that has been corroded
  10. a substance thats made up of two or more different atoms with bound together
  11. groups of two atoms which bound together
  12. columns of elements that is made up of one atom

29 Clues: a single atom • broken down particles. • to change a liquid to gas • a molecule that contains two atoms • rows of elements in a periodic table • a procedure to make a chemical change • a change straight from a solid to gas • when a gas is transformed into liquid • an arrangement of elements into a table • an amount of substance in the same area • ...

Unit 2 Vocab 2024-10-07

Unit 2 Vocab crossword puzzle
Across
  1. monomer is amino acids, functions include enzymes, provide cell structure, fight disease, transport into and out of cells, chemical messengers
  2. changing with age
  3. something that gives an organisim an advantage in survival and reproduction
  4. process of maintaning a stable internal enviorment
  5. special proteins that catalyze (speed up) chemical reactions by lowering the activation energy
  6. reproduction that requires only one parent
  7. simple cells that lack a nucleus
  8. site on an enzyme where substrate binds
  9. any process that changes one set of chemical into another
  10. what you stat with in a chemical reaction
  11. what you end with in a chemical reaction
  12. largest taxon, groups together kingdom that share given charecterisicsts
  13. anything speeds up a chemical reaction
  14. monomer is simple sugar, stare energy and provide structure
  15. many monomers joined by covalent bonds
  16. reproduction that requires two parents
  17. contain both carbon and hydrogen, assciated with living things
Down
  1. monomers are are glycerol and fatty acid, includes fats, olis, and waxes, store energy, make up membranes create water proof coverings
  2. groups of organisims
  3. two name naming system, format for scientific names
  4. getting bigger
  5. energy need to make a reaction start(push)
  6. outer electrons, those involved in bonding
  7. reactants in chemical reactions with enzymes
  8. processes of breaking down and building genetic materials within living things
  9. made up of many cells
  10. anything in the enviorment that generates a response
  11. stores genetic information in all living things
  12. monomer is nucleotide, store genetic information
  13. small molecules, unique to each kind of organic molecule
  14. large molecule made of thousands of smaller molecules
  15. complex cells that have a neuclus
  16. made up of one cell

33 Clues: getting bigger • changing with age • made up of one cell • groups of organisims • made up of many cells • simple cells that lack a nucleus • complex cells that have a neuclus • anything speeds up a chemical reaction • many monomers joined by covalent bonds • reproduction that requires two parents • site on an enzyme where substrate binds • what you end with in a chemical reaction • ...

Stoichiometry Concepts 2024-04-01

Stoichiometry Concepts crossword puzzle
Across
  1. Numbers in front of formulas in a chemical equation.
  2. reaction Process where substances transform into new substances.
  3. Number written below and to the right of chemical symbol.
  4. New substances formed as a result of a chemical reaction.
  5. equation Representation of a chemical reaction using symbols and formulas.
  6. ratio Ratio of moles of one substance to another.
  7. Unit representing amount of substance in a chemical reaction.
  8. Substances that undergo change in a chemical reaction.
Down
  1. number Number of atoms or molecules in one mole.
  2. reactant Reactant that is completely consumed in a reaction.
  3. reactant Reactant that remains after limiting reactant is consumed.
  4. mass Mass of one mole of a substance in grams.
  5. Calculating amounts in chemical reactions using balanced equations.
  6. equation Equation where number of atoms is equal on both sides.
  7. ratio Ratio of masses of substances in a chemical reaction.

15 Clues: mass Mass of one mole of a substance in grams. • number Number of atoms or molecules in one mole. • ratio Ratio of moles of one substance to another. • Numbers in front of formulas in a chemical equation. • Substances that undergo change in a chemical reaction. • Number written below and to the right of chemical symbol. • ...

Chemistry Ch. 7-8 2024-11-17

Chemistry Ch. 7-8 crossword puzzle
Across
  1. a substance that doesn’t dissolve in an aqueous solution
  2. action done in Chemistry that exemplifies the law of conservation of matter
  3. an equation that shows as ions all substances that are strong electrolytes
  4. substance resulting from a chemical reaction
  5. a reaction in which an insoluble substance forms and separates from the solution as a solid
  6. a material that, when dissolved in water, dissociates (ionizes) completely and gives a solution that conducts an electric current very efficiently
  7. starting substance in a chemical reaction
  8. solid in Chemistry
  9. ions present in solution that do not participate directly in a reaction
  10. integers used to balance a chemical equation
Down
  1. an acid that completely dissociates (ionizes) to produce H+ ion and the conjugate base
  2. an equation representing a reaction in solution and showing the reactants and the products in undissociated form, whether they are strong or weak electrolytes
  3. a metal hydroxide compound that completely dissociates into its ions in water
  4. a substance that produces hydroxide ions in aqueous solutions
  5. equation for a reaction in solution, representing strong electrolytes as ions and showing only those components that are directly involved in the chemical change
  6. a substance that produces hydrogen ions in aqueous solutions
  7. a chemical change
  8. a substance that does dissolve in an aqueous solution
  9. shown in a chemical equation to the right of the arrow
  10. shown in a chemical equation to the left of the arrow

20 Clues: a chemical change • solid in Chemistry • starting substance in a chemical reaction • substance resulting from a chemical reaction • integers used to balance a chemical equation • a substance that does dissolve in an aqueous solution • shown in a chemical equation to the left of the arrow • shown in a chemical equation to the right of the arrow • ...

Get to know Science (Lesson 1-3) 2023-11-27

Get to know Science (Lesson 1-3) crossword puzzle
Across
  1. I am the largest part of a solution.
  2. I can be dissolved by a solvent.
  3. change- A change in appearance but not into a different substance.
  4. systems- matter can only the reaction.
  5. the breaking down of another substance.
  6. reaction- Heat is exiting the reaction.
  7. I am made up of two or more substances in which my atoms are not chemically combined.
  8. I am a homogeneous mixture that is made up of a dissolved substance.
  9. change- A change in molecular composition of a substance.
Down
  1. Another name for the substances that are going through chemical changes.
  2. I am the measure of how easily a solute dissolves in a solvent.
  3. of conservation of mass the law that states that matter is neither created nor destroyed.
  4. the formation of the substances from the chemical reaction.
  5. I am a mixture that isn’t easily separated.
  6. reaction- Heat is entering the reaction.
  7. I am a mixture that is easily separated.
  8. I am the opposite of a synthesis reaction.
  9. the measurement of a measure divided by another measure.
  10. systems- matter can enter and escape.

19 Clues: I can be dissolved by a solvent. • I am the largest part of a solution. • systems- matter can only the reaction. • systems- matter can enter and escape. • the breaking down of another substance. • reaction- Heat is exiting the reaction. • reaction- Heat is entering the reaction. • I am a mixture that is easily separated. • I am the opposite of a synthesis reaction. • ...

Chemical Reactions 2024-04-22

Chemical Reactions crossword puzzle
Across
  1. Describes how many atoms are in the given element
  2. The first half of a chemical equation
  3. Uses the mnemonic device; "Have No Fear Of Ice Cold Bears"
  4. A chemical reaction where two compounds swap parts on the product side of the equation (no space)
  5. How many of the given molecule are needed to balance the equation
  6. A chemical reaction that acts as the opposite of Synthesis
  7. A chemical reaction that only has one set pair of products
Down
  1. The second half of a chemical equation
  2. A chemical reaction in which one element in a compound transfers over to another, single element in the same equation (no space)
  3. A type of bond with one metal and one nonmetal
  4. A type of bond between two nonmetals
  5. A substance made of more than one element
  6. A chemical reaction similar to addition
  7. Atoms that can have a positive or negitive charge

14 Clues: A type of bond between two nonmetals • The first half of a chemical equation • The second half of a chemical equation • A chemical reaction similar to addition • A substance made of more than one element • A type of bond with one metal and one nonmetal • Describes how many atoms are in the given element • Atoms that can have a positive or negitive charge • ...

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 Crossword Puzzle 2013-06-07

Chemistry Crossword Puzzle crossword puzzle
Across
  1. The quantity of three dimensional space occupied by a solid, liquid or gas
  2. Ratio A ratio between the amounts in moles of any two compounds involved in a chemical reaction
  3. Property Any property used to characterize matter and energy and their interactions
  4. The act or process of fusing, the state of being fused
  5. Force per unit area
  6. Displacement Reaction A type of reaction where part of one reactant is replaced by part of another reactant
  7. Molecule Made up of two atoms
  8. Compound A chemical compound of cations and anions formed by the loss or gain of one or more electrons
  9. Electrons An electron this is most likely to be involved in a chemical reaction
  10. Formula A chemical formula indicating the elements of a compound and their relative proportions
  11. An elementary particle that is a fundamental constituent of matter
  12. An aggregate of two or more substances that are not chemically united and that exist in no fixed proportion to each other
  13. The substance or substances of which any physical object consists or is composed of
  14. Discovered the electron
  15. A negatively charged ion.
  16. Figures All nonzero digits of a number that signify accuracy
  17. Any two or more forms of a chemical element
  18. Reaction Seperation of a substance into two or more substances that may differ from each other and from the original substance
  19. Formula A chemical formula that shows the number and kinds of atoms in a molecule
  20. To seperate in solid form from a solution
  21. Compound A molecule formed by covalent bonds, in which the atoms share one or more pairs of valence electrons
  22. Discovered nitrogen
  23. The substances that combine to form a product
  24. Reaction A chemical reaction that occurs between an acid and a base.
  25. A positively charged elementary particle
  26. Structure Can be drawn for any covalently bonded molecule
Down
  1. Pertaining to an absolute scale of temperature
  2. Mass The mass of a molecule in grams per mole, the sum of the component atomic masses
  3. Change A usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties
  4. Russian chemist, helped develop the periodic law
  5. The act of cleaving or splitting into parts
  6. An electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
  7. An elementary particle having no charge
  8. A number that is constant for a given substance,body or process under certain specified conditions
  9. Statement A specification statement which causes two or more items to be associated with each other
  10. Reaction When all substances in a compound are combined with oxygen which then produces carbon dioxide and water
  11. Number 6.02x10^23
  12. Analysis A method for comparing the dimensions of the physical quantities occuring in a problem to find relationships between the quantities without having to solve the problem completely
  13. The study of the relationships between two or more substances undergoing a type of change
  14. A wave function describing the state of a single electron in an atom
  15. A substance obtained from another substance in a chemical change
  16. Reactant The substance totally consumed in a chemical reaction
  17. Ion A charged particle which has two or more atoms held together by convalent bonds
  18. Any positively charged atom or group of atoms.
  19. Number The number of protons in an atom's nucleus.
  20. Displacement Reaction A chemical reaction where one reactant is exchanged for one ion of the second

46 Clues: Number 6.02x10^23 • Force per unit area • Discovered nitrogen • Discovered the electron • A negatively charged ion. • Molecule Made up of two atoms • An elementary particle having no charge • A positively charged elementary particle • To seperate in solid form from a solution • The act of cleaving or splitting into parts • Any two or more forms of a chemical element • ...

Chemistry Unit 1 Review 2021-09-07

Chemistry Unit 1 Review crossword puzzle
Across
  1. the most common element in the universe
  2. What goes into a chemical reaction
  3. a change that affects the basic nature of a substance
  4. How strongly gravity pulls on a thing
  5. A seperation technique that boils water away from another substance
  6. Two or more atoms bonded together
  7. An example of a physical change
  8. Two or more substances mixed together
  9. Where chemical energy is stored
  10. a property that can be determined without changing the chemical composition of a substance
  11. A mixture that is evenly mixed
  12. Pure substance
  13. Energy related to position, or stored energy
Down
  1. a change that does not affect the basic nature of a substance
  2. When this is released, a chemical reaction just happened
  3. Energy of motion
  4. A chart that visually organizes all of the elements
  5. the behavior of a substance undergoing a chemical change
  6. An example of a chemical change
  7. A mixture that is unevenly mixed (can see the different parts)
  8. How much matter something has
  9. What comes out of a chemical reaction

22 Clues: Pure substance • Energy of motion • How much matter something has • A mixture that is evenly mixed • An example of a chemical change • An example of a physical change • Where chemical energy is stored • Two or more atoms bonded together • What goes into a chemical reaction • How strongly gravity pulls on a thing • Two or more substances mixed together • ...

Vocab puzzle 2024-11-12

Vocab puzzle crossword puzzle
Across
  1. The speed at which reactants are converted in products
  2. Loss of Electrons
  3. The amount of a substance that contains 6.02 x 1023 particles of that substance
  4. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  5. is a chemical equation with the same number of atoms of each element on both sides of the arrow
  6. A substance that slows down or prevents a particular chemical reaction or other process, or that reduces the activity of a particular reactant, catalyst, or enzyme.
  7. Is a substance that is formed as the result of a chemical reaction.
  8. A type of lettering form written lower than the things around it. In chemical formulas the number of atoms in a molecule is written in this manner
  9. A substance that takes part in and undergoes change during a reaction
  10. is the number in front of the formula, that is related to the properties of the products. For example 2 H2O means there is two molecules of water
Down
  1. Gain of electrons
  2. A representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
  3. A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  4. Mass in grams of one mole of a substance
  5. A chemical reaction that releases energy in the form of light or heat
  6. Are those which absorb energy from the surroundings and result in a net decrease in temperature
  7. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

17 Clues: Gain of electrons • Loss of Electrons • Mass in grams of one mole of a substance • The speed at which reactants are converted in products • Is a substance that is formed as the result of a chemical reaction. • A chemical reaction that releases energy in the form of light or heat • A substance that takes part in and undergoes change during a reaction • ...

Chemical reactions and equation- George Issac- 10-O 2024-05-05

Chemical reactions and equation- George Issac- 10-O crossword puzzle
Across
  1. a chemical reaction in which one reactant breaks down into two or more products.
  2. type of decomposition reaction where electricity is used.
  3. chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
  4. a reaction in which two or more substances combine to form a single new substance.
  5. process where fats and oils get oxidised.
  6. The gradual destruction of pure metals by the action of air, moisture or a chemical (such as an acid) on their surface.
Down
  1. the end result of the reaction and are written on the right-hand side of the equation.
  2. type of decomposition reaction where light is used.
  3. the chemical reactions in which one component each of both the reacting molecules is exchanged to form the products
  4. Reaction in which one reactant displace another reactant
  5. a substance that undergoes change during a reaction.
  6. equations with simply the chemical formulas of the products and reactants, no mention of state, and no atom balancing on either side of the equation.
  7. a reaction in which energy is released in the form of light or heat.
  8. a reaction where oxygen is added to the substance or hydrogen is removed from the substance
  9. a type of decomposition reaction where a reactant on heating decomposes to products.

15 Clues: process where fats and oils get oxidised. • type of decomposition reaction where light is used. • a substance that undergoes change during a reaction. • Reaction in which one reactant displace another reactant • type of decomposition reaction where electricity is used. • a reaction in which energy is released in the form of light or heat. • ...