chemical reaction Crossword Puzzles

Science Crosswords 2015-11-17

Science Crosswords crossword puzzle
Across
  1. description of a substance that can be pounded or rolled into sheets
  2. principle that matter is not created or destroyed in a chemical reaction
  3. chemical reaction that releases heat
  4. Vertical columns in the periodic table
  5. chemical reaction that absorbs energy
  6. element that has both metallic and non-metallic properties
  7. the smallest part of an element that is representative of that element
  8. property that describe the physical appearance of a substance
  9. Comes from the Arabic word "alkimiya", meaning "the chemist"
Down
  1. an experiment in which all reactants and all products of a chemical reaction are accounted for
  2. the temperature in which a solid will melt
  3. pure substance that cannot be broken down into other substances
  4. group 17 elements in the periodic table; most reactive non-metals
  5. change that results when two or more substances react to create a different substance
  6. measure of atomic mass
  7. an experiment in which one or more products of a chemical reaction can escape
  8. pure substance formed when non-metals combine
  9. atom that has become electrically charged because it has lost or gained electrons
  10. Anything that has mass and occupies space
  11. description of a solid that can be stretched into a long wire
  12. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  13. slow chemical change that occurs when oxygen in the air reacts with metal
  14. substance that reacts with other substances in a chemical reaction to create new substances with different properties
  15. new substance produced in a chemical reaction between reactants
  16. Horizontal row in the periodic table

25 Clues: measure of atomic mass • chemical reaction that releases heat • Horizontal row in the periodic table • chemical reaction that absorbs energy • Vertical columns in the periodic table • Anything that has mass and occupies space • the temperature in which a solid will melt • pure substance formed when non-metals combine • ...

Science Crosswords 2015-11-17

Science Crosswords crossword puzzle
Across
  1. pure substance that cannot be broken down into other substances
  2. an experiment in which one or more products of a chemical reaction can escape
  3. the smallest part of an element that is representative of that element
  4. principle that matter is not created or destroyed in a chemical reaction
  5. Vertical columns in the periodic table
  6. change that results when two or more substances react to create a different substance
  7. property that describe the physical appearance of a substance
  8. group 17 elements in the periodic table; most reactive non-metals
  9. element that has both metallic and non-metallic properties
  10. measure of atomic mass
  11. description of a solid that can be stretched into a long wire
Down
  1. an experiment in which all reactants and all products of a chemical reaction are accounted for
  2. the temperature in which a solid will melt
  3. chemical reaction that absorbs energy
  4. new substance produced in a chemical reaction between reactants
  5. pure substance formed when non-metals combine
  6. Comes from the Arabic word "alkimiya", meaning "the chemist"
  7. chemical reaction that releases heat
  8. slow chemical change that occurs when oxygen in the air reacts with metal
  9. description of a substance that can be pounded or rolled into sheets
  10. atom that has become electrically charged because it has lost or gained electrons
  11. Horizontal row in the periodic table
  12. substance that reacts with other substances in a chemical reaction to create new substances with different properties
  13. Anything that has mass and occupies space
  14. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy

25 Clues: measure of atomic mass • chemical reaction that releases heat • Horizontal row in the periodic table • chemical reaction that absorbs energy • Vertical columns in the periodic table • Anything that has mass and occupies space • the temperature in which a solid will melt • pure substance formed when non-metals combine • ...

Chemical Reactions 2016-06-21

Chemical Reactions crossword puzzle
Across
  1. The compound formed when iron reacts with oxygen
  2. The ________ properties of a metal determines how likely it is to corrode
  3. During a chemical reaction, atoms are never created or ___________
  4. A type of reaction that proceeds naturally, without energy being continuously added to it
  5. The term given to the corrosion of iron
  6. A type of reaction that continually requires energy to be added to it
  7. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
  8. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
  9. Atoms in substances are held together by chemical bonds that store ___________
  10. The name given to the process which causes atoms in reactants to rearrange into new products
Down
  1. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
  2. A method of preventing corrosion, where the metal is coated with zinc metal
  3. The substances at the beginning of a chemical reaction
  4. The substances at the end of a chemical reaction
  5. HCl
  6. Burning methane with oxygen will produce _________ __________ and water
  7. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
  8. Chemical reactions where a metal reacts with oxygen to form a metal oxide
  9. Particles that make up matter
  10. A group of atoms chemically joined together

20 Clues: HCl • Particles that make up matter • The term given to the corrosion of iron • A group of atoms chemically joined together • The compound formed when iron reacts with oxygen • The substances at the end of a chemical reaction • The substances at the beginning of a chemical reaction • During a chemical reaction, atoms are never created or ___________ • ...

Chemical Reactions and Equations 2025-10-19

Chemical Reactions and Equations crossword puzzle
Across
  1. A representation of a reaction using symbols and formulas.(8,8)
  2. A reaction that releases heat to its surroundings.
  3. Substances present on the left-hand side of a chemical equation.
  4. The process where new substances are formed from old ones.
  5. Prefix meaning “one.”
  6. Compound of nitrogen and oxygen with the formula NO.(8,8)
  7. Slow reaction of a metal with oxygen or water, e.g., rusting.
  8. Reaction between acid and base forming salt and water.
Down
  1. The solid that forms in a precipitation reaction.
  2. Energy often released during an exothermic reaction.
  3. A product that may form and escape as bubbles in a reaction.
  4. Reaction with oxygen that releases heat and light energy.
  5. A reaction written out using the full names of substances.(4,8)
  6. The arrow (→) in a chemical equation means this.
  7. Reaction that produces an insoluble solid from two solutions.
  8. Reaction where a substance gains oxygen or loses electrons.
  9. A visible sign that a chemical reaction has occurred.(6,6)
  10. Substances formed on the right-hand side of a chemical equation.
  11. A reaction that absorbs heat from its surroundings.
  12. Two or more atoms joined together chemically.
  13. A substance made from two or more elements chemically combined.
  14. Energy sometimes given off when a substance burns.

22 Clues: Prefix meaning “one.” • Two or more atoms joined together chemically. • The arrow (→) in a chemical equation means this. • The solid that forms in a precipitation reaction. • A reaction that releases heat to its surroundings. • Energy sometimes given off when a substance burns. • A reaction that absorbs heat from its surroundings. • ...

Chemical Reactions 2016-06-21

Chemical Reactions crossword puzzle
Across
  1. A group of atoms chemically joined together
  2. The compound formed when iron reacts with oxygen
  3. A method of preventing corrosion, where the metal is coated with zinc metal
  4. Chemical reactions where a metal reacts with oxygen to form a metal oxide
  5. HCl
  6. A type of reaction that proceeds naturally, without energy being continuously added to it
  7. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
  8. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
  9. The substances at the beginning of a chemical reaction
  10. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
Down
  1. Burning methane with oxygen will produce _________ __________ and water
  2. The term given to the corrosion of iron
  3. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
  4. The name given to the process which causes atoms in reactants to rearrange into new products
  5. A type of reaction that continually requires energy to be added to it
  6. Particles that make up matter
  7. The ________ properties of a metal determines how likely it is to corrode
  8. The substances at the end of a chemical reaction
  9. During a chemical reaction, atoms are never created or ___________
  10. Atoms in substances are held together by chemical bonds that store ___________

20 Clues: HCl • Particles that make up matter • The term given to the corrosion of iron • A group of atoms chemically joined together • The compound formed when iron reacts with oxygen • The substances at the end of a chemical reaction • The substances at the beginning of a chemical reaction • During a chemical reaction, atoms are never created or ___________ • ...

Chemical Reactions 2016-06-21

Chemical Reactions crossword puzzle
Across
  1. A group of atoms chemically joined together
  2. The compound formed when iron reacts with oxygen
  3. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
  4. Particles that make up matter
  5. The term given to the corrosion of iron
  6. A type of reaction that continually requires energy to be added to it
  7. Atoms in substances are held together by chemical bonds that store ___________
  8. The name given to the process which causes atoms in reactants to rearrange into new products
  9. The ________ properties of a metal determines how likely it is to corrode
  10. During a chemical reaction, atoms are never created or ___________
  11. The substances at the end of a chemical reaction
Down
  1. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
  2. A method of preventing corrosion, where the metal is coated with zinc metal
  3. HCl
  4. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
  5. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
  6. A type of reaction that proceeds naturally, without energy being continuously added to it
  7. Burning methane with oxygen will produce _________ __________ and water
  8. Chemical reactions where a metal reacts with oxygen to form a metal oxide
  9. The substances at the beginning of a chemical reaction

20 Clues: HCl • Particles that make up matter • The term given to the corrosion of iron • A group of atoms chemically joined together • The compound formed when iron reacts with oxygen • The substances at the end of a chemical reaction • The substances at the beginning of a chemical reaction • During a chemical reaction, atoms are never created or ___________ • ...

Physical and Chemical Change Puzzle 2024-06-26

Physical and Chemical Change Puzzle crossword puzzle
Across
  1. The mass per unit volume of a substance.
  2. The process by which a liquid changes into a gas.
  3. A pure substance consisting of only one type of atom.
  4. The distinct forms that different phases of matter take on, namely solid, liquid, and gas.
  5. The ability of a substance to dissolve in another substance, typically a liquid.
  6. A change that can be undone, returning the substance to its original state.
  7. A solid that forms and settles out of a liquid mixture during a chemical reaction.
  8. A characteristic of a substance that is observed during a chemical reaction (e.g., reactivity with acid, flammability).
  9. A substance formed when two or more chemical elements are chemically bonded together.
  10. A substance that takes part in and undergoes change during a reaction.
  11. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Down
  1. The amount of space that a substance or object occupies.
  2. A combination of two or more substances where each retains its own properties and can be separated by physical means.
  3. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. A chemical reaction that absorbs energy from its surroundings.
  5. Anything that has mass and takes up space.
  6. The process by which a solid changes directly into a gas without first becoming a liquid.
  7. A measure of the average kinetic energy of the particles in a substance.
  8. A change in which no new substances are formed and which can often be reversed (e.g., changes in state, shape, or size).
  9. A chemical reaction that releases energy to its surroundings.
  10. The smallest unit of a chemical element that retains its chemical properties.

21 Clues: The mass per unit volume of a substance. • Anything that has mass and takes up space. • The process by which a liquid changes into a gas. • A pure substance consisting of only one type of atom. • The amount of space that a substance or object occupies. • A chemical reaction that releases energy to its surroundings. • ...

Chapter 6 Vocab 2024-03-07

Chapter 6 Vocab crossword puzzle
Across
  1. energy in a system that is compatible of preforming work.
  2. energy associated with motion.
  3. Organic catalyst
  4. Series of linked reactions.
  5. Nucleotide with three phosphate groups.
  6. measure of randomness or disorder in a system
  7. Region of an enzyme where a subtrate blinds
  8. Nucleotide with two phosphate groups that can accept another phosphate group.
  9. stored energy in a potentially usable form.
  10. Means by which cells regulate enzyme activity.
  11. Substance that forms in a result of a reaction.
  12. Chemical reaction that releases energy
  13. energy that must be added
Down
  1. A paired set of chemical reaction where on molecule gives up.
  2. capacity to do work and bring about a change.
  3. Chemical reaction in which smaller molecules are combined to form smaller molecules.
  4. RNA molecules
  5. Substance that participates in a reaction
  6. Nonprotein organic molecule
  7. Organic nutrients
  8. Reaction that occurs simultaniously.
  9. Nonprotien assistant
  10. Two laws explaining energy and its relationships and changes.
  11. Change in shape of an enzyme
  12. Chemical reaction that requires and input of energy.
  13. Metabolic process that breaks down large molecules into smaller ones.
  14. The sum of chemical reactions that occur in a cell.

27 Clues: RNA molecules • Organic catalyst • Organic nutrients • Nonprotien assistant • energy that must be added • Nonprotein organic molecule • Series of linked reactions. • Change in shape of an enzyme • energy associated with motion. • Reaction that occurs simultaniously. • Chemical reaction that releases energy • Nucleotide with three phosphate groups. • ...

Chemical Formulas and Chemical Reactions 2017-02-05

Chemical Formulas and Chemical Reactions crossword puzzle
Across
  1. a chemical reaction that absorbs energy primarily in the form of heat
  2. the new chemicals presented after a reaction
  3. reaction a chemical reaction in which the positive ion of one compound replaces the positive ion of another compound
  4. when water is the solvent for a reaction
  5. reaction a chemical reaction in which one substance breaks down into two or more substances
  6. a number that represents the number of units of each chemical taking part in a reaction
  7. reaction a chemical reaction in which two or more substances combine to form another substance
Down
  1. the chemicals presented before a reaction
  2. reaction a reaction that occurs when a substance reacts with oxygen to release energy in the form of heat and light
  3. an insoluble compound that comes out of solution during a double-displacement reaction
  4. means "written below"
  5. reaction a chemical reaction in which one element replaces another element in a compound
  6. Number the amount of valence electrons gained or lost between metals and nonmetals to become stable
  7. Reaction a change in which one or more substances are converted into new substances while energy is released or absorbed
  8. a reaction in which the energy released is in the form of heat

15 Clues: means "written below" • when water is the solvent for a reaction • the chemicals presented before a reaction • the new chemicals presented after a reaction • a reaction in which the energy released is in the form of heat • a chemical reaction that absorbs energy primarily in the form of heat • ...

Science Crossword 2026-02-11

Science Crossword crossword puzzle
Across
  1. A reaction that takes in heat
  2. Substances that exist before the chemical reaction.
  3. What needs oxygen and causes fire?
  4. Substance that is created after the chemical reaction
  5. A reaction that gives off heat
  6. A reaction involving oxygen
  7. The substance that dissolves the other substance
  8. Gas that is made when the fire is burning.
  9. The breakdown of a compound into smaller substances.
  10. The number in front of formulas in chemical equations.
Down
  1. Mass cannot be destroyed not be created.
  2. "Universal Solvent"
  3. A reaction where two substances combine
  4. When a object changes its substance.
  5. The process of rust forming.
  6. A reaction where atoms swap partners.
  7. The study of chemicals.
  8. A fast and violent reaction
  9. A fire needs this gas to start.
  10. The substance that gets dissolved

20 Clues: "Universal Solvent" • The study of chemicals. • A reaction involving oxygen • A fast and violent reaction • The process of rust forming. • A reaction that takes in heat • A reaction that gives off heat • A fire needs this gas to start. • The substance that gets dissolved • What needs oxygen and causes fire? • When a object changes its substance. • ...

Chemical Reactions 2013-01-17

Chemical Reactions crossword puzzle
Across
  1. In a chemical equation a (g) means
  2. A reaction that gives off heat
  3. An indicator that chemical reaction has taken place (clear + clear = purple)
  4. 1 _____ of any substance has 6.022x10^23
  5. AB + CD --> AD + CB
  6. A + O2 --> AO + H2O
  7. AB --> A + B
  8. A solid that forms out of solution
  9. the type of bond that exists between two nonmentals
  10. Whole number used to balance a chemical equation
  11. A reaction that absorbs heat
  12. In a chemical equation an (s) means
Down
  1. the name given to the number 6.022x10^23
  2. replacement A + BC --> B + AC
  3. Substances present at the initiation of a chemical reaction
  4. A + B --> AB
  5. In a chemical equation an (l) means
  6. stands for aqueous ( which means dissolved in water)
  7. A reaction in which a single element replaces another in a compound
  8. the unit for heat
  9. the type of bond that exists between cations and anions
  10. If a chemical equation has the same number of atoms on the left side and right, the equation is said to be ______
  11. The Right side of a chemical equation

23 Clues: A + B --> AB • AB --> A + B • the unit for heat • A + O2 --> AO + H2O • AB + CD --> AD + CB • A reaction that absorbs heat • A reaction that gives off heat • replacement A + BC --> B + AC • In a chemical equation a (g) means • A solid that forms out of solution • In a chemical equation an (l) means • In a chemical equation an (s) means • The Right side of a chemical equation • ...

types of reactions 2024-04-30

types of reactions crossword puzzle
Across
  1. The opposite of combination, where a single compound breaks down into two or more simpler substances.
  2. Also known as displacement, this reaction involves an element displacing another from a compound.
  3. A substance that undergoes change in a chemical reaction.
  4. A reaction in which one element replaces another in a compound, usually a metal displacing another metal from a compound.
  5. A reaction that absorbs energy from its surroundings, usually in the form of heat.
  6. Displacement A reaction in which two compounds exchange ions to form two new compounds.
Down
  1. A type of chemical reaction where two or more substances combine to form a single new substance.
  2. The speed at which a chemical reaction takes place.
  3. Another term for combination reaction.
  4. A substance that speeds up a chemical reaction without being consumed in the process.
  5. A reaction that releases energy in the form of heat.
  6. A symbolic representation of a chemical reaction, showing the reactants and products involved
  7. A type of double displacement reaction where one of the products is insoluble and forms a solid.
  8. The process of substances undergoing chemical change to form new substances.
  9. A substance that is formed as a result of a chemical reaction.
  10. this type of reaction involves the transfer of electrons between reactants

16 Clues: Another term for combination reaction. • The speed at which a chemical reaction takes place. • A reaction that releases energy in the form of heat. • A substance that undergoes change in a chemical reaction. • A substance that is formed as a result of a chemical reaction. • this type of reaction involves the transfer of electrons between reactants • ...

Eden Blankenship's Crossword 2024-05-15

Eden Blankenship's Crossword crossword puzzle
Across
  1. pure substance that cannot be broken down
  2. transfer of thermal energy
  3. matter changing that doesn't affect chemical compound
  4. a measure of the average kinetic energy
  5. the amount of space an object occupies
  6. molecules of same substances sticking together
  7. the substances formed during a chemical reaction
  8. forces that hold atoms together
  9. material that has mass and takes up some amount of space
  10. a process that changes substances to a new substance
Down
  1. a substance that increases rate of a chemical reaction
  2. a chemical reaction that absorbs heat
  3. a chemical combination of two or more elements
  4. the amount of matter in an object
  5. the smallest unit of matter(makes up matter)
  6. substances present before a chemical reaction
  7. chemical reaction that gives off heat
  8. a combination of substances that can be separated

18 Clues: transfer of thermal energy • forces that hold atoms together • the amount of matter in an object • a chemical reaction that absorbs heat • chemical reaction that gives off heat • the amount of space an object occupies • a measure of the average kinetic energy • pure substance that cannot be broken down • the smallest unit of matter(makes up matter) • ...

Chapter Key Terms 2022-03-18

Chapter Key Terms crossword puzzle
Across
  1. Any change that alters the form or appearance of a substance but does not make that substance into another substance
  2. A reaction that releases energy in the form of heat
  3. A solid that forms from a solution during a chemical reaction
  4. The substances you have at the beginning
  5. A biological catalyst that lowers the activation energy an electron has
  6. A characteristic that describes its ability to change into other substances
  7. The amount of one material ina certain volume of another material
  8. A rapid reaction between oxygen and fuel that results in fire
  9. A change in matter that produces one or more new substances
  10. A system in which no matter is allowed to enter or leave
  11. A characteristic of substances that can be observed without changing the substance into another substance
  12. Anything that has mass and takes up space
  13. A chemical reaction that breaks down compounds into simpler products
  14. A material that releases energy when burned
Down
  1. A reaction which energy is absorbed
  2. A substance formed as a result of a chemical reaction
  3. The minimum amount of energy needed to get a chemical reaction started
  4. A chemical reaction in which two or more simpler substances combine to form a new, more complex substance
  5. The principle stating that matter is not created or destroyed during a chemical reaction
  6. A short, easy way to show a chemical reaction, using symbols instead of words
  7. A material that increases the rate of a reaction by lowering the activation energy
  8. The study of matter and how matter changes
  9. A material that decreases the rate of a reaction
  10. A number in front of a chemical formula in an equation that indicates how may molecules or atoms of each reactant and product are involved in a reaction
  11. A reaction in which one element replaces another in a compound or when two elements in different compounds trade place
  12. A system in which matter can enter or escape to the surroundings

26 Clues: A reaction which energy is absorbed • The substances you have at the beginning • Anything that has mass and takes up space • The study of matter and how matter changes • A material that releases energy when burned • A material that decreases the rate of a reaction • A reaction that releases energy in the form of heat • ...

Unit 2 Biochemistry Vocab 2025-12-17

Unit 2 Biochemistry Vocab crossword puzzle
Across
  1. a substance that decreases the activation energy needed to start a chemical reaction, therefore increases the rate of the chemical reaction
  2. a large molecule made of many monomers bonded together
  3. nonpolar molecules that include fats, oils, wax, and cholesterol
  4. changes substances into different substances by breaking and forming bonds
  5. substances changed during a chemical reaction
  6. measurement of acidity
  7. attraction among molecules of a substance
  8. a subunit in a complete molecule
  9. reaction absorbs more energy than it releases
  10. molecules composed of C, H, and O, energy source (sugar & starches)
  11. the amount of energy that needs to be absorbed for a chemical reaction to start
  12. chemical reaction releases more energy than it absorbs
Down
  1. attraction between a slightly positive hydrogen atom and a slightly negative atom
  2. polymers that are made up of monomers called nucleotides
  3. molecules that contain C, H, O, N, and sometimes S (sulfur), make up proteins
  4. a mixture of substances that is the same throughout
  5. substances made by a chemical reaction
  6. the specific reactants that an enzyme acts on
  7. a polymer made of monomers called amino acids
  8. attraction among molecules of different substances
  9. are catalysts for chemical reactions in living things
  10. has slight positive region and slight negative region

22 Clues: measurement of acidity • a subunit in a complete molecule • substances made by a chemical reaction • attraction among molecules of a substance • substances changed during a chemical reaction • a polymer made of monomers called amino acids • reaction absorbs more energy than it releases • the specific reactants that an enzyme acts on • ...

Chemical Reactions 2016-06-21

Chemical Reactions crossword puzzle
Across
  1. During a chemical reaction, atoms are never created or ___________
  2. The compound formed when iron reacts with oxygen
  3. The name given to the process which causes atoms in reactants to rearrange into new products
  4. A type of reaction that proceeds naturally, without energy being continuously added to it
  5. The term given to the corrosion of iron
  6. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
  7. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
  8. Burning methane with oxygen will produce _________ __________ and water
  9. A group of atoms chemically joined together
Down
  1. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
  2. Chemical reactions where a metal reacts with oxygen to form a metal oxide
  3. HCl
  4. The substances at the end of a chemical reaction
  5. The substances at the beginning of a chemical reaction
  6. The ________ properties of a metal determines how likely it is to corrode
  7. A type of reaction that continually requires energy to be added to it
  8. Particles that make up matter
  9. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
  10. A method of preventing corrosion, where the metal is coated with zinc metal
  11. Atoms in substances are held together by chemical bonds that store ___________

20 Clues: HCl • Particles that make up matter • The term given to the corrosion of iron • A group of atoms chemically joined together • The substances at the end of a chemical reaction • The compound formed when iron reacts with oxygen • The substances at the beginning of a chemical reaction • During a chemical reaction, atoms are never created or ___________ • ...

Chemical Reactions 2016-06-21

Chemical Reactions crossword puzzle
Across
  1. Chemical reactions where a metal reacts with oxygen to form a metal oxide
  2. A method of preventing corrosion, where the metal is coated with zinc metal
  3. The name given to the process which causes atoms in reactants to rearrange into new products
  4. A type of reaction that continually requires energy to be added to it
  5. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
  6. Burning methane with oxygen will produce _________ __________ and water
  7. During a chemical reaction, atoms are never created or ___________
  8. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
Down
  1. The compound formed when iron reacts with oxygen
  2. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
  3. HCl
  4. A type of reaction that proceeds naturally, without energy being continuously added to it
  5. A group of atoms chemically joined together
  6. Particles that make up matter
  7. The substances at the beginning of a chemical reaction
  8. The ________ properties of a metal determines how likely it is to corrode
  9. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
  10. The substances at the end of a chemical reaction
  11. The term given to the corrosion of iron
  12. Atoms in substances are held together by chemical bonds that store ___________

20 Clues: HCl • Particles that make up matter • The term given to the corrosion of iron • A group of atoms chemically joined together • The compound formed when iron reacts with oxygen • The substances at the end of a chemical reaction • The substances at the beginning of a chemical reaction • During a chemical reaction, atoms are never created or ___________ • ...

Chemical Reactions 2016-06-21

Chemical Reactions crossword puzzle
Across
  1. Chemical reactions where a metal reacts with oxygen to form a metal oxide
  2. The compound formed when iron reacts with oxygen
  3. When the atoms in a chemical reaction rearrange to form a solid, a _________ may be observed
  4. The name given to the process which causes atoms in reactants to rearrange into new products
  5. The ________ properties of a metal determines how likely it is to corrode
  6. Burning methane with oxygen will produce _________ __________ and water
  7. When the atoms in a chemical reaction rearrange to form a gas, __________ will be observed
  8. During a chemical reaction, atoms are never created or ___________
  9. The substances at the beginning of a chemical reaction
Down
  1. HCl
  2. Elements such as gold, platinum and mercury do not react with oxygen at all, and are referred to as noble metals
  3. Reacting sodium chloride with silver nitrate will produce __________ _________ and sodium nitrate
  4. A type of reaction that continually requires energy to be added to it
  5. A group of atoms chemically joined together
  6. A method of preventing corrosion, where the metal is coated with zinc metal
  7. The substances at the end of a chemical reaction
  8. Atoms in substances are held together by chemical bonds that store ___________
  9. A type of reaction that proceeds naturally, without energy being continuously added to it
  10. The term given to the corrosion of iron
  11. Particles that make up matter

20 Clues: HCl • Particles that make up matter • The term given to the corrosion of iron • A group of atoms chemically joined together • The compound formed when iron reacts with oxygen • The substances at the end of a chemical reaction • The substances at the beginning of a chemical reaction • During a chemical reaction, atoms are never created or ___________ • ...

Chemical changes 2024-10-31

Chemical changes crossword puzzle
Across
  1. a chemical reaction forms these kinds of substances that weren’t there before
  2. a common chemical change that releases heat and light
  3. a type of chemical change that produces heat and light
  4. the leftover material after wood burns in a fire
  5. chemical reactions cause this to happen to substances
  6. a change in this can indicate a chemical change (another name for smell!)
  7. sometimes released during a chemical reaction, like in fireworks
Down
  1. this can be absorbed or released during a chemical reaction
  2. a liquid that reacts with baking soda to produce bubbles
  3. these can appear during a chemical reaction and indicate gas formation
  4. the process in which substances are changed into different substances
  5. a sign of a chemical change where the temperature increases
  6. a change in this can indicate a chemical reaction
  7. iron forms this reddish-brown substance when it reacts with oxygen
  8. often formed in a chemical reaction, causing bubbling

15 Clues: the leftover material after wood burns in a fire • a change in this can indicate a chemical reaction • a common chemical change that releases heat and light • chemical reactions cause this to happen to substances • often formed in a chemical reaction, causing bubbling • a type of chemical change that produces heat and light • ...

Sydney & Garett 2021-10-07

Sydney & Garett crossword puzzle
Across
  1. What forms the bonds of amino acids during protein synthesis?
  2. Synthesis reaction
  3. Reaction where a larger product is formed
  4. Site of the enzyme where reaction occurs
  5. Building blocks of proteins
  6. Forming or breaking chemical bonds
  7. Cholesterol could be considered a
  8. A starch is a…
  9. What binds to an active site?
  10. Simple sugar
Down
  1. All proteins are…
  2. the breakdown of a larger reactant into smaller products
  3. An enzyme ______ the rate at which a chemical reaction occurs.
  4. Fat-soluble vitamins are
  5. Large molecules composed of carbon, hydrogen, oxygen, and nitrogen bound together by covalent bonds
  6. Decomposition reaction
  7. These go into the chemical reaction
  8. Catabolism + anabolism
  9. These are synthesized during the reaction
  10. Enzymes end in ___

20 Clues: Simple sugar • A starch is a… • All proteins are… • Synthesis reaction • Enzymes end in ___ • Decomposition reaction • Catabolism + anabolism • Fat-soluble vitamins are • Building blocks of proteins • What binds to an active site? • Cholesterol could be considered a • Forming or breaking chemical bonds • These go into the chemical reaction • Site of the enzyme where reaction occurs • ...

Sicence 2022-03-18

Sicence crossword puzzle
Across
  1. "When on element replaces another in a compound, or when two elements in different compounds trade places."
  2. a material that increases the rate of reaction by lowering the activation energy."
  3. "is anything that has mass and takes up space."
  4. The cells in your body contain biological catalysts called ENZYMES."
  5. equation-"is a short, easy way to show a chemical reaction, using symbols instead of words."
  6. "is a amount of a substance in a given volume."
  7. system- " matter is not allowed to enter or leave."
  8. " A solid that form's from solution during a chemical reaction."
  9. "A material used to decrease the rate of a reaction"
  10. of mass- "during a chemical reaction, matter is not created or destroyed
  11. "when two or more elements or compounds combine to make more complex substances the process is called synthesis."
  12. system- "matter can enter from or escape to the surrounding."
  13. property- A characteristic of a substance that can be observed without changing the substance into another substance.
  14. "is a number placed in font of chemical formula in an equation."
Down
  1. reaction- "is a reaction in which energy is absorbed
  2. " a rapid reaction between oxygen and a substance called a fuel.
  3. The substance you have at the beginning"
  4. change- " is any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  5. "When the reaction is complete, you have new substances"
  6. "The study of matter and how matter changes"
  7. energy- "is a minimum amount of energy needed to start a chemical reaction."
  8. "In contrast to a synthesis reaction, a process called DECOMPOSITION breaks down compounds into simpler products."
  9. reaction- A change in matter that produces one or more new substances.
  10. reaction-"A reaction that releases energy in the form of heat"
  11. is a material that releases energy when it burns."
  12. property- a Characteristic of substance that describes its ability to change into other substances.

26 Clues: The substance you have at the beginning" • "The study of matter and how matter changes" • "is anything that has mass and takes up space." • "is a amount of a substance in a given volume." • is a material that releases energy when it burns." • system- " matter is not allowed to enter or leave." • reaction- "is a reaction in which energy is absorbed • ...

Science assignment 2015-12-02

Science assignment crossword puzzle
Across
  1. Chemical reaction that releases energy
  2. Catalyst involved in chemical reactions in living things
  3. substance that helps a chemical reaction to proceed more quickly
  4. Atom that has become electrically charged because it has lost or gained electrons
  5. Element that has both metallic and non-metallic properties
  6. A neutral substance is neither an acid nor a base
  7. Principle that matter is not created or destroyed in a chemical reaction
  8. dull, brittle element that does not conduct electricity
  9. Change that results when two or more substances react to create a different substance or substances
  10. Pure substance that cannot be broken down into other substances
  11. Positively charged center of an atom that contains protons and neutrons
  12. Slow chemical change occurs when oxygen in the air reacts with metal
  13. Group 17 elements in the periodic table, the most reactive non-metals
  14. invisible negatively charged particle that orbits the nucleus o an atom
Down
  1. An experiment in which all reactants and all products of a chemical reaction are accounted for
  2. Chemical reation that occurs when oxygen reacts with a substance to from an new substance and give off energy
  3. Mass of one atom of an element calculated from the total number of protons neutrons and electrons of that atom
  4. An experiment in which one or more products of a chemical reaction can escape
  5. A table in which the elements are organized by their physical and chemical properties
  6. A reaction that takes place when two or more substances react to from a new substance
  7. Number of protons in the nucleus of one atom of an element
  8. shiny, malleable, ductile, elements that conduct electricity
  9. A chemical reaction that absorbs energy
  10. Group 18 elements in the periodic table of elements that is most stable and unreactive elements
  11. Chemical combination of two or more elements in a specific ratio
  12. Substance that reacts with another substance or substances in a chemical reaction to create new substances with other substances

26 Clues: Chemical reaction that releases energy • A chemical reaction that absorbs energy • A neutral substance is neither an acid nor a base • dull, brittle element that does not conduct electricity • Catalyst involved in chemical reactions in living things • Element that has both metallic and non-metallic properties • ...

Science assignment 2015-12-02

Science assignment crossword puzzle
Across
  1. Number of protons in the nucleus of one atom of an element
  2. dull, brittle element that does not conduct electricity
  3. A table in which the elements are organized by their physical and chemical properties
  4. Element that has both metallic and non-metallic properties
  5. Change that results when two or more substances react to create a different substance or substances
  6. Group 17 elements in the periodic table, the most reactive non-metals
  7. Mass of one atom of an element calculated from the total number of protons neutrons and electrons of that atom
  8. A reaction that takes place when two or more substances react to from a new substance
  9. An experiment in which all reactants and all products of a chemical reaction are accounted for
  10. Substance that reacts with another substance or substances in a chemical reaction to create new substances with other substances
  11. Catalyst involved in chemical reactions in living things
  12. Positively charged center of an atom that contains protons and neutrons
  13. Group 18 elements in the periodic table of elements that is most stable and unreactive elements
  14. Slow chemical change occurs when oxygen in the air reacts with metal
  15. Chemical combination of two or more elements in a specific ratio
  16. shiny, malleable, ductile, elements that conduct electricity
Down
  1. Pure substance that cannot be broken down into other substances
  2. Principle that matter is not created or destroyed in a chemical reaction
  3. Chemical reaction that releases energy
  4. A chemical reaction that absorbs energy
  5. invisible negatively charged particle that orbits the nucleus o an atom
  6. An experiment in which one or more products of a chemical reaction can escape
  7. substance that helps a chemical reaction to proceed more quickly
  8. Atom that has become electrically charged because it has lost or gained electrons
  9. Chemical reation that occurs when oxygen reacts with a substance to from an new substance and give off energy
  10. A neutral substance is neither an acid nor a base

26 Clues: Chemical reaction that releases energy • A chemical reaction that absorbs energy • A neutral substance is neither an acid nor a base • dull, brittle element that does not conduct electricity • Catalyst involved in chemical reactions in living things • Number of protons in the nucleus of one atom of an element • ...

Chemistry Chapter 9 2020-04-17

Chemistry Chapter 9 crossword puzzle
Across
  1. is a balanced equation that describes a reaction occurring in a solution
  2. occurs when one element replaces another element in one compound
  3. a type of chemical reaction where two compounds react, and the cations and the anion switch
  4. is a substance that dissolves a solute
  5. is an ion that does not take part in the chemical reaction and is found in solution both before and after the reaction
  6. a solution in which the solvent is water
Down
  1. a process that involves rearrangement of the molecular or ionic structure of a substance
  2. to be deposited in solid form from a solution
  3. type of chemical reaction in which one reactant yields two or more products
  4. a type of reaction in which multiple reactants combine to form a single product
  5. a type of chemical reaction in which a compound and an oxidant are reacted to produce heat and a new product
  6. a product is a substance that is formed as the result of a chemical reaction
  7. the symbolic representation of a chemical reaction in the form of symbols and formula
  8. gives the number of molecules (or atoms) involved in the reaction
  9. s an ion that does not take part in the chemical reaction and is found in solution both before and after the reaction
  10. a substance that takes part in and undergoes change during a reaction
  11. component in a solution, dissolved in the solvent

17 Clues: is a substance that dissolves a solute • a solution in which the solvent is water • to be deposited in solid form from a solution • component in a solution, dissolved in the solvent • occurs when one element replaces another element in one compound • gives the number of molecules (or atoms) involved in the reaction • ...

Sydney & Garett 2021-10-07

Sydney & Garett crossword puzzle
Across
  1. What forms the bonds of amino acids during protein synthesis?
  2. Synthesis reaction
  3. Reaction where a larger product is formed
  4. Site of the enzyme where reaction occurs
  5. Building blocks of proteins
  6. Forming or breaking chemical bonds
  7. Cholesterol could be considered a
  8. A starch is a…
  9. What binds to an active site?
  10. Simple sugar
Down
  1. All proteins are…
  2. the breakdown of a larger reactant into smaller products
  3. An enzyme ______ the rate at which a chemical reaction occurs.
  4. Fat-soluble vitamins are
  5. Large molecules composed of carbon, hydrogen, oxygen, and nitrogen bound together by covalent bonds
  6. Decomposition reaction
  7. These go into the chemical reaction
  8. Catabolism + anabolism
  9. These are synthesized during the reaction
  10. Enzymes end in ___

20 Clues: Simple sugar • A starch is a… • All proteins are… • Synthesis reaction • Enzymes end in ___ • Decomposition reaction • Catabolism + anabolism • Fat-soluble vitamins are • Building blocks of proteins • What binds to an active site? • Cholesterol could be considered a • Forming or breaking chemical bonds • These go into the chemical reaction • Site of the enzyme where reaction occurs • ...

CHAPTER 2 NUMBER 1 2014-11-18

CHAPTER 2 NUMBER 1 crossword puzzle
Across
  1. chemical substance that neutralizes alkalis, dissolves some metals
  2. a stable subatomic particle with a charge of negative electricity
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. REACTION chemical reaction that involves the gaining of electrons
  5. something that binds, fastens, confines, or holds together.
  6. the disconnection or separation of something from something else or the state of being disconnected.
  7. ION diatomic anion with chemical formula OH−
  8. a thing that is composed of two or more separate elements
  9. solution solution in which the solvent is water.
  10. physical substance in general
Down
  1. positive electric charge
  2. BOND bonding between a non-metal and a metal
  3. LEVEL the fixed amount of energy that a system described by quantum mechanics
  4. REACTION reaction that loses energy during the process of the reaction
  5. REACTION The term "redox" comes from two concepts involved with electron transfer
  6. a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).
  7. solution ability of a solute to be dissolved in a solvent.
  8. the strength and vitality required for sustained physical or mental activity.
  9. the basic unit of a chemical element.
  10. prevents incompatible or antagonistic people or things from coming into contact with or harming each other.
  11. a substance that takes part in and undergoes change during a reaction.

21 Clues: positive electric charge • physical substance in general • the basic unit of a chemical element. • BOND bonding between a non-metal and a metal • ION diatomic anion with chemical formula OH− • solution solution in which the solvent is water. • a thing that is composed of two or more separate elements • solution ability of a solute to be dissolved in a solvent. • ...

Sicence 2022-03-18

Sicence crossword puzzle
Across
  1. "When on element replaces another in a compound, or when two elements in different compounds trade places."
  2. a material that increases the rate of reaction by lowering the activation energy."
  3. "is anything that has mass and takes up space."
  4. The cells in your body contain biological catalysts called ENZYMES."
  5. equation-"is a short, easy way to show a chemical reaction, using symbols instead of words."
  6. "is a amount of a substance in a given volume."
  7. system- " matter is not allowed to enter or leave."
  8. " A solid that form's from solution during a chemical reaction."
  9. "A material used to decrease the rate of a reaction"
  10. of mass- "during a chemical reaction, matter is not created or destroyed
  11. "when two or more elements or compounds combine to make more complex substances the process is called synthesis."
  12. system- "matter can enter from or escape to the surrounding."
  13. property- A characteristic of a substance that can be observed without changing the substance into another substance.
  14. "is a number placed in font of chemical formula in an equation."
Down
  1. reaction- "is a reaction in which energy is absorbed
  2. " a rapid reaction between oxygen and a substance called a fuel.
  3. The substance you have at the beginning"
  4. change- " is any change that alters the form or appearance of a substance but that does not make the substance into another substance.
  5. "When the reaction is complete, you have new substances"
  6. "The study of matter and how matter changes"
  7. energy- "is a minimum amount of energy needed to start a chemical reaction."
  8. "In contrast to a synthesis reaction, a process called DECOMPOSITION breaks down compounds into simpler products."
  9. reaction- A change in matter that produces one or more new substances.
  10. reaction-"A reaction that releases energy in the form of heat"
  11. is a material that releases energy when it burns."
  12. property- a Characteristic of substance that describes its ability to change into other substances.

26 Clues: The substance you have at the beginning" • "The study of matter and how matter changes" • "is anything that has mass and takes up space." • "is a amount of a substance in a given volume." • is a material that releases energy when it burns." • system- " matter is not allowed to enter or leave." • reaction- "is a reaction in which energy is absorbed • ...

Science 2017-05-18

Science crossword puzzle
Across
  1. a black coating of silver sulfide that is produced when silver reacts with sulfur in food or the atmosphere; chemical formula Ag2S
  2. a green coating of copper hydroxide that is produced when copper reacts with moisture, carbon dioxide and oxygen in the atmosphere; chemical formula Cu(OH)2
  3. the process that breaks down large molecules in food into smaller ones that can be absorbed by the body
  4. a term used to describe materials that store carbon in their structures
  5. highly combustible chemicals
  6. combustion that occurs when there is plenty of oxygen; it produces carbon dioxide and water vapour
  7. respiration a reaction that uses oxygen to release energy stores in glucose
  8. structures on roots and stems that allow gas exchange to take place
  9. 10 hydrated iron oxide; chemical formula Fe2O3.H2O
  10. a chemical reaction that releases energy
  11. a helper chemical that speeds up chemical reactions in living things
  12. a chemical reaction that absorbs energy
  13. a chemical equation that has the same number of each type of atom on both sides of the arrow
  14. the movement of chemicals from an area of high concentration an an area of low concentration
  15. endothermic reaction that takes place in green plants
  16. chemicals that take part in a chemical reaction; they are written on the left-hand side of the arrow
  17. rain that has acids such as nitric acid and sulfric acid dissolved in it
Down
  1. a series of chemical reactions that releases energy from glucose it takes place in the mitochondria inside cells
  2. a way of protecting aluminium from corrosion, by deliberately creating a layer of aluminium oxide over it
  3. equation simple written description of what is happening in the reaction
  4. chemicals produced in a chemical reaction; they are written on the right-hand side of the arrow
  5. a rapid reaction with oxygen that releases energy in the form of heat and/or light
  6. atoms are not created or destroyed in a chemical reaction; they can only be rearranged
  7. a reaction of an acid with a base, forming a salt and water
  8. a simple sugar produced by photosynthesis; chemical formula C6H12O6
  9. combustion that occurs when oxygen is limited; produces carbon and carbon monoxide, and does not release as much heat or light as complete combustion
  10. the term commonly used for sodium chloride
  11. the green chemical found in the chloroplasts of green plants that traps the Sun's energy for photosynthesis
  12. the breakdown of metals due to their reaction with other chemicals

29 Clues: highly combustible chemicals • a chemical reaction that absorbs energy • a chemical reaction that releases energy • the term commonly used for sodium chloride • 10 hydrated iron oxide; chemical formula Fe2O3.H2O • endothermic reaction that takes place in green plants • a reaction of an acid with a base, forming a salt and water • ...

Vocabulary Crossword Puzzle 2015-09-07

Vocabulary Crossword Puzzle crossword puzzle
Across
  1. molecular subunit of a polymer
  2. substance in which solutes dissolve and that is present in greatest concentration in a solution
  3. large carbon-based molecule formed by monomers
  4. substance that dissolves in a solvent and is present at a lower concentration than the solvent
  5. polymer composed of amino acids linked by peptide bonds; folds into a particular structures depending on bonds between amino acids
  6. monomer that forms DNA and has a phosphate group, a sugar and nitrogen containing base
  7. chemical reaction in which water is formed when two molecules are joined
  8. attraction between atoms that creates chemical substance containing two or more atoms
  9. molecule composed of carbon, hydrogen and oxygen; includes sugars and starches
  10. chemical reaction in which a water molecule is broken and one molecule is broken down into two products
  11. polymer of nucleotides, the genetic material of organisms
  12. molecule that makes a protein; composed of carbon, hydrogen, oxygen, nitrogen and sometimes sulfur
  13. substance that decreases activation energy and increases reaction rate in a chemical reaction
Down
  1. large organic molecule
  2. reactant in a chemical reaction upon which an enzyme acts
  3. nonpolar molecule composed of carbon, hydrogen, and oxygen; includes fats and oils
  4. substance formed by a chemical reaction
  5. carbohydrate monomer made of only one sugar molecule
  6. process by which substances change into different substances through the breaking and forming of chemical bonds
  7. energy input necessary to initiate a chemical reaction
  8. protein that catalyzes chemical reactions for organisms

21 Clues: large organic molecule • molecular subunit of a polymer • substance formed by a chemical reaction • large carbon-based molecule formed by monomers • carbohydrate monomer made of only one sugar molecule • energy input necessary to initiate a chemical reaction • protein that catalyzes chemical reactions for organisms • ...

The Road So Far.... 2026-01-12

The Road So Far.... crossword puzzle
Across
  1. Chemical reaction where energy is released (gets warmer)
  2. Reaction Reaction where atoms rearrange to form new substances
  3. Too small to see (needs a microscope to be seen)
  4. State change from gas to liquid
  5. Type of extended structurethat repeats in 3D
  6. State change from gas to solid
  7. Two or more atoms bonded together
  8. How well a substance dissolves in another substance
  9. State change from liquid to solid
  10. Amount of mass per unit volume (ex: lab where we saw if something floats or sinks in water)
  11. Forms of _____ are needed for a chemical reaction to happen
  12. Anything that takes up space and has mass
  13. State change from solid to gas (ex: dry ice)
Down
  1. Big enough to be seen without a microscope (you can see it with your eyes)
  2. How well a substance burns
  3. Substances used in a chemical reaction
  4. State change from liquid to gas
  5. Building blocks of matter
  6. Molecules made in a chemical reaction
  7. Types of atoms
  8. Measures how fast or slow particles in a substance move
  9. Type of extended structure that repeats in a chain-like pattern
  10. Chemical reaction where energy is absorbed (gets colder)
  11. State change from solid to liquid

24 Clues: Types of atoms • Building blocks of matter • How well a substance burns • State change from gas to solid • State change from liquid to gas • State change from gas to liquid • Two or more atoms bonded together • State change from liquid to solid • State change from solid to liquid • Molecules made in a chemical reaction • Substances used in a chemical reaction • ...

ch-1 2019-10-03

ch-1 crossword puzzle
Across
  1. rancidity Change in food taste and odour
  2. displacement reaction Both the rectants displaces the other.
  3. reaction Reduction + oxidation
  4. reaction Rearrangement of reactants from their actual place.
  5. reaction two or more reactants combines to form products.
  6. corrosion Reaction of metal with air and water
  7. reaction Heat released from reaction
Down
  1. Parts of a chemical reacation
  2. chemical equation Reaction with equal number of entities.
  3. Reaction Splitting of reactants into products
  4. reaction Heat required for reaction
  5. EQUATION REPRESENTATION OF A REACTION
  6. REACTIONS REACTIONS BY CHEMICALS
  7. Parts of a chemical reaction

14 Clues: Parts of a chemical reaction • Parts of a chemical reacation • reaction Reduction + oxidation • REACTIONS REACTIONS BY CHEMICALS • reaction Heat required for reaction • reaction Heat released from reaction • EQUATION REPRESENTATION OF A REACTION • rancidity Change in food taste and odour • Reaction Splitting of reactants into products • ...

Chemical Reactions 2022-02-08

Chemical Reactions crossword puzzle
Across
  1. A measure of the amount of one substance that is dissolved in another substance is called ______________.
  2. __________________ is when the amount of energy that you begin with must equal the amount of energy you end up with.
  3. The arrow sign that splits the reactants and products.
  4. _______ _________ is when solid forms from a liquid solution. It is another sign of a chemical reaction.
  5. ________ ____________ __________ is the reaction when two elements in compounds switch places, causing a new compound to form.
  6. A ________ shows how many atoms there are in an element.
  7. A __________ _________ is a formula that shows the elements in a compound.
  8. A ________ is used, mostly seen as a plus sign, to separate compounds.
  9. A _______ _________ is a written out form of a chemical reaction.
  10. One of the signs of a chemical reaction happening is ___ __________, it is when gas forms.
  11. ______ _________ is when you start with two compounds and end up with one as the product in a chemical equation
  12. You add a _________ to help balance out a chemical equation.
Down
  1. A _______ is needed to end up with a product.
  2. ___________ is when energy is absorbed.
  3. _________ ________ is needed to start a chemical reaction.
  4. _______ in a chemical reaction can be released or absorbed.
  5. _______ _________ _____ is the reaction when one element in a compound switch places with another, causing a new compound to form.
  6. __________________ is when the amount of mass that you begin with must equal the amount of mass you end up with.
  7. You end up with a _______ when two reactants form a new compound.
  8. A(n) _______ is used to slow down a chemical reaction.
  9. _______ _________ is when chemicals form together to create a compound.
  10. ____________ _________ is the reaction where you start with a compound and it "decomposes," causing it to split up into substances.
  11. __________ is when energy is released.
  12. A ________ speeds up a chemical reaction without being permanently changed.

24 Clues: __________ is when energy is released. • ___________ is when energy is absorbed. • A _______ is needed to end up with a product. • The arrow sign that splits the reactants and products. • A(n) _______ is used to slow down a chemical reaction. • A ________ shows how many atoms there are in an element. • _________ ________ is needed to start a chemical reaction. • ...

Chemical Reactions 2025-12-15

Chemical Reactions crossword puzzle
Across
  1. a chemical reaction in which heat is released to the surroundings
  2. The Law that states that energy cannot be created or destroyed but can change form
  3. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and products
  4. a reaction in which two or more substances combine to form a new compound
  5. the substance that forms in a chemical reaction
  6. a substance that participates in the chemical reaction
  7. a substance that slows down a chemical reaction
  8. The minimum amount of energy required to start a chemical reaction
  9. a reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds
Down
  1. a reaction in which a single compound breaks down to form two or more simpler substances
  2. A chemical reaction that requires heat
  3. an oxidation reaction of an organic compound, in which heat is released
  4. The process by which one or more substances change to produce one or more different substances
  5. A combination of chemical symbols and numbers to represent a substance
  6. a substance that changes the rate of a chemical reaction without being used up or changed very much

15 Clues: A chemical reaction that requires heat • the substance that forms in a chemical reaction • a substance that slows down a chemical reaction • a substance that participates in the chemical reaction • a chemical reaction in which heat is released to the surroundings • The minimum amount of energy required to start a chemical reaction • ...

dakota crossword 2024-05-15

dakota crossword crossword puzzle
Across
  1. a change of materials into another
  2. a substance that can be observed in a chemical reaction
  3. a substance that speeds up a chemical reaction
  4. reactants getting converted into products
  5. an attraction between atoms
  6. heat being generated or lost
Down
  1. attraction of water molecules
  2. thermal energy being transferred
  3. a change in physical properties
  4. a substance being observed with out changing the identity of the object
  5. a chemical reaction that absorbs heat
  6. basic part of a whole
  7. smallest part of a substance that cant be broken down
  8. a science that deals with coposition
  9. a chemical reaction that gives off heat
  10. a substance that is present at the end of a chemical reaction
  11. amount of mater in an object
  12. a substance made from two or more different elements

18 Clues: basic part of a whole • an attraction between atoms • amount of mater in an object • heat being generated or lost • attraction of water molecules • a change in physical properties • thermal energy being transferred • a change of materials into another • a science that deals with coposition • a chemical reaction that absorbs heat • a chemical reaction that gives off heat • ...

Chemical Reaction Crosword 2023-01-24

Chemical Reaction Crosword crossword puzzle
Across
  1. starting substance that is part of a chemical reaction
  2. a process where atoms rearrange to form a new substance
  3. to change the order or position of something
  4. letters and numbers showing the types and number of atoms that repeat to make up a substance
  5. everything is made of this
  6. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  7. the point where something melts
  8. something that can be observed about a substance, such as color, smell, or boiling point
Down
  1. something that is made of all the same atoms or groups of atoms
  2. the relative size of things
  3. a group of atoms joined together in a particular way
  4. a structure formed by repeating groups of atoms linked together in a large network
  5. something that is added to dirt and soil to help plants grow
  6. an ending substance that is made during a chemical reaction
  7. to rust or corrode
  8. the point when water gets hot and bubbles

16 Clues: to rust or corrode • everything is made of this • the point where something melts • the point when water gets hot and bubbles • the relative size of things • to change the order or position of something • a group of atoms joined together in a particular way • starting substance that is part of a chemical reaction • ...

Science assignment 2015-12-02

Science assignment crossword puzzle
Across
  1. Catalyst involved in chemical reactions in living things
  2. Mass of one atom of an element calculated from the total number of protons neutrons and electrons of that atom
  3. A reaction that takes place when two or more substances react to from a new substance
  4. Pure substance that cannot be broken down into other substances
  5. A neutral substance is neither an acid nor a base
  6. Atom that has become electrically charged because it has lost or gained electrons
  7. substance that helps a chemical reaction to proceed more quickly
  8. An experiment in which all reactants and all products of a chemical reaction are accounted for
  9. Positively charged center of an atom that contains protons and neutrons
  10. Chemical reaction that releases energy
  11. Number of protons in the nucleus of one atom of an element
Down
  1. dull, brittle element that does not conduct electricity
  2. A table in which the elements are organized by their physical and chemical properties
  3. Chemical reation that occurs when oxygen reacts with a substance to from an new substance and give off energy
  4. A chemical reaction that absorbs energy
  5. Group 18 elements in the periodic table of elements that is most stable and unreactive elements
  6. Principle that matter is not created or destroyed in a chemical reaction
  7. Change that results when two or more substances react to create a different substance or substances
  8. An experiment in which one or more products of a chemical reaction can escape
  9. Group 17 elements in the periodic table, the most reactive non-metals
  10. Slow chemical change occurs when oxygen in the air reacts with metal
  11. invisible negatively charged particle that orbits the nucleus o an atom
  12. Element that has both metallic and non-metallic properties
  13. Chemical combination of two or more elements in a specific ratio
  14. shiny, malleable, ductile, elements that conduct electricity
  15. Substance that reacts with another substance or substances in a chemical reaction to create new substances with other substances

26 Clues: Chemical reaction that releases energy • A chemical reaction that absorbs energy • A neutral substance is neither an acid nor a base • dull, brittle element that does not conduct electricity • Catalyst involved in chemical reactions in living things • Element that has both metallic and non-metallic properties • ...

Cale Wyatt crossword 2022-11-10

Cale Wyatt crossword crossword puzzle
Across
  1. a way to show a chemical change.
  2. A substance that undergoes the chemical change.
  3. is any change that alters the form or appearance of a substance.
  4. a new substance that forms.
  5. is a number place in front of the chemical formula.
  6. a matter can enter form or escape to the surroundings.
  7. when one element replaces another element.
  8. increase the reaction rate by lowering that activation.
  9. a catalyst that helps reactions occur at our body temperature.
  10. a solid that forms from liquids during a chemical reaction.
Down
  1. the amount of a substance in a given volume.
  2. more energy is required to break then bonds of the reactants then is released.
  3. a change in matter that produces one our more substances.
  4. the states during a chemical reaction matter is not created or destroyed.
  5. minimum amount of energy needed to start a chemical reaction.
  6. a reaction when compounds break down.
  7. when two or more elements combine to make a more complex substance.
  8. the energy released as the product form is greater than the energy required.
  9. a matter does not enter or leave.
  10. a material used to decrease the rate of a chemical reaction.

20 Clues: a new substance that forms. • a way to show a chemical change. • a matter does not enter or leave. • a reaction when compounds break down. • when one element replaces another element. • the amount of a substance in a given volume. • A substance that undergoes the chemical change. • is a number place in front of the chemical formula. • ...

Chemistry Crossword 2013-10-09

Chemistry Crossword crossword puzzle
Across
  1. measure of the total energy of a thermodynamic system
  2. decreases activity in chemical reactions
  3. a collision between two reactants with the correct orientation and with sufficient energy to overcome the activation energy barrier
  4. the outside part or uppermost layer
  5. slowest step of a chemical reaction that determines the speed (rate) of the overall reaction
  6. study of the speed with which a chemical reaction occurs and the factors that affect this speed
  7. the abundance of a constituent divided by the total volume of a mixture
  8. the physical state of elements or compounds that are taking part in a chemical reaction
  9. behavior of a reaction
  10. the exertion of force upon a surface by an object
Down
  1. the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction
  2. explains how chemical reactions occur and why reaction rates differ for different reactions
  3. a collision between two reactants with the incorrect orientation and with insufficient energy to overcome the activation energy barrier
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. step by step sequence of elementary reactions by which overall chemical change occurs
  6. transition state molecule, with some bonds partially broken and other bonds partially formed
  7. the degree or intensity of heat present in a substance
  8. how fast or slow a reaction takes place

18 Clues: behavior of a reaction • the outside part or uppermost layer • how fast or slow a reaction takes place • decreases activity in chemical reactions • the exertion of force upon a surface by an object • measure of the total energy of a thermodynamic system • the degree or intensity of heat present in a substance • ...

dakota crossword 2024-05-15

dakota crossword crossword puzzle
Across
  1. a change of materials into another
  2. a substance that can be observed in a chemical reaction
  3. a substance that speeds up a chemical reaction
  4. reactants getting converted into products
  5. an attraction between atoms
  6. heat being generated or lost
Down
  1. attraction of water molecules
  2. thermal energy being transferred
  3. a change in physical properties
  4. a substance being observed with out changing the identity of the object
  5. a chemical reaction that absorbs heat
  6. basic part of a whole
  7. smallest part of a substance that cant be broken down
  8. a science that deals with coposition
  9. a chemical reaction that gives off heat
  10. a substance that is present at the end of a chemical reaction
  11. amount of mater in an object
  12. a substance made from two or more different elements

18 Clues: basic part of a whole • an attraction between atoms • amount of mater in an object • heat being generated or lost • attraction of water molecules • a change in physical properties • thermal energy being transferred • a change of materials into another • a science that deals with coposition • a chemical reaction that absorbs heat • a chemical reaction that gives off heat • ...

Chapter 4 - Chemical Reactions 2023-03-22

Chapter 4 - Chemical Reactions crossword puzzle
Across
  1. a law that states nothing is created or destroyed in a chemical reaction
  2. system in which matter cannot enter or leave
  3. the amount of a substance in a given volume
  4. when one element or compound replaces another
  5. energy the minimum amount of energy needed to start a chemical reaction
  6. absorb heat energy
  7. a way to show a chemical reaction using symbols instead of words
  8. a change in matter that produces one or more new substances
  9. increases reaction rate by lowering activation energy needed
  10. system in which matter can enter or escape into surroundings
Down
  1. the number placed in front of a chemical formula in an equation
  2. compounds break down into simpler substance
  3. the new substances that are formed in a chemical reaction
  4. a biological catalyst
  5. any change that alters the form or appearance of a substance but does not change it into another substance
  6. two or more elements or compounds combine to make a more complex substance
  7. release heat energy
  8. substances that undergo a chemical change
  9. a solid that forms from liquids
  10. a material used to decrease the reate of a chemical reaction

20 Clues: absorb heat energy • release heat energy • a biological catalyst • a solid that forms from liquids • substances that undergo a chemical change • compounds break down into simpler substance • the amount of a substance in a given volume • system in which matter cannot enter or leave • when one element or compound replaces another • ...

Chemical and Physical Changes 2022-12-12

Chemical and Physical Changes crossword puzzle
Across
  1. Creates a new substance.
  2. ability to burn.
  3. chemical reaction that releases heat and feels warm.
  4. physical change of state from solid to a liquid.
  5. evidence of a chemical change.
  6. equation that has the same number of atoms on each side.
  7. characteristic of matter that can be observed as it changes to a different type of matter.
  8. physical change of state from a solid to a gas.
  9. Change in form or state of matter.
Down
  1. mass before a reaction is the same as the mass after a reaction.
  2. chemical reaction that absorbs heat and feels cold.
  3. physical change of state from a gas to a liquid.
  4. bond between two atoms that make a molecule.
  5. physical change of state from a liquid to a solid.
  6. substance resulting from a chemical reaction.
  7. equation that shows what occured during a chemical reaction.
  8. physical change of state from a liquid to a gas.
  9. evidence of a chemical change.
  10. evidence of a chemical change.
  11. substances before a chemical reaction.

20 Clues: ability to burn. • Creates a new substance. • evidence of a chemical change. • evidence of a chemical change. • evidence of a chemical change. • Change in form or state of matter. • substances before a chemical reaction. • bond between two atoms that make a molecule. • substance resulting from a chemical reaction. • physical change of state from a solid to a gas. • ...

Chapter 8 Vocab 2023-03-20

Chapter 8 Vocab crossword puzzle
Across
  1. Electrolyte: A substance that dissolves in water, dissociating completely into ions.
  2. Base Reaction: A reaction that forms water when an acid is mixed with a base
  3. Reaction: A chemical reaction in which a compound is formed from simpler materials
  4. Solid: A solid that readily dissolves in water.
  5. Reaction: an oxidation–reduction reaction that involves O2
  6. Equation: A chemical showing the complete forms of all reactants and products.
  7. Replacement Reaction: A reaction in which one element replaces another element in a compound
  8. A substance that produces hydroxide ions in solution; a proton acceptor
  9. Reaction: A chemical reaction involving the transfer of electrons
  10. Base: A base that completely dissociates to produce ions in solution
  11. Acid: An acid that completely dissociates (ionizes) to produce ions in solution
Down
  1. The solid that forms in a precipitation reaction.
  2. Reaction: A reaction in which a solid forms and separates from the solution as a solid.
  3. Displacement Reaction: A reaction in which ions in two compounds exchange places, forming two new compounds
  4. Solid: A solid that dissolves to such a small degree that it is not detectable to the naked eye.
  5. Ionic Equation: A chemical equation for a reaction in solution representing all strong electrolytes
  6. A substance that produces hydrogen ions in an aqueous solution; a proton donor.
  7. Ionic Equation: A chemical equation for a reaction in solution showing only those components that are directly involved in the reaction; strong electrolytes are represented as ions.
  8. An ionic compound
  9. Ion: Ions present in solution that do not participate directly in a reaction

20 Clues: An ionic compound • Solid: A solid that readily dissolves in water. • The solid that forms in a precipitation reaction. • Reaction: an oxidation–reduction reaction that involves O2 • Reaction: A chemical reaction involving the transfer of electrons • Base: A base that completely dissociates to produce ions in solution • ...

Reactions of Matter Vocabulary Assignment 2024-11-06

Reactions of Matter Vocabulary Assignment crossword puzzle
Across
  1. Equation: 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.
  2. Chemical Equation: is a chemical equation with the same number of atoms of each element on both sides of the arrow
  3. reaction: Are those which absorb energy from the surroundings and result in a net decrease in temperature
  4. 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
  5. reaction: A chemical reaction that releases energy in the form of light or heat
  6. of Conservation of Mass: for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity cannot be added or removed.
  7. 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.
Down
  1. reaction: A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  2. Loss of Electrons
  3. A substance that takes part in and undergoes change during a reaction
  4. The amount of a substance that contains 6.02 x 1023 particles of that substance
  5. of reaction: The speed at which reactants are converted in products
  6. Is a substance that is formed as the result of a chemical reaction.
  7. Mass: Mass in grams of one mole of a substance
  8. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  9. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  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
  11. Gain of electrons

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

CROSSWORD 2020-01-17

CROSSWORD crossword puzzle
Across
  1. is one which results in a net decrease in temperature because it absorbs heat from the surroundings and stores the energy in the bonds formed in the reaction
  2. is a mathematical relationship obtained by comparing reaction rates with reactant concentrations
  3. is a decrease in volume due to the lower internal pressure
  4. is the process of measuring the amount of heat released or absorbed during a chemical reaction
  5. is a chemical change which forms new substances
  6. the minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation or physical transport
  7. is a chemical reaction wherein the rate does not vary with the increase or decrease in the concentration of the reactants
  8. is a chemical reaction that releases energy through light or heat
  9. refers to the amount of a substance per defined space
  10. is the study of the heat energy which is associated with chemical reactions and/or physical transformations
Down
  1. is a force exerted by the substance per unit area on another substance
  2. are substances initially present in a chemical reaction that are consumed during the reaction to make products
  3. refers to the spatial dilation of a material that occurs upon changes in its composition
  4. is the quantity of three-dimensional space occupied by a liquid, solid, or gas
  5. is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions
  6. the speed at which a chemical reaction proceeds
  7. the branch of physical science that deals with the relations between heat and other forms of energy
  8. is a reaction that proceeds at a rate that depends linearly on only one reactant concentration
  9. is always defined in terms or reactant (not product) concentrations
  10. is the sum of the internal energy added to the product of the pressure and volume of the system

20 Clues: the speed at which a chemical reaction proceeds • is a chemical change which forms new substances • refers to the amount of a substance per defined space • is a decrease in volume due to the lower internal pressure • is a chemical reaction that releases energy through light or heat • is always defined in terms or reactant (not product) concentrations • ...

Unit 7 Vocab 2023-01-03

Unit 7 Vocab crossword puzzle
Across
  1. an amount of a substance that contains approximately 6.02 x 1023 particles of the substance
  2. the mass of one mole of a substance
  3. the energy stored in chemical bonds
  4. new substances formed as a result of a chemical reaction
  5. a chemical reaction that releases energy to its surroundings
  6. a chemical reaction in which one element takes the place of another element in a compound
  7. numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  8. a chemical reaction in which two or more substances react to form a single substance
Down
  1. a chemical reaction in which a compound breaks down into two or more simpler substances
  2. a chemical reaction in which two compounds exchange positive ions and form new compounds
  3. equation a representation of a chemical reaction in which the reactants and products are expressed as formulas
  4. a chemical reaction that absorbs energy from its surroundings
  5. substances that undergo change in a chemical reaction

13 Clues: the mass of one mole of a substance • the energy stored in chemical bonds • substances that undergo change in a chemical reaction • new substances formed as a result of a chemical reaction • a chemical reaction that releases energy to its surroundings • a chemical reaction that absorbs energy from its surroundings • ...

Chemistry Terms 2016-02-12

Chemistry Terms crossword puzzle
Across
  1. release energy in the form of heat and light, so they are exothermic
  2. is a type of reaction that occurs when the cations and anions switch between two reactants to form new products
  3. are molecules made of two atoms chemically bonded together. The atoms can be of the same element
  4. Substances initially present in a chemical reaction that are consumed during the reaction to make products
  5. is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solution
  6. 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
  7. A number or symbol multiplied with a variable or an unknown quantity in an algebraic term
  8. Also referred to as reaction yield, is the amount of product obtained in a chemical reaction. The absolute yield can be given as the weight in grams or in moles
  9. In chemical formulas the number of atoms in a molecule
  10. A decomposition reaction is a type of chemical reaction where one reactant yields two or more products.
Down
  1. A process in which atoms of the same or different elements rearrange themselves to form a new substance
  2. A combustion reaction is a type of chemical reaction where a compound and an oxidant is reacted to produce heat and a new product.
  3. a chemical reaction in which an acid and a base interact with the formation of a salt;with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
  4. State of matter consisting of particles that have neither a defined volume nor defined shape
  5. is a substance formed when two or more chemical elements are chemically bonded together
  6. Also called single-replacement reaction, is a type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another that is, one element is replaced by another in a compound.
  7. solution is a solution in which the solvent is water
  8. Tend to be packed together much closer than the other particles
  9. The substances that result from this recombination of atoms
  10. Form of matter between a gas and a solid that has a definite volume, but no definite shape

20 Clues: solution is a solution in which the solvent is water • In chemical formulas the number of atoms in a molecule • The substances that result from this recombination of atoms • Tend to be packed together much closer than the other particles • release energy in the form of heat and light, so they are exothermic • ...

chapter 1 2019-10-03

chapter 1 crossword puzzle
Across
  1. reaction Reduction + oxidation
  2. REACTIONS REACTIONS BY CHEMICALS
  3. reaction Rearrangement of reactants from their actual place.
  4. reaction Two or more reactants combines to form products.
  5. reaction Heat released from reaction
  6. corrosion Reaction of metal with air and water
  7. chemical equation Reaction with equal number of entities.
Down
  1. EQUATION REPRESENTATION OF A REACTION
  2. rancidity change in food taste and odour
  3. reaction Heat required for reaction
  4. Parts of a chemical reacation
  5. Reaction Splitting of reactants into products
  6. Parts of a chemical reaction
  7. displacement reaction both the rectants displaces the other.

14 Clues: Parts of a chemical reaction • Parts of a chemical reacation • reaction Reduction + oxidation • REACTIONS REACTIONS BY CHEMICALS • reaction Heat required for reaction • reaction Heat released from reaction • EQUATION REPRESENTATION OF A REACTION • rancidity change in food taste and odour • Reaction Splitting of reactants into products • ...

ch-1 2019-10-03

ch-1 crossword puzzle
Across
  1. REACTIONS REACTIONS BY CHEMICALS
  2. Parts of a chemical reacation
  3. reaction Reduction + oxidation
  4. reaction Heat required for reaction
  5. Reaction Splitting of reactants into products
  6. chemical equation Reaction with equal number of entities.
Down
  1. EQUATION REPRESENTATION OF A REACTION
  2. Parts of a chemical reaction
  3. Change in food taste and odour
  4. reaction two or more reactants combines to form products.
  5. reaction Heat released from reaction
  6. reaction Rearrangement of reactants from their actual place.
  7. Reaction of metal with air and water
  8. displacement reaction Both the rectants displaces the other.

14 Clues: Parts of a chemical reaction • Parts of a chemical reacation • Change in food taste and odour • reaction Reduction + oxidation • REACTIONS REACTIONS BY CHEMICALS • reaction Heat required for reaction • reaction Heat released from reaction • Reaction of metal with air and water • EQUATION REPRESENTATION OF A REACTION • Reaction Splitting of reactants into products • ...

Chemistry Crossword- Brianna Galindo 2020-01-17

Chemistry Crossword- Brianna Galindo crossword puzzle
Across
  1. chemical that speeds up reaction time
  2. Energy the amount of energy required to activate atoms
  3. one reactant yeilds 2 or more products
  4. Area the top layer of something
  5. the feeling of warmth or cold
  6. Chemical Reaction formed products that give back
  7. Complex maximum energy point
  8. Replacement Reaction one elemant is subsituded for another element
  9. delays slows down or prevents from reaction
  10. Electron the outer shell of the electron
  11. Chateliers Princible chemical equilibrum
Down
  1. change in a reaction
  2. result of chemical readtion
  3. dissolved in solevent
  4. the loss of electrons
  5. amount of substance
  6. high tempature between fuel and oxidant
  7. can resist ph change
  8. reaction is easy to reconginize because theres more reactants than product
  9. the wieght of something
  10. the speed of the reactants are converted in products
  11. thermodynamic system

22 Clues: amount of substance • change in a reaction • can resist ph change • thermodynamic system • dissolved in solevent • the loss of electrons • the wieght of something • result of chemical readtion • Complex maximum energy point • the feeling of warmth or cold • Area the top layer of something • chemical that speeds up reaction time • one reactant yeilds 2 or more products • ...

Chapter Five Vocabulary Quiz- Hayly Smith 2020-02-20

Chapter Five Vocabulary Quiz- Hayly Smith crossword puzzle
Across
  1. A reaction when an element replaces another in a chemical equation
  2. Any change that alternate appearance of another substance
  3. A number place in from of an element in a chemical equation
  4. the minimum amount of energy needed to start a chemical reaction
  5. A change in matter that changes into one or more new substances
  6. A reaction when two or more elements or compounds combine into more complex equations
  7. The energy released
  8. A material used to decrease the rate of a chemical reaction
  9. Matter cannot enter or leave
  10. The cells in your body that contain thousands of catalysts
Down
  1. In creases the reaction rate by lowering the activation energy needed
  2. Solids that form from liquids during a chemical change
  3. Where matter can enter and leave into the surrounding areas
  4. The new substances that form during a chemical change
  5. The amount of substance in a given volume
  6. The energy gained
  7. Substances that undergo chemical changes
  8. A reaction when two or more elements break down less complex equations

18 Clues: The energy gained • The energy released • Matter cannot enter or leave • Substances that undergo chemical changes • The amount of substance in a given volume • The new substances that form during a chemical change • Solids that form from liquids during a chemical change • Any change that alternate appearance of another substance • ...

Chemistry Terms 2016-02-12

Chemistry Terms crossword puzzle
Across
  1. A decomposition reaction is a type of chemical reaction where one reactant yields two or more products.
  2. Tend to be packed together much closer than the other particles
  3. are molecules made of two atoms chemically bonded together. The atoms can be of the same element
  4. The substances that result from this recombination of atoms
  5. A number or symbol multiplied with a variable or an unknown quantity in an algebraic term
  6. a chemical reaction in which an acid and a base interact with the formation of a salt;with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
  7. Substances initially present in a chemical reaction that are consumed during the reaction to make products
  8. A combustion reaction is a type of chemical reaction where a compound and an oxidant is reacted to produce heat and a new product.
  9. is an insoluble solid that emerges from a liquid solution. The emergence of the insoluble solid from solution
  10. Also called single-replacement reaction, is a type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another that is, one element is replaced by another in a compound.
  11. State of matter consisting of particles that have neither a defined volume nor defined shape
Down
  1. solution is a solution in which the solvent is water
  2. is a type of reaction that occurs when the cations and anions switch between two reactants to form new products
  3. release energy in the form of heat and light, so they are exothermic
  4. is a substance formed when two or more chemical elements are chemically bonded together
  5. 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
  6. A process in which atoms of the same or different elements rearrange themselves to form a new substance
  7. Also referred to as reaction yield, is the amount of product obtained in a chemical reaction. The absolute yield can be given as the weight in grams or in moles
  8. In chemical formulas the number of atoms in a molecule
  9. Form of matter between a gas and a solid that has a definite volume, but no definite shape

20 Clues: solution is a solution in which the solvent is water • In chemical formulas the number of atoms in a molecule • The substances that result from this recombination of atoms • Tend to be packed together much closer than the other particles • release energy in the form of heat and light, so they are exothermic • ...

Chemistry Crossword 2018-11-23

Chemistry Crossword crossword puzzle
Across
  1. A mixture of different substances that are not separately visible
  2. A substance that can be pounded or rolled into sheets
  3. The prefix used in a molecual compund when there are five number of atoms
  4. The slow chemical change that occurs when oxygen in the air reacts with a metal
  5. A chemical reaction which takes place in your body
  6. A chemical reaction that occurs when oxygen reacts with a new substance to form a new substance and give off energy
  7. A horizontal row in the periodic table
  8. Pure substances formed due to the attrection of particles of opposite charges
  9. The law that describes that no matter is either formed or destroyed during a chemical reaction
  10. Most reactive non-metals
  11. A reaction that absorbs heat (Turns Cold)
  12. Most stable and unreactive elements
Down
  1. A cloudy mixture in which the tiny particles of a substance are held within another
  2. A pure substance formed when non-metals combine
  3. The new WHMIS(2015)
  4. Most reactive metals
  5. The new materials produced after a reaction
  6. The materials at the start of a reaction
  7. A system that does'nt let any matter escape during a chemical reaction
  8. Positively charged particles
  9. A vertical collumn in the periodic table
  10. A system that lets some matter in a chemical reaction escape (For example a beaker)
  11. Any solid that can be stretched into a long wire
  12. A substance that helps a reaction proceed faster
  13. A reaction that realeases heat energy (Gets Hot)

25 Clues: The new WHMIS(2015) • Most reactive metals • Most reactive non-metals • Positively charged particles • Most stable and unreactive elements • A horizontal row in the periodic table • The materials at the start of a reaction • A vertical collumn in the periodic table • A reaction that absorbs heat (Turns Cold) • The new materials produced after a reaction • ...

Chemical Crossword 2025-11-13

Chemical Crossword crossword puzzle
Across
  1. color, density, and melting point are ________ properties
  2. the formula for carbon dioxide
  3. the study of matter and how it changes
  4. lowers the activation energy of a chemical reaction
  5. when compounds are broken down into simpler products
  6. A reaction that absorbs energy is ______.
  7. slows down a chemical reaction
  8. the least amount of energy needed to start a chemical reaction
  9. when at least one element takes the place of another in a chemical reaction
  10. Heat, light, and electricity are examples of _______.
  11. A reaction that releases energy is ______.
Down
  1. when two or more elements combine to make a more complex substance
  2. the amount of a substance in a given volume
  3. flammability, reactivity, and acidity/basicity are _________ properties
  4. anything that has mass and takes up space
  5. A chemical ______ uses chemical formulas to summarize a reaction.

16 Clues: the formula for carbon dioxide • slows down a chemical reaction • the study of matter and how it changes • A reaction that absorbs energy is ______. • anything that has mass and takes up space • A reaction that releases energy is ______. • the amount of a substance in a given volume • lowers the activation energy of a chemical reaction • ...

Chemical Reactions 2023-12-07

Chemical Reactions crossword puzzle
Across
  1. The speed at which reactants become products
  2. A chemical reaction in which heat is absorbed from the surroundings
  3. A substance that speeds up a chemical reaction without being consumed in the processA substance that speeds up a chemical reaction without being consumed in the process
  4. The number written in front of a chemical species in a balanced equation
  5. The type of reaction in which a single compound breaks down into two or more simpler substances
  6. The unbalanced chemical equation for a chemical reaction
  7. The energy stored in the chemical bonds of a substance is called
  8. The starting substances in a chemical reaction
Down
  1. states that mass can neither be created nor destroyed in a chemical reaction
  2. a skeletal equation in which the number of atoms on the are the same on both sides of the arrow
  3. The process of breaking down complex substances into simpler ones
  4. states that in any chemical reaction, energy is neither created nor destroyed
  5. states that bonds are broken when molecules collide with enough energy
  6. A reaction in which two or more substances combine to form a new substance
  7. A reaction in which oxygen combines with a substance, often producing heat and light
  8. The substance that is formed as a result of a chemical reaction

16 Clues: The speed at which reactants become products • The starting substances in a chemical reaction • The unbalanced chemical equation for a chemical reaction • The substance that is formed as a result of a chemical reaction • The energy stored in the chemical bonds of a substance is called • The process of breaking down complex substances into simpler ones • ...

Chemical reactions 2023-01-05

Chemical reactions crossword puzzle
Across
  1. New substances formed at the end of a chemical reaction.
  2. ______ is a type of chemicals that release hydroxide ion(OH) into an aqueous solution.
  3. Bubbling is a sign of ___ being produced.
  4. Chemical reactions cannot be undone. That is chemical reactions are ___________.
  5. A chemical equation is ______ if there is equal number of each atom on left and right side of the equation.
  6. ___ gas will make a pop sound when it is burnt.
  7. The reactions that involve burning or explosion is called ______ reaction.
  8. A substance that takes part in and undergoes change during a chemical reaction.
  9. Reactions that absorb heat is called ____ reactions.
  10. An insoluble solid that is formed during a chemical reaction.
Down
  1. A chemical reaction where one substance is broken into multiple smaller new substances is called ____ reaction.
  2. of mass A law which states that the total mass does not change before and after a chemical reaction.
  3. ___ gas will make a glowing splint reignite.
  4. _____ gas will make flames go off.
  5. ____ is a type of chemicals that release hydrogen ion in an aqueous solution.
  6. Reactions that release heat is called ____ reactions.
  7. Metal + oxygen gas = metal _________
  8. When atoms are separated, ____ is being broken.

18 Clues: _____ gas will make flames go off. • Metal + oxygen gas = metal _________ • Bubbling is a sign of ___ being produced. • ___ gas will make a glowing splint reignite. • ___ gas will make a pop sound when it is burnt. • When atoms are separated, ____ is being broken. • Reactions that absorb heat is called ____ reactions. • ...

Module 8 Vocabulary Crossword 2024-05-03

Module 8 Vocabulary Crossword crossword puzzle
Across
  1. a chemical reaction that involves the exchange of ions between two compounds and produces either a precipitate, a gas, or water
  2. a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound
  3. a solid produced during a chemical reaction in a solution
  4. in a chemical equation, the number written in front of a reactant or product; in a balanced equation describes the lowest whole-number ratio of the amounts of all reactants and products
  5. the substance that dissolves a solute to form a solution; the most plentiful substance in the solution
  6. an ionic equation that shows all the particles in a solution as they realistically exist
  7. a solution in which the solvent is water
  8. a substance formed during a chemical reaction
  9. a chemical reaction in which two or more substances react to yield a single product
Down
  1. the process by which the atoms of one or more substances are rearranged to form different substances; occurrence can be indicated by changes in temperature, color, odor, and physical state
  2. a chemical reaction that occurs when a single compound breaks down into two or more elements or new compounds
  3. ion that does not participate in a reaction
  4. a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  5. a statement using chemical formulas to describe the identities and relative amounts of the reactants and products involved in the chemical reaction
  6. the starting substance in a chemical reaction
  7. one or more substances dissolved in a solution
  8. an ionic equation that includes only the particles that participate in the reaction

17 Clues: a solution in which the solvent is water • ion that does not participate in a reaction • the starting substance in a chemical reaction • a substance formed during a chemical reaction • one or more substances dissolved in a solution • a solid produced during a chemical reaction in a solution • ...

Chemical Reactions (Chapter 21) 2025-02-14

Chemical Reactions (Chapter 21) crossword puzzle
Across
  1. the chemicals that enter into a reaction
  2. a single element reacts with a compound and takes the place of one of the other elements in the compound
  3. French dude that first proved the Law of Conservation of Mass by reacting mercury (II) oxide into equal parts oxygen and mercury
  4. reaction type where a compound breaks into smaller units
  5. an example of an inhibitor used to preserve food
  6. chemical reaction involving a gain of electrons
  7. a chemical change where atoms of elements and compounds are rearranged to form new elements and compounds
  8. reaction type where two compounds react and form two new compounds
  9. the chemicals that are produced from a reaction
  10. type of reaction where two simple substances react to form a more complex substance
  11. type of reaction that absorbs thermal energy
  12. a substance that slows down or stops a reaction
  13. a change in this can be a clue to a reaction, such as a test tube getting warmer
  14. bubbles formed in a liquid mean this phase of matter is being produced
  15. a large number that is placed in front of a compound to represent number of units of that compound present in a reaction
Down
  1. H, N, O, F, Cl, Br, and I are all _________, meaning they can't exist as one atom, so if they are alone in a reaction, they must be bonded to another atom of themselves
  2. the common name for the decomposition reaction of water through electric current
  3. a change in this can be a clue to a reaction, such as a chemical changing from blue to silver
  4. type of reaction where a carbon compound reacts with oxygen to produce carbon dioxide and water
  5. these are formed when chemical reactions take place
  6. the chemical formula for rust when iron (II) synthesizes with oxygen
  7. chemical reaction involving a loss of electrons
  8. a substance that speeds up a reaction
  9. the common name for the synthesis reaction of a metal and oxygen
  10. type of reaction that releases thermal energy
  11. small numbers that depict number of atoms in a compound or molecule
  12. a solid that forms out of a chemical reaction
  13. a chemical phase (aq) where a substance is dissolved in water
  14. to represent the law of conservation of matter, equations must be ___________
  15. a shorthand way of representing reactions using formulas, symbols, coefficients, and subscripts
  16. matter is never created or destroyed as stated in the law of ___________ of matter

31 Clues: a substance that speeds up a reaction • the chemicals that enter into a reaction • type of reaction that absorbs thermal energy • type of reaction that releases thermal energy • a solid that forms out of a chemical reaction • chemical reaction involving a loss of electrons • chemical reaction involving a gain of electrons • ...

BIO CH. 2 CROSSWORD 2023-11-17

BIO CH. 2 CROSSWORD crossword puzzle
Across
  1. Protons and electrons are negatively _____
  2. A starting mateiral in a chemical reaction.
  3. Compound consisting of hydrogen and oxygen in a 2:1 ratio
  4. Chemical ____ is when in a reversible chemical reaction, the point at which the rate of the forward reaction equals the rate of the reverse reaction.
  5. The number of protons is called the ____ number
  6. ___ electrons are the electrons in the outermost shell.
  7. Smallest unit of matter
  8. Different atomic forms of the same element are called _____
  9. The attraction of an atom for the electrons of a covalent bond.
  10. A measure of mass for atoms and subatomic particles.
  11. An ending material in a chemical reaction.
Down
  1. Two or more atoms held together by covalent bonds.
  2. ____ elements are required by an organism in only minute quantities.
  3. What are all organisms composed of?
  4. A ____ reaction is a process leading to chemical changes in matter; involves the making and/or breaking of chemical bonds.
  5. Substance that cannot be broken down.
  6. An atom that has gained or lost electrons, thus acquiring a charge.
  7. Substance containing 2 or more elements.
  8. A ____ bond is a type of strong chemical bond in which two atoms share one pair of valence electrons.
  9. The capacity to cause change.

20 Clues: Smallest unit of matter • The capacity to cause change. • What are all organisms composed of? • Substance that cannot be broken down. • Substance containing 2 or more elements. • Protons and electrons are negatively _____ • An ending material in a chemical reaction. • A starting mateiral in a chemical reaction. • The number of protons is called the ____ number • ...

Chemical Reactions and equations 2024-05-11

Chemical Reactions and equations crossword puzzle
Across
  1. A chemical reaction that absorbs energy from its surroundings
  2. A chemical reaction that absorbs energy from its surroundings
  3. an insoluble compound that is formed in a solution during a double displacement reactionan insoluble compound that is formed in a solution during a double displacement reaction
  4. A substance that affects the rate of a chemical reaction without being used up in the reaction
  5. A chemical reaction in which electrons are transferred from one reactant to another
  6. The process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
  7. A list of elements organized according to the ease with which the elements undergo certain chemical reactions
Down
  1. A chemical reaction that releases energy to its surroundings
  2. in a chemical reaction, the substance that reacts
  3. a substance made up of atoms of two or more different elements joined by chemical bonds
  4. a type of chemical reaction in which a single compound is broken down into two or more simpler products
  5. reaction the process by which one or more substances change to produce one or more different substances
  6. in a chemical reaction, the new substance or substances formed
  7. A chemical reaction in which two compounds exchange positive ions and form two new compounds
  8. A representation of a chemical reaction in which the reactants and products are expressed as words

15 Clues: in a chemical reaction, the substance that reacts • A chemical reaction that releases energy to its surroundings • A chemical reaction that absorbs energy from its surroundings • A chemical reaction that absorbs energy from its surroundings • in a chemical reaction, the new substance or substances formed • ...

U5S1 Kinetics & Hess's Law 2022-02-24

U5S1 Kinetics & Hess's Law crossword puzzle
Across
  1. When the reactants and products are on the same side of the arrow
  2. a chemical reaction that absorbs energy
  3. Any chemical substance that is produced during the conversion of reactant to product
  4. The speed in which a chemical reaction occurs
  5. When the conversion of
  6. a chemical reaction that expels energy into its surroundings
  7. the minimum amount of energy needed to activate atoms to undergo a chemical change
  8. The space chemicals use during a reaction
  9. a substance that can stop or halt a chemical reaction
Down
  1. a substance that speeds up the rate of reaction without being absorbed in the chemical reaction
  2. The average amount o kinetic energy in all the molecules of the substance
  3. A sector of chem that determines how fast or slow chemical reactions occur
  4. A coordinate plane that displays the energy vs reaction
  5. to products and products to reactants occur simultaneously
  6. A law that states that the heat absorbed or expelled in a reaction is a fixed quantity
  7. The movement of the components in a substance that improves the contact of the molecules

16 Clues: When the conversion of • a chemical reaction that absorbs energy • The space chemicals use during a reaction • The speed in which a chemical reaction occurs • a substance that can stop or halt a chemical reaction • A coordinate plane that displays the energy vs reaction • to products and products to reactants occur simultaneously • ...

Chemistry Pd1 Crossword Brett Sturman 2024-12-11

Chemistry Pd1 Crossword Brett Sturman crossword puzzle
Across
  1. where the physical properties of matter change
  2. process of rotting; decay
  3. cations and anions of two compounds switch places to form to new products
  4. A reaction requiring the absorption of heat
  5. a table in which the chemical elements are arranged in order of increasing atomic number
  6. bond formed when two atoms share a pair of electrons
  7. an expression
  8. substance made from another substance through chemical change
  9. the tendency of a substance to undergo a chemical reaction
  10. combination of ideas to form a theory
  11. natural materials that do not produce heat or electricity
  12. one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table
Down
  1. irreversible chemical reaction involving the rearrangement of the atoms
  2. the process of burning something
  3. particle with a negative charge
  4. measure of the quantity of some physical property
  5. particle with a positive charge
  6. a substance with high electrical conductivity
  7. bond formed when one atom completely transfers one or more electrons to another atom
  8. a chemical reaction that releases heat
  9. atom or molecule with a net electrical charge
  10. particle having no charge
  11. chemical reaction where one element replaces another in a compound
  12. substance that is present at the start of a chemical reaction

24 Clues: an expression • process of rotting; decay • particle having no charge • particle with a negative charge • particle with a positive charge • the process of burning something • combination of ideas to form a theory • a chemical reaction that releases heat • A reaction requiring the absorption of heat • a substance with high electrical conductivity • ...

Chapter 7 vocab Makayla Hair PS 211-B 3/25/25 2025-03-25

Chapter 7 vocab Makayla Hair PS 211-B 3/25/25 crossword puzzle
Across
  1. equation- A combination of chemical formulas and symbols that models a chemical reaction.
  2. SI fundamental unit for the quantity of matter in a substance.
  3. A gain of electrons in a chemical reaction.
  4. A substance that is formed during a chemical reaction.
  5. A substance that enters into a chemical reaction.
Down
  1. A number placed in front of a chemical formula within a chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation.
  2. Reaction- A chemical rection in which two or more reactants combine into a single, or more complex product.
  3. replacement reaction- A chemical reaction in with two compounds swap cation or anions with each other.
  4. A loss of electrons in a chemical reaction.
  5. mass- The mass of one mole of a substance.
  6. Reaction- A chemical reaction in which a single reactant breaks down into two or more products.
  7. An exothermic chemical reaction in which a fuel reacts with oxygen.
  8. replacement reaction- A chemical reaction in which one element in a compound is replaced by another element.
  9. Reaction- A process that rearranges the atoms in one or more substances into one or more new substances.

14 Clues: mass- The mass of one mole of a substance. • A loss of electrons in a chemical reaction. • A gain of electrons in a chemical reaction. • A substance that enters into a chemical reaction. • A substance that is formed during a chemical reaction. • SI fundamental unit for the quantity of matter in a substance. • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. Neutral particles
  2. Substances that help a reaction proceed faster.
  3. Both metallic and non-metallic properties
  4. Takes place when two or more substances combine to form new substances
  5. Pure substances formed as a result of the attraction between ions
  6. Chemical reaction that absorbs heat energy
  7. Negative ion
  8. Can be a solid or a gas
  9. Number above the element's symbol on the left
  10. Mass of one atom of an element
  11. Atom or a group of atoms that has become electrically charged because it has lost or gained electrons.
  12. Most stable and unreactive elements.
Down
  1. New materials produced by the reaction
  2. Materials at the start of a reaction
  3. Chemical reaction that releases heat energy
  4. Most reactive non-metals
  5. Slow chemical change
  6. Chemical reaction that occurs when oxygen reacts with a new substance to form a new substance and give off energy
  7. Positive ion
  8. Good insulators
  9. Negative atoms
  10. Represents the sum of the number of protons and neutrons in an atom
  11. Chemical reaction that takes place in the cells in your body.
  12. Shiny, malleable and ductile
  13. Positive atoms

25 Clues: Positive ion • Negative ion • Negative atoms • Positive atoms • Good insulators • Neutral particles • Slow chemical change • Can be a solid or a gas • Most reactive non-metals • Shiny, malleable and ductile • Mass of one atom of an element • Materials at the start of a reaction • Most stable and unreactive elements. • New materials produced by the reaction • ...

Balancing Chemical Equations 2017-11-29

Balancing Chemical Equations crossword puzzle
Across
  1. In a chemical equation the transition from the original compounds to the result after the reaction is represented using an _____________.
  2. A __________ is a number placed in front of a chemical formula in an equation that tells you the amount of a reactant or product that takes part in a reaction.
  3. of Conservation of Mass The ________________________ states that matter cannot be created or destroyed.
  4. A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust is called ___________.
  5. A change in _______ is also a sign of a chemical change.
  6. ______________ is a chemical reaction in which compounds combine into more complex substances.
  7. _______________ is a type of chemical reaction in which elements react with a compound and take the place of another element in that compound.
  8. A _____________ is a combination of two or more of the same elements.
  9. ___________ is a condition in which different elements are equal or in the correct proportions.
  10. A __________ is a solid that forms from liquids during a chemical reaction.
  11. Reaction In an ____________ reaction energy from the reaction is released usually in the form of heat because the energy released as the products form is greater than the energy required to break the bonds of the reactants.
  12. An equation in pure word form with no elemental symbols or numbers is called a ________ equation.
  13. A physical substance in general, that which occupies space is referred to as ___________.
  14. A pure substance that is made of one type of atom is referred to as an ___________.
  15. The way that elements are stated in an equation is known as ___________.
Down
  1. A substance made of two or more atoms of different elements chemically combined is known as a ___________.
  2. Model __________ __________ is the theory that chemical reactions are the result of collisions between molecules that are strong enough to break bonds in the reactants, resulting in a rearrangement of atoms to form a product or products.
  3. Reaction In an _____________ reaction energy is absorbed from matter nearby because more energy is required to break the bonds of the reactants than is released by the formation of the products.
  4. Equation- A chemical equation in which the sum of atoms in the product or products does not equal the sum of atoms in the reactants is an ___________ ___________.
  5. System In a _________ _________ matter cannot enter or leave and it occurs in a sealed; airtight container.
  6. A type of chemical reaction in which compounds split into simpler substances is known as ____________.
  7. sign The compounds that are part of the reactants and the products in a chemical equation separated from each other in a chemical equation by a _________ __________.
  8. Production Another way in which a chemical reactions is shown is ____________. This can also be found in the formation of bubbles.
  9. ________ are the numbers found underneath element symbols to show ratio of a certain element to others in a compound.
  10. The _________ is the result of the reaction that took place.
  11. Equation A method of showing a chemical reaction using symbols instead of words is called a ___________ ____________.
  12. Change A change in state, shape, & size, in which no new substance is formed is known as a ____________.
  13. A _________ is a substance that takes part in and undergoes change during a reaction.
  14. The amount of a product produced by a chemical reaction compared to the amount of reactant is called the __________.
  15. System- In an _________ ________ matter can enter and escape into the surroundings.

30 Clues: A change in _______ is also a sign of a chemical change. • The _________ is the result of the reaction that took place. • A _____________ is a combination of two or more of the same elements. • The way that elements are stated in an equation is known as ___________. • A __________ is a solid that forms from liquids during a chemical reaction. • ...

Chemical Reactions Vocabulary Assignment 2024-11-04

Chemical Reactions Vocabulary Assignment crossword puzzle
Across
  1. Is a substance that is formed as the result of a chemical reaction.
  2. Are those which absorb energy from the surroundings and result in a net decrease in temperature
  3. 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.
  4. 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
  5. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  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. for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity cannot be added or removed.
  8. Loss of Electrons
  9. Gain of electrons
  10. 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
Down
  1. A chemical reaction that releases energy in the form of light or heat
  2. The speed at which reactants are converted in products
  3. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  4. is a chemical equation with the same number of atoms of each element on both sides of the arrow
  5. A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  6. Mass in grams of one mole of a substance
  7. The amount of a substance that contains 6.02 x 1023 particles of that substance
  8. A substance that takes part in and undergoes change during a reaction

18 Clues: Loss of Electrons • Gain 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 • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. Takes place when two or more substances combine to form new substances
  2. Pure substances formed as a result of the attraction between ions
  3. Both metallic and non-metallic properties
  4. Neutral particles
  5. Represents the sum of the number of protons and neutrons in an atom
  6. Chemical reaction that takes place in the cells in your body.
  7. Number above the element's symbol on the left
  8. Positive ion
  9. Most reactive non-metals
  10. Negative ion
  11. New materials produced by the reaction
  12. Atom or a group of atoms that has become electrically charged because it has lost or gained electrons.
  13. Chemical reaction that occurs when oxygen reacts with a new substance to form a new substance and give off energy
  14. Slow chemical change
  15. Can be a solid or a gas
Down
  1. Negative atoms
  2. Chemical reaction that absorbs heat energy
  3. Substances that help a reaction proceed faster.
  4. Shiny, malleable and ductile
  5. Chemical reaction that releases heat energy
  6. Good insulators
  7. Positive atoms
  8. Most stable and unreactive elements.
  9. Mass of one atom of an element
  10. Materials at the start of a reaction

25 Clues: Positive ion • Negative ion • Negative atoms • Positive atoms • Good insulators • Neutral particles • Slow chemical change • Can be a solid or a gas • Most reactive non-metals • Shiny, malleable and ductile • Mass of one atom of an element • Most stable and unreactive elements. • Materials at the start of a reaction • New materials produced by the reaction • ...

Chemical Reaction Crossword Puzzle Created by Nick Gadams 7-2 2018-02-02

Chemical Reaction Crossword Puzzle Created by Nick Gadams 7-2 crossword puzzle
Across
  1. Sugars, starches, and cellulose
  2. Type of reaction that releases energy
  3. The process when small nuclei combine to form a new massive nucleus
  4. Using formulas and sybols instead of words to represent a chemical reaction
  5. When a large unstable nucleus breaks apart
  6. AB+CD->AC+BD
  7. Fats and oils
Down
  1. A+B->AB
  2. Change in matter that produces one or more new substances
  3. Substances you start with in a chemical reaction
  4. One or more chains of amino acids
  5. An atom that is giving off particles and energy
  6. AB+C->AC+B
  7. Number in front of a chemical formula in an equation
  8. States that during a chemical reaction, matter is not created or destroyed
  9. A combonation of symbols and numbers that represent what is in a molecule
  10. What indicates the ratio of elements in a compound
  11. Substances you end up with in a chemical reaction
  12. DNA and RNA
  13. Type of reaction that absorbs energy

20 Clues: A+B->AB • AB+C->AC+B • DNA and RNA • AB+CD->AC+BD • Fats and oils • Sugars, starches, and cellulose • One or more chains of amino acids • Type of reaction that absorbs energy • Type of reaction that releases energy • When a large unstable nucleus breaks apart • An atom that is giving off particles and energy • Substances you start with in a chemical reaction • ...

Chase Tic Tac Toe 2014-11-14

Chase Tic Tac Toe crossword puzzle
Across
  1. a substance formed by a chemical reaction
  2. a solid substance that forms as a result of a chemical reaction
  3. the number of protons in the nucleus
  4. the total number of protons and neutrons in the nucleus
  5. a negatively charged particle outside of the nucleus
  6. a substance that cannot be broken down into a simpler substance by ordinary chemical changes
  7. a horizontal row in the table of elements
  8. increases chemical reaction but is not itself consumed in the reaction
  9. a group of atoms that are held together by covalent bonds
  10. a vertical column in the table of elements
  11. an atom or group of atoms that have a positive or negative charge
  12. denoting a process involving substances in different phases
Down
  1. a substance that is present at the beginning of a chemical reaction and is changed into a new substance
  2. changes affecting the form of a chemical substance but not its chemical composition
  3. law stating that atoms cannot be created or destroyed in a chemical reaction
  4. occurs when two substances combine to create a new substance
  5. a number written slightly below and to the right of a chemical symbol that shows how many atoms of the element are in a compound
  6. an atom of an element that has a different number of neutrons than another atom of the same element
  7. a particle inside the nucleus that has no charge
  8. a positively charged particle inside the nucleus
  9. the number before a chemical formula that indicates how many molecules are involved in a chemical reaction
  10. a combination of two or more substances that do not combine chemically
  11. substances and mixtures that are in one single phase
  12. a substance formed by two or more different types of atoms bonding together

24 Clues: the number of protons in the nucleus • a substance formed by a chemical reaction • a horizontal row in the table of elements • a vertical column in the table of elements • a particle inside the nucleus that has no charge • a positively charged particle inside the nucleus • a negatively charged particle outside of the nucleus • ...

Chase Douthit 2014-11-14

Chase Douthit crossword puzzle
Across
  1. a number written slightly below and to the right of a chemical symbol that shows how many atoms of the element are in a compound
  2. a substance formed by two or more different types of atoms bonding together
  3. an atom of an element that has a different number of neutrons than another atom of the same element
  4. the total number of protons and neutrons in the nucleus
  5. denoting a process involving substances in different phases
  6. increases chemical reaction but is not itself consumed in the reaction
  7. changes affecting the form of a chemical substance but not its chemical composition
  8. a positively charged particle inside the nucleus
  9. a group of atoms that are held together by covalent bonds
  10. a negatively charged particle outside of the nucleus
Down
  1. a combination of two or more substances that do not combine chemically
  2. a substance formed by a chemical reaction
  3. a solid substance that forms as a result of a chemical reaction
  4. a vertical column in the table of elements
  5. the number before a chemical formula that indicates how many molecules are involved in a chemical reaction
  6. law stating that atoms cannot be created or destroyed in a chemical reaction
  7. an atom or group of atoms that have a positive or negative charge
  8. a substance that is present at the beginning of a chemical reaction and is changed into a new substance
  9. substances and mixtures that are in one single phase
  10. occurs when two substances combine to create a new substance
  11. the number of protons in the nucleus
  12. a particle inside the nucleus that has no charge
  13. a horizontal row in the table of elements
  14. a substance that cannot be broken down into a simpler substance by ordinary chemical changes

24 Clues: the number of protons in the nucleus • a substance formed by a chemical reaction • a horizontal row in the table of elements • a vertical column in the table of elements • a particle inside the nucleus that has no charge • a positively charged particle inside the nucleus • substances and mixtures that are in one single phase • ...

Vocabulary Chemical Reaction 2023-01-25

Vocabulary Chemical Reaction crossword puzzle
Across
  1. a group of atoms joined together in a particular way
  2. something that can be observed a substance such as color,smell or even boiling point
  3. an ending substance that is made during a chemical reaction
  4. the tiny pieces that all matter-all the stuff in the world-is made of
  5. the relative size of something
  6. a substance that is added to soil to help plants grow
  7. a structure formed by repeating groups of atoms linked together in a large network
  8. the temperature in which a substance changes from the solid phase to a liquid
  9. to change the order or position of something
Down
  1. something that is made of all the same atoms or groups of atoms
  2. the tempeture in which a substance changes from the liquid phase to a gas phase
  3. a process in which atoms rearange to form a new substance
  4. able to cause damage
  5. letters and numbers showing the types and numbers of atoms that repeat to make up a substance
  6. a starting substance that is part of a chemical reaction
  7. an object,diagram, or computer program that helps us understand something by making it simpler or easier to see

16 Clues: able to cause damage • the relative size of something • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • a process in which atoms rearange to form a new substance • ...

Vocabulary Chemical Reaction 2023-01-25

Vocabulary Chemical Reaction crossword puzzle
Across
  1. a group of atoms joined together in a particular way
  2. something that can be observed a substance such as color,smell or even boiling point
  3. an ending substance that is made during a chemical reaction
  4. the tiny pieces that all matter-all the stuff in the world-is made of
  5. the relative size of something
  6. a substance that is added to soil to help plants grow
  7. a structure formed by repeating groups of atoms linked together in a large network
  8. the temperature in which a substance changes from the solid phase to a liquid
  9. to change the order or position of something
Down
  1. something that is made of all the same atoms or groups of atoms
  2. the tempeture in which a substance changes from the liquid phase to a gas phase
  3. a process in which atoms rearange to form a new substance
  4. able to cause damage
  5. letters and numbers showing the types and numbers of atoms that repeat to make up a substance
  6. a starting substance that is part of a chemical reaction
  7. an object,diagram, or computer program that helps us understand something by making it simpler or easier to see

16 Clues: able to cause damage • the relative size of something • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • a process in which atoms rearange to form a new substance • ...

Chemical Reaction Vocabulary 2023-01-23

Chemical Reaction Vocabulary crossword puzzle
Across
  1. The result of something
  2. Change the order of something
  3. Something added to cause a chemical reaction
  4. diamonds are an example of ___________
  5. The temperature that solids turn into liquids
  6. The boiling point is a ________ of a substance
  7. The temperature that liquids turn into gas
  8. The pattern of atoms that make a substance
Down
  1. Vinegar and baking soda causes a ______
  2. Gold is a ______
  3. H20 is made of _________
  4. Farmers use this to help plants grow
  5. Make up molecules
  6. A diagram of something to help you understand it
  7. The size of something
  8. hydrogen peroxide is a _________ liquid

16 Clues: Gold is a ______ • Make up molecules • The size of something • The result of something • H20 is made of _________ • Change the order of something • Farmers use this to help plants grow • diamonds are an example of ___________ • Vinegar and baking soda causes a ______ • hydrogen peroxide is a _________ liquid • The temperature that liquids turn into gas • ...

Chemical Reaction Crossword Puzzle Created by Nick Gadams 7-2 2018-02-02

Chemical Reaction Crossword Puzzle Created by Nick Gadams 7-2 crossword puzzle
Across
  1. Number in front of a chemical formula in an equation
  2. What indicates the ratio of elements in a compound
  3. A+B->AB
  4. Change in matter that produces one or more new substances
  5. A combonation of symbols and numbers that represent what is in a molecule
  6. Fats and oils
  7. AB+C->AC+B
  8. Type of reaction that releases energy
  9. Sugars, starches, and cellulose
  10. States that during a chemical reaction, matter is not created or destroyed
Down
  1. Type of reaction that absorbs energy
  2. Substances you end up with in a chemical reaction
  3. An atom that is giving off particles and energy
  4. Substances you start with in a chemical reaction
  5. DNA and RNA
  6. The process when small nuclei combine to form a new massive nucleus
  7. AB+CD->AC+BD
  8. When a large unstable nucleus breaks apart
  9. Using formulas and sybols instead of words to represent a chemical reaction
  10. One or more chains of amino acids

20 Clues: A+B->AB • AB+C->AC+B • DNA and RNA • AB+CD->AC+BD • Fats and oils • Sugars, starches, and cellulose • One or more chains of amino acids • Type of reaction that absorbs energy • Type of reaction that releases energy • When a large unstable nucleus breaks apart • An atom that is giving off particles and energy • Substances you start with in a chemical reaction • ...

CHEMICAL REACTIONS CROSSWORD 2021-07-19

CHEMICAL REACTIONS CROSSWORD crossword puzzle
Across
  1. reaction that takes in energy in the form of heat
  2. chemical reaction in which a single compound breaks down into two or more elements or compounds
  3. substances that participate in a chemical reaction
  4. reaction that gives out energy in the form of heat
  5. energy minimum amount of energy needed for a reaction to take place
  6. substance formed as a result of a chemical reaction
Down
  1. factor affecting the rate of reactions
  2. reaction between an acid and base forming water and salts
  3. reaction in which one element replaces another within a compound
  4. gain of oxygen by a substance during a chemical reaction
  5. solid that forms from a solution during a chemical reaction
  6. substance which slows dow or stops a chemical reaction
  7. substance that speeds up a reaction without being consumed
  8. chemical link that holds molecules together

14 Clues: factor affecting the rate of reactions • chemical link that holds molecules together • reaction that takes in energy in the form of heat • substances that participate in a chemical reaction • reaction that gives out energy in the form of heat • substance formed as a result of a chemical reaction • substance which slows dow or stops a chemical reaction • ...

Chapter Five Vocabulary-Hayly Smith 2020-02-20

Chapter Five Vocabulary-Hayly Smith crossword puzzle
Across
  1. The cells in your body that contain thousands of catalysts
  2. Any change that alternate appearance of another substance
  3. In creases the reaction rate by lowering the activation energy needed
  4. The energy released
  5. A reaction when an element replaces another in a chemical equation
  6. Solids that form from liquids during a chemical change
  7. The amount of substance in a given volume
  8. Where matter can enter and leave into the surrounding areas
  9. Substances that undergo chemical changes
Down
  1. Matter cannot enter or leave
  2. The energy gained
  3. The new substances that form during a chemical change
  4. A change in matter that changes into one or more new substances
  5. the minimum amount of energy needed to start a chemical reaction
  6. A reaction when two or more elements break down less complex equations
  7. A material used to decrease the rate of a chemical reaction
  8. A reaction when two or more elements or compounds combine into more complex equations
  9. A number place in from of an element in a chemical equation

18 Clues: The energy gained • The energy released • Matter cannot enter or leave • Substances that undergo chemical changes • The amount of substance in a given volume • The new substances that form during a chemical change • Solids that form from liquids during a chemical change • Any change that alternate appearance of another substance • ...

CJ Hauk-Chapter 13 2016-10-11

CJ Hauk-Chapter 13 crossword puzzle
Across
  1. A representation of a chemical reaction involving reactants and products.
  2. A measure of how quickly a reaction takes.
  3. The new material formed in a chemical reaction.
  4. The amount of energy required to pull two bonded atoms apart.
  5. Description of a chemical reaction in which there is energy absorbed.
  6. A solution in which the concentration is equal.
  7. The reacting substance in a chemical reaction.
Down
  1. A measure of the acidity of a solution.
  2. Any substance that increases the rate of a chemical reaction.
  3. Also known as the spark.
  4. Description of a chemical reaction in which there is energy released.
  5. A chemical reaction where the products include oxides.
  6. A substance that accepts hydrogen ions.
  7. The process by which a reactant gains one or more electrons.
  8. A substance that donates hydrogen ions.

15 Clues: Also known as the spark. • A measure of the acidity of a solution. • A substance that accepts hydrogen ions. • A substance that donates hydrogen ions. • A measure of how quickly a reaction takes. • The reacting substance in a chemical reaction. • The new material formed in a chemical reaction. • A solution in which the concentration is equal. • ...

Vocabulary List #7 2024-01-10

Vocabulary List #7 crossword puzzle
Across
  1. a chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction
  2. a chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction
  3. a substance that is formed during a chemical reaction
  4. a process that rearranges the atoms in one or more substances into one or more new substances
  5. a combination of chemical formulas and symbols that models a chemical reaction
  6. a loss of electrons in a chemical reaction
  7. a gain of electrons in a chemical reaction
  8. (mol) SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 10(23)
  9. a substance that enters into a chemical reaction
Down
  1. a chemical reaction in which two or more reactants combine into a single, more complex prodcut
  2. a chemical reaction in which a single reactant breaks down into two or more products
  3. the mass of one mole of a substance
  4. a number placed in front of a chemical formula within a chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation
  5. an exothermic chemical reaction in which a fuel reacts with oxygen

14 Clues: the mass of one mole of a substance • a loss of electrons in a chemical reaction • a gain of electrons in a chemical reaction • a substance that enters into a chemical reaction • a substance that is formed during a chemical reaction • an exothermic chemical reaction in which a fuel reacts with oxygen • ...

Arya Greer 3/31/25 ps 211 A Vocab chapter 7 2025-04-01

Arya Greer 3/31/25 ps 211 A Vocab chapter 7 crossword puzzle
Across
  1. A process that rearranges the atoms in one or more substances into one or more new substances.
  2. A gain of electrons in a chemical reaction
  3. A chemical reaction in which two or more reactants combine into a single, more complex product.
  4. A number placed in front of a chemical formula within a chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation.
  5. A substance that enters into a chemical reaction.
  6. An exothermic chemical reaction in which a fuel reacts with oxygen.
  7. A chemical reaction in which a single reactant breaks down into two or more products.
  8. A substance that is formed during a chemical reaction.
  9. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction.
Down
  1. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction.
  2. The mass of one mole of a substance.
  3. A combination of chemical formulas and symbols that models a chemical reaction.
  4. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 × 1023.
  5. A loss of electrons in a chemical reaction

14 Clues: The mass of one mole of a substance. • A gain of electrons in a chemical reaction • A loss of electrons in a chemical reaction • A substance that enters into a chemical reaction. • A substance that is formed during a chemical reaction. • An exothermic chemical reaction in which a fuel reacts with oxygen. • ...

Chemistry: Rate of Reaction 2021-10-24

Chemistry: Rate of Reaction crossword puzzle
Across
  1. Gain of oxygen by a substance during a chemical reaction
  2. Reaction in which one element replaces another within a compound
  3. Reaction between an acid and base forming water and salts
  4. Solid that forms from a solution during a chemical reaction
  5. Substance which slows down or stops a chemical reaction
  6. _ energy is the energy needed to start a reaction
  7. Substance formed as a result of a chemical reaction
Down
  1. Chemical reaction in which a single compound breaks down into two or more elements or compounds
  2. Chemical link that holds molecules together
  3. Factor affecting rate of reactions
  4. Reaction that gives out energy in the form of heat
  5. Reaction that takes in energy in the form of heat
  6. Substance that speeds up a reaction without being consumed
  7. Substance that participates in a chemical reaction

14 Clues: Factor affecting rate of reactions • Chemical link that holds molecules together • Reaction that takes in energy in the form of heat • _ energy is the energy needed to start a reaction • Reaction that gives out energy in the form of heat • Substance that participates in a chemical reaction • Substance formed as a result of a chemical reaction • ...

C2.1 - C2.3 Revision 2016-11-22

C2.1 - C2.3 Revision crossword puzzle
Across
  1. An allotrope off carbon that has free delocalised electrons
  2. The total Mr of a compound in grams
  3. Another word for the outer shell of electrons
  4. A chemical reaction that takes in energy from it's surroundings
  5. The maximum amount of product made in a chemical reaction
  6. No mass is lost during a chemical reaction
  7. A reaction that transfers energy to it's surroundings
  8. The ratio of elements in a compound
  9. The charge of a proton
  10. The overall charge of an atom
Down
  1. All alkalines contain these.
  2. A bond made between two non metal
  3. The total Mr of a compound
  4. The mass of an electron
  5. A bond made between a metal and a non-metal
  6. An allotrope of carbon that forms 4 strong covalent bonds
  7. The At of an element
  8. The amount of product made in a chemical reaction
  9. Charged particles
  10. The actual amount of product made in a chemical reaction
  11. The smallest particle
  12. An element that has the same number of protons but different number of neutrons
  13. During a neutralisation reaction water and ? are always formed

23 Clues: Charged particles • The At of an element • The smallest particle • The charge of a proton • The mass of an electron • The total Mr of a compound • All alkalines contain these. • The overall charge of an atom • A bond made between two non metal • The total Mr of a compound in grams • The ratio of elements in a compound • No mass is lost during a chemical reaction • ...

Chemistry 2022-06-29

Chemistry crossword puzzle
Across
  1. you need a ____ factor in order to relate things in different units: ex. 12 in = 1 ft
  2. a chemical reaction is this when the same amount of elements are on either side of the arrow
  3. CO2
  4. mass of a compound per mole
  5. compounds/elements on the right of the reaction arrow
  6. if you have 6.02 x 10^23 of an object you have 1 ___
  7. the first step to balance an equation is to _____ the atoms
  8. displacement, elements in two compounds that switch places,
  9. Ca
  10. pure substance that cannot be chemically broken down
  11. releases heat
  12. this scientist discovered the ratio of molecules to moles (6.022 x 10^23)
Down
  1. H20
  2. absorbs heat (gets cold)
  3. Cl
  4. chemical reaction that has only ONE product
  5. measurement of mass
  6. type of chemical reaction that needs oxygen to occur
  7. substance with multiple elements bonded
  8. displacement, element that takes the place of an element in the compound
  9. chemical _____ occurs when molecular structure is rearranged
  10. compounds/elements on the left of the reaction arrow
  11. chemical reaction that has only ONE reactant
  12. Li

24 Clues: Cl • Li • Ca • H20 • CO2 • releases heat • measurement of mass • absorbs heat (gets cold) • mass of a compound per mole • substance with multiple elements bonded • chemical reaction that has only ONE product • chemical reaction that has only ONE reactant • type of chemical reaction that needs oxygen to occur • if you have 6.02 x 10^23 of an object you have 1 ___ • ...

Organic Reaction Mechanisms 2022-01-27

Organic Reaction Mechanisms crossword puzzle
Across
  1. elimination made by Russian scientist
  2. speed at which a chemical reaction takes place
  3. carbon double bond
  4. positive overall enthalpy change
  5. reversible chemical reaction in which no net change in the amount of reactants and products
  6. sn2 inversion
  7. disubstituted on adjacent positions
  8. chemical reaction that triggers one or more secondary reaction
Down
  1. process in which a reactive intermediate is continuously regenerated during the course of a chain reaction
  2. one unpaired electron
  3. adding a proton to an atom
  4. negative overall enthalpy change
  5. non metallic elements in group 17
  6. chemical transformation of ones set of chemical substances to another
  7. two or more molecules combine to form a larger one
  8. releases H+ ions
  9. replacement of one group by another
  10. who was the Russian chemist who invented a rule for addition reactions when it comes to unsymmetrical alkenes
  11. electron pair donor
  12. reaction in which radicals are consumed but no new radicals are generated
  13. substance that can neutralise acid by reacting with H+
  14. two substituents are removed from a molecule

22 Clues: sn2 inversion • releases H+ ions • carbon double bond • electron pair donor • one unpaired electron • adding a proton to an atom • negative overall enthalpy change • positive overall enthalpy change • non metallic elements in group 17 • replacement of one group by another • disubstituted on adjacent positions • elimination made by Russian scientist • ...

Chemical Reactions and The Law of Conservation of Mass 2024-05-06

Chemical Reactions and The Law of Conservation of Mass crossword puzzle
Across
  1. A group of atoms bonded together.
  2. The process of substances undergoing chemical change.
  3. The amount of matter in an object or substance.
  4. The principle of maintaining something in its original state.
  5. A substance formed as a result of a chemical reaction.
  6. A substance composed of two or more elements chemically combined.
Down
  1. A chemical reaction where two or more substances combine to form a new compound.
  2. The amount of product obtained in a chemical reaction.
  3. The number in front of a chemical formula indicating the number of molecules.
  4. A symbolic representation of a chemical reaction.
  5. The force that holds atoms together in a molecule.
  6. Describing a chemical equation where the number of atoms of each element is equal on both sides.
  7. The principle stating that matter cannot be created or destroyed in a chemical reaction.
  8. A substance that undergoes change in a chemical reaction.
  9. Relating to the properties or behavior of substances.

15 Clues: A group of atoms bonded together. • The amount of matter in an object or substance. • A symbolic representation of a chemical reaction. • The force that holds atoms together in a molecule. • The process of substances undergoing chemical change. • Relating to the properties or behavior of substances. • The amount of product obtained in a chemical reaction. • ...

C2.1 - C2.3 Revision 2016-11-22

C2.1 - C2.3 Revision crossword puzzle
Across
  1. The overall charge of an atom
  2. A chemical reaction that takes in energy from it's surroundings
  3. An element that has the same number of protons but different number of neutrons
  4. During a neutralisation reaction water and ? are always formed
  5. The actual amount of product made in a chemical reaction
  6. The total Mr of a compound
  7. A reaction that transfers energy to it's surroundings
  8. The smallest particle
  9. The ratio of elements in a compound
  10. Another word for the outer shell of electrons
Down
  1. All alkalines contain these.
  2. A bond made between two non metals
  3. The maximum amount of product made in a chemical reaction
  4. No mass is lost during a chemical reaction
  5. An allotrope of carbon that forms 4 strong covalent bonds
  6. A bond made between a metal and a non-metal
  7. The mass of an electron
  8. The At of an element
  9. The total Mr of a compound in grams
  10. The charge of a proton
  11. An allotrope off carbon that has free delocalised electrons
  12. The amount of product made in a chemical reaction

22 Clues: The At of an element • The smallest particle • The charge of a proton • The mass of an electron • The total Mr of a compound • All alkalines contain these. • The overall charge of an atom • A bond made between two non metals • The total Mr of a compound in grams • The ratio of elements in a compound • No mass is lost during a chemical reaction • ...

Chemistry 1 Unit 5 2020-11-20

Chemistry 1 Unit 5 crossword puzzle
Across
  1. / The amount of product obtained in a chemical reaction.
  2. Reactions / The process by which the atoms of one or more substances are arranged to form different substances.
  3. / A substance formed during a chemical reaction.
  4. Equation / A chemical equation in which the number of atom of each element are the same for the reactants and products.
  5. Reaction / A chemical reaction in which two or more substances react to yield a single product.
  6. / tells how much of an element is present in a compound.
  7. / comes before substances in a reaction.
Down
  1. reaction / A chemical reaction that occurs when a single compound breaks down into two or more elements or new compounds.
  2. Replacement reaction / A chemical reaction that involves the exchange of ions between two compounds and produces either a precipitate, a gas, or water.
  3. / The starting substance in a chemical reaction.
  4. Reaction / A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light.
  5. Solution / A solution where the solvent is water.
  6. / Avogadro invented them.
  7. Replacement Reaction / A chemical reaction that occurs when the atoms of one compound replaces the atoms of another element in a compound.

14 Clues: / Avogadro invented them. • / comes before substances in a reaction. • / The starting substance in a chemical reaction. • / A substance formed during a chemical reaction. • Solution / A solution where the solvent is water. • / The amount of product obtained in a chemical reaction. • / tells how much of an element is present in a compound. • ...

Balancing Chemical Equations 2017-11-29

Balancing Chemical Equations crossword puzzle
Across
  1. of Conservation of Mass The ________________________ states that matter cannot be created or destroyed.
  2. A change in _______ is also a sign of a chemical change.
  3. _______________ is a type of chemical reaction in which elements react with a compound and take the place of another element in that compound.
  4. Production Another way in which a chemical reactions is shown is ____________. This can also be found in the formation of bubbles.
  5. A substance made of two or more atoms of different elements chemically combined is known as a ___________.
  6. The _________ is the result of the reaction that took place.
  7. ______________ is a chemical reaction in which compounds combine into more complex substances.
  8. An equation in pure word form with no elemental symbols or numbers is called a ________ equation.
  9. ________ are the numbers found underneath element symbols to show ratio of a certain element to others in a compound.
  10. Reaction In an _____________ reaction energy is absorbed from matter nearby because more energy is required to break the bonds of the reactants than is released by the formation of the products.
  11. A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust is called ___________.
  12. A _________ is a substance that takes part in and undergoes change during a reaction.
  13. Reaction In an ____________ reaction energy from the reaction is released usually in the form of heat because the energy released as the products form is greater than the energy required to break the bonds of the reactants.
  14. System- In an _________ ________ matter can enter and escape into the surroundings.
  15. A pure substance that is made of one type of atom is referred to as an ___________.
  16. Change A change in state, shape, & size, in which no new substance is formed is known as a ____________.
Down
  1. ___________ is a condition in which different elements are equal or in the correct proportions.
  2. A _____________ is a combination of two or more of the same elements.
  3. In a chemical equation the transition from the original compounds to the result after the reaction is represented using an _____________.
  4. A __________ is a solid that forms from liquids during a chemical reaction.
  5. System In a _________ _________ matter cannot enter or leave and it occurs in a sealed; airtight container.
  6. A type of chemical reaction in which compounds split into simpler substances is known as ____________.
  7. The way that elements are stated in an equation is known as ___________.
  8. A physical substance in general, that which occupies space is referred to as ___________.
  9. The amount of a product produced by a chemical reaction compared to the amount of reactant is called the __________.
  10. Model __________ __________ is the theory that chemical reactions are the result of collisions between molecules that are strong enough to break bonds in the reactants, resulting in a rearrangement of atoms to form a product or products.
  11. A __________ is a number placed in front of a chemical formula in an equation that tells you the amount of a reactant or product that takes part in a reaction.
  12. Equation- A chemical equation in which the sum of atoms in the product or products does not equal the sum of atoms in the reactants is an ___________ ___________.
  13. Sign The compounds that are part of the reactants and the products in a chemical equation separated from each other in a chemical equation by a _________ __________.
  14. Equation A method of showing a chemical reaction using symbols instead of words is called a ___________ ____________.

30 Clues: A change in _______ is also a sign of a chemical change. • The _________ is the result of the reaction that took place. • A _____________ is a combination of two or more of the same elements. • The way that elements are stated in an equation is known as ___________. • A __________ is a solid that forms from liquids during a chemical reaction. • ...

Science Vocabulary Crossword 2017-01-14

Science Vocabulary Crossword crossword puzzle
Across
  1. Found in the nucleus of an atom and it has a positive charge
  2. Showing response to a stimulus
  3. The ability of a metal to be pulled or stretched into a wire
  4. An easily seperable mixture
  5. A mixture with unevenly spread particles
  6. The substances that enter a chemical reaction
  7. A solid that forms as a result of a chemical reaction
  8. The ability of a metal to be pounded into different shapes
  9. The result of a chemical reaction
  10. A mixture with evenly spread particles
  11. Two or more chemically combined elements
Down
  1. Dissolves another substance in a solution
  2. Found in the nucleus of an atom and has a neutral charge
  3. Increases the rate of a reaction
  4. Point The temperature at which a substance boils
  5. The ability of a metal to conduct electricity
  6. Number The number of protons in an element
  7. When a chemical reaction absorbs energy
  8. The lesser part of a solution
  9. when a chemical reaction releases energy

20 Clues: An easily seperable mixture • The lesser part of a solution • Showing response to a stimulus • Increases the rate of a reaction • The result of a chemical reaction • A mixture with evenly spread particles • When a chemical reaction absorbs energy • A mixture with unevenly spread particles • when a chemical reaction releases energy • Two or more chemically combined elements • ...

Chemical Reactions 2024-05-02

Chemical Reactions crossword puzzle
Across
  1. A way of representing chemical reactions with words indicating reactants and products.
  2. Reaction A process in which the identity and the nature of the initial substances somewhat change.
  3. A reaction where an element displaces another element in a compound.
  4. The degradation of metals due to reactions with substances like oxygen, water, acids, etc.
  5. An equation where the number of atoms for each element is the same on both sides, complying with the law of conservation of mass.
  6. A reaction where a single substance breaks down into two or more simpler products.
  7. A process in which a substance gains oxygen or loses hydrogen.
Down
  1. A reaction involving the exchange of ions between two compounds resulting in the formation of two different compounds.
  2. A reaction where two or more substances combine to form a single product.
  3. New substances formed during a reaction.
  4. A process in which a substance loses oxygen or gains hydrogen.
  5. The spoilage of fats and oils due to oxidation, leading to an undesirable change in flavor and smell.
  6. A reaction that results in the formation of an insoluble product (precipitate).
  7. A symbolic representation of a chemical reaction using chemical formulas.
  8. A reaction that absorbs heat.
  9. A reaction that releases heat.
  10. A reaction involving both reduction and oxidation where substances engage in the transfer of electrons.
  11. Substances that undergo chemical change during a reaction.

18 Clues: A reaction that absorbs heat. • A reaction that releases heat. • New substances formed during a reaction. • Substances that undergo chemical change during a reaction. • A process in which a substance loses oxygen or gains hydrogen. • A process in which a substance gains oxygen or loses hydrogen. • A reaction where an element displaces another element in a compound. • ...

Science Voabulary Crossword 2017-01-14

Science Voabulary Crossword crossword puzzle
Across
  1. The lesser part of a solution
  2. Showing response to a stimulus
  3. The substances that enter a chemical reaction
  4. The ability of a metal to be pulled or stretched into a wire
  5. Point The temperature at which a substance boils
  6. when a chemical reaction releases energy
  7. The ability of a metal to conduct electricity
  8. A solid that forms as a result of a chemical reaction
  9. A mixture with evenly spread particles
  10. Two or more chemically combined elements
Down
  1. Dissolves another substance in a solution
  2. Found in the nucleus of an atom and has a neutral charge
  3. Increases the rate of a reaction
  4. An easily seperable mixture
  5. The result of a chemical reaction
  6. A mixture with unevenly spread particles
  7. The ability of a metal to be pounded into different shapes
  8. Number The number of protons in an element
  9. When a chemical reaction absorbs energy
  10. Found in the nucleus of an atom and it has a positive charge

20 Clues: An easily seperable mixture • The lesser part of a solution • Showing response to a stimulus • Increases the rate of a reaction • The result of a chemical reaction • A mixture with evenly spread particles • When a chemical reaction absorbs energy • A mixture with unevenly spread particles • when a chemical reaction releases energy • Two or more chemically combined elements • ...

Science Vocabulary Crossword 2017-01-14

Science Vocabulary Crossword crossword puzzle
Across
  1. An easily seperable mixture
  2. Two or more chemically combined elements
  3. The ability of a metal to be pulled or stretched into a wire
  4. Increases the rate of a reaction
  5. A mixture with evenly spread particles
  6. Number The number of protons in an element
  7. When a chemical reaction absorbs energy
  8. The ability of a metal to conduct electricity
  9. Found in the nucleus of an atom and has a neutral charge
  10. The substances that enter a chemical reaction
Down
  1. The result of a chemical reaction
  2. when a chemical reaction releases energy
  3. The lesser part of a solution
  4. A mixture with unevenly spread particles
  5. A solid that forms as a result of a chemical reaction
  6. The ability of a metal to be pounded into different shapes
  7. Showing response to a stimulus
  8. Point The temperature at which a substance boils
  9. Dissolves another substance in a solution
  10. Found in the nucleus of an atom and it has a positive charge

20 Clues: An easily seperable mixture • The lesser part of a solution • Showing response to a stimulus • Increases the rate of a reaction • The result of a chemical reaction • A mixture with evenly spread particles • When a chemical reaction absorbs energy • when a chemical reaction releases energy • A mixture with unevenly spread particles • Two or more chemically combined elements • ...

Chemical Reaction Crossword Puzzle Created by Nick Gadams 7-2 2018-02-02

Chemical Reaction Crossword Puzzle Created by Nick Gadams 7-2 crossword puzzle
Across
  1. Number in front of a chemical formula in an equation
  2. What indicates the ratio of elements in a compound
  3. A+B->AB
  4. Change in matter that produces one or more new substances
  5. A combonation of symbols and numbers that represent what is in a molecule
  6. Fats and oils
  7. AB+C->AC+B
  8. Type of reaction that releases energy
  9. Sugars, starches, and cellulose
  10. States that during a chemical reaction, matter is not created or destroyed
Down
  1. Type of reaction that absorbs energy
  2. Substances you end up with in a chemical reaction
  3. An atom that is giving off particles and energy
  4. Substances you start with in a chemical reaction
  5. DNA and RNA
  6. The process when small nuclei combine to form a new massive nucleus
  7. AB+CD->AC+BD
  8. When a large unstable nucleus breaks apart
  9. Using formulas and sybols instead of words to represent a chemical reaction
  10. One or more chains of amino acids

20 Clues: A+B->AB • AB+C->AC+B • DNA and RNA • AB+CD->AC+BD • Fats and oils • Sugars, starches, and cellulose • One or more chains of amino acids • Type of reaction that absorbs energy • Type of reaction that releases energy • When a large unstable nucleus breaks apart • An atom that is giving off particles and energy • Substances you start with in a chemical reaction • ...

Chase Tic Tac Toe 2014-11-14

Chase Tic Tac Toe crossword puzzle
Across
  1. a substance formed by a chemical reaction
  2. a solid substance that forms as a result of a chemical reaction
  3. the number of protons in the nucleus
  4. the total number of protons and neutrons in the nucleus
  5. a negatively charged particle outside of the nucleus
  6. a substance that cannot be broken down into a simpler substance by ordinary chemical changes
  7. a horizontal row in the table of elements
  8. increases chemical reaction but is not itself consumed in the reaction
  9. a group of atoms that are held together by covalent bonds
  10. a vertical column in the table of elements
  11. an atom or group of atoms that have a positive or negative charge
  12. denoting a process involving substances in different phases
Down
  1. a substance that is present at the beginning of a chemical reaction and is changed into a new substance
  2. changes affecting the form of a chemical substance but not its chemical composition
  3. law stating that atoms cannot be created or destroyed in a chemical reaction
  4. occurs when two substances combine to create a new substance
  5. a number written slightly below and to the right of a chemical symbol that shows how many atoms of the element are in a compound
  6. an atom of an element that has a different number of neutrons than another atom of the same element
  7. a particle inside the nucleus that has no charge
  8. a positively charged particle inside the nucleus
  9. the number before a chemical formula that indicates how many molecules are involved in a chemical reaction
  10. a combination of two or more substances that do not combine chemically
  11. substances and mixtures that are in one single phase
  12. a substance formed by two or more different types of atoms bonding together

24 Clues: the number of protons in the nucleus • a substance formed by a chemical reaction • a horizontal row in the table of elements • a vertical column in the table of elements • a particle inside the nucleus that has no charge • a positively charged particle inside the nucleus • a negatively charged particle outside of the nucleus • ...

biology unit 2 vocab 2023-09-27

biology unit 2 vocab crossword puzzle
Across
  1. molecules composed of many monomers; makes up macromolecules
  2. elements or compounds that enter into a chemical reaction
  3. reaction in living organisms that builds molecules (requires energy)
  4. reaction in living organisms that breaks down complex molecules (releases energy)
  5. biological catalysts
  6. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  7. simple sugar molecule
  8. energy- energy that is needed to get a reaction started
  9. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  10. reactant of an enzyme-catalyzed reaction
  11. reaction- a reaction that releases energy (gives off heat)
  12. small chemical unit that makes up a polymer
  13. acid- compound with an amino group on one end and a carboxyl group on the other end
  14. acid- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
Down
  1. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  2. a complex carbohydrate made up of many monosaccharides
  3. made up of amino acids
  4. substance that speeds up the rate of a chemical reaction
  5. reaction- process that changes, or transforms, one set of chemicals into another set of chemicals
  6. large organic molecule made up of many atoms (like proteins)
  7. formed as a result of a chemical reaction
  8. reaction- a reaction that absorbs energy (absorbs heat)

22 Clues: biological catalysts • simple sugar molecule • made up of amino acids • reactant of an enzyme-catalyzed reaction • formed as a result of a chemical reaction • small chemical unit that makes up a polymer • a complex carbohydrate made up of many monosaccharides • reaction- a reaction that absorbs energy (absorbs heat) • ...

PS211A ch 7 review 2025-03-25

PS211A ch 7 review crossword puzzle
Across
  1. any instance in which electrons are lost
  2. The speed of a reaction
  3. substances that reactiants combine to produce
  4. one in which a single reactant breaks down into two or more products
  5. a substance, usually called a fuel, reacts with oxygen
  6. The mass of one mole of a substance
  7. slow the rate of a reaction by reducing the effectiveness of catalysts
  8. the forward and reverse reactions each happen at the same rate
  9. Reactions that release this energy as heat
  10. combine two or more reactants into a single, more complex product
  11. any chemical system in equilibrium will adjust its equilibrium state in such a way as to reduce the effect of any changes made to the system.
  12. one element in a compound is replaced by another element
Down
  1. we need three things to happen before reactants will react
  2. A reaction that absorbs more energy than it releases
  3. a combination of chemical formulas and symbols that models a chemical reaction.
  4. two compounds swap cations or anions with each other
  5. the products can react together to re-form the original reactants
  6. The energy needed to get a chemical reaction started
  7. substances that enter into a chemical reaction
  8. during a chemical reaction no energy is created or destroyed, but only changed from one form to another
  9. a process that changes a substance into one or more different substances.
  10. The number placed in front of a chemical formula within a chemical equation
  11. a substance that helps a reaction happen faster but is not used up in the reaction
  12. a defined quantity of items.
  13. the element that gains electrons and is thus reduced

25 Clues: The speed of a reaction • a defined quantity of items. • The mass of one mole of a substance • any instance in which electrons are lost • Reactions that release this energy as heat • substances that reactiants combine to produce • substances that enter into a chemical reaction • A reaction that absorbs more energy than it releases • ...

8th chemical reactions 2024-03-13

8th chemical reactions crossword puzzle
Across
  1. a mixture that you can see the separate parts
  2. what does the dissolving In a solution
  3. this type of reaction takes simple things and combines them to make them more complex
  4. this small number following an element’s symbol in a chemical equation tells you how many atoms of that element are present in the reaction
  5. if a solution is _________ then it is able to dissolve more solute at a given temp
  6. if chemicals change ___, it may indicate a chemical reaction has taken place
  7. if a solution is _______ then it contains more solute than a saturated one. Solution is unstable and may form crystals
  8. if this (tiny bubbles) are produced during a reaction, it may indicate a chemical reaction
  9. these are catalysts in our body that speed up chemical reactions
  10. a chemical reaction occurs when existing chemical ___ are broken and new ones may be made
  11. what gets dissolved in a solution
  12. increasing this will cause particles to move faster and will increase the reaction rate, lowering it will decrease the rate
  13. in this type of reaction system, the reaction is contained, matter cannot enter or exit
  14. in this type of chemical reaction system, the environment can influence the reaction, or matter can enter and escape from the reaction
  15. a ___ change is one in which the appearance of the matter changes, it does not change what it is
  16. a compound that prevents or slows down a chemical reaction
  17. these are examples of synthetic foods- they are added too food to make them last longer
  18. salt and water are considered ___ ___ because they have fixed chemical compositions
  19. a mixture where particles can be seen and separated by settling or filtration.
  20. a mixture containing small undissolved particles that do not settle out- they may be too small to see, but they can scatter light.
  21. in this type of reaction, positive ions of both compound switch places
  22. the measure of how much solute can dissolve in a solvent at a given temperature
  23. all the atoms of each element reacting in a chemical equation must ___ the number of atoms that are being produced.
  24. when determining if something will dissolve something else it is helpful to remember the phrase “___ ____ ____”
  25. Material made up of 2 or more substances that can be separated by physical means
Down
  1. the Law of ___ __ ___ states matter cannot be created nor destroyed, only changed
  2. a mixture that is the same throughout
  3. this number in front of a compound in a chemical equation tells you how many molecules of that compound there are
  4. the arrow in a chemical equation means this word
  5. adding water or another solvent to a solution will ____ the mixture and could slow down the reaction
  6. the things that are produced in a chemical reaction
  7. long chains of molecules made of repeating units called monomers - examples are plastics and wool
  8. a chemical ___ shows the number of chemicals and how they react to form now substances
  9. the amount of __ in a given volume is concentration
  10. these/this is any compound that is reacting, it is on the left side of the arrow in a chemical equation
  11. ___ energy is the minimum amount of energy needed for a reaction to take place
  12. in this type of reaction, one substance changes places with another
  13. you can put chemical inhibitors called ___ onto food to keep them from decaying
  14. a solid may form when 2 liquids react, it is called this, a ___
  15. type of reaction that gives off energy
  16. a ___ change occurs when a new substance is created
  17. material made by humans and are not natural are called __________
  18. in this type of reaction, one complex compound will break down into simpler ones
  19. crushing or breaking something up will increase the __ __ of the substance and allow more surfaces for the reaction to take place
  20. a compound that speeds up a chemical reaction without itself being consumed
  21. separating a mixture by heating so that the part that has a lower boiling point will evaporate first, then it is collected while the gas cools and condenses
  22. the scattering of light as it passes through a colloid is called the ___ __
  23. if a solution is __________ then contains all the solute it can at a given temp
  24. type of reaction that absorbs energy as it happens

49 Clues: what gets dissolved in a solution • a mixture that is the same throughout • what does the dissolving In a solution • type of reaction that gives off energy • a mixture that you can see the separate parts • the arrow in a chemical equation means this word • type of reaction that absorbs energy as it happens • the things that are produced in a chemical reaction • ...

Reactions Crossword 2016-04-16

Reactions Crossword crossword puzzle
Across
  1. measures the extent to which reactants are converted to products by the reaction
  2. REACTIONS exothermic reaction in which something reacts with oxygen
  3. REACTION chemical reaction between an acid and a base which produces a neutral solution
  4. REACTION chemical reaction resulting in a precipitate
  5. REPLACEMENT REACTION cations and anions switch between 2 reactants to form new compounds
  6. EXPRESSION balanced ratio between products and reactants
  7. REPLACEMENT REACTION one element replaced by another compound in product
  8. NUMBER number assigned to element in chemical combination that represents number of electrons gained or lost by atom
  9. REACTION 2 or more simple substances come together to make a more complex product
Down
  1. REACTION breakdown of a chemical reaction into simpler compounds or elements
  2. EQUILIBRIUM state of a chemical reaction when the concentrations of products and reactions are unchanged over time
  3. 2 aqueous solutions to make a solid
  4. ability for solute to dissolve in solution
  5. REACTION half-reaction that decreases oxidation number by gaining electrons
  6. SERIES list of metals ranked in order of decreasing reactivity to displace hydrogen from water and acid solutions
  7. IONIC EQUATION show strong, soluble electrolytes that omit spectator ions

16 Clues: 2 aqueous solutions to make a solid • ability for solute to dissolve in solution • REACTION chemical reaction resulting in a precipitate • EXPRESSION balanced ratio between products and reactants • REACTIONS exothermic reaction in which something reacts with oxygen • REPLACEMENT REACTION one element replaced by another compound in product • ...

Chemical Reactions by Ayaan 10 L 2025-04-29

Chemical Reactions by Ayaan 10 L crossword puzzle
Across
  1. A reaction where one compound breaks down into simpler substances
  2. A reaction that absorbs heat energy from the surroundings
  3. The gain of electrons or loss of oxygen in a chemical reaction
  4. A reaction where one element replaces another in a compound
  5. A representation of a chemical reaction using symbols and formulas
  6. The starting substance that takes part in a chemical reaction
  7. A reaction where two or more substances join to form a single product
Down
  1. The spoilage of fats and oils when they react with oxygen
  2. The loss of electrons or gain of oxygen in a chemical reaction
  3. A reaction that releases heat energy to the surroundings
  4. A solid that forms and settles out of a liquid mixture during a reaction
  5. A substance that increases the rate of a chemical reaction without being consumed in it
  6. A state in a chemical equation where the number of atoms of each element is equal on both sides
  7. The new substance formed as a result of a chemical reaction
  8. The slow destruction of metals due to reaction with air and moisture

15 Clues: A reaction that releases heat energy to the surroundings • The spoilage of fats and oils when they react with oxygen • A reaction that absorbs heat energy from the surroundings • A reaction where one element replaces another in a compound • The new substance formed as a result of a chemical reaction • The starting substance that takes part in a chemical reaction • ...

Chemical Reactions 2026-03-11

Chemical Reactions crossword puzzle
Across
  1. Substance that participates in a chemical reaction
  2. Substance formed as a result of a chemical reaction
  3. Substance which slows down or stops a chemical reaction
  4. Substance that speeds up a reaction without being consumed
  5. Reaction in which one element replaces another in a compound
  6. Chemical link that holds molecules together
  7. Reaction between an acid and base forming water and salts
Down
  1. Factor affecting the rate of reactions
  2. Chemical reaction in which a single compound breaks down into two or more elements or compounds
  3. Reaction that takes in energy in the form of heat
  4. Gain of oxygen by a substance during a chemical reaction
  5. Solid that forms from a solution during a chemical reaction
  6. ___ energy is the energy needed to start a reaction
  7. Reaction that gives out energy in the form of heat

14 Clues: Factor affecting the rate of reactions • Chemical link that holds molecules together • Reaction that takes in energy in the form of heat • Substance that participates in a chemical reaction • Reaction that gives out energy in the form of heat • Substance formed as a result of a chemical reaction • ___ energy is the energy needed to start a reaction • ...

Chemical Reaction And Equations by Abdul wasey 10 S 2025-05-12

Chemical Reaction And Equations by Abdul wasey 10 S crossword puzzle
Across
  1. Reaction absorbing heat from surroundings
  2. Removal of oxygen or addition of hydrogen to a substance
  3. Equation The symbolic representation of a chemical reaction
  4. Reaction where a more reactive element displaces a less reactive one
  5. reaction involving addition of oxygen or removal of hydrogen
  6. Formation of a solid during a chemical reaction in solution
Down
  1. Reaction where a compound breaks down into two or more substances
  2. a chemical change with the release of heat
  3. Displacement A reaction involving exchange of ions between two compounds
  4. Reaction where two or more substances combine to form a single product
  5. the process of a substance combining with oxygen to release heat and light Reaction where
  6. Substance that speeds up a chemical reaction without being consumed
  7. The chemical used to test the presence of carbon dioxide
  8. An insoluble solid formed during a double displacement reaction
  9. The brown coating formed on iron due to corrosion

15 Clues: Reaction absorbing heat from surroundings • a chemical change with the release of heat • The brown coating formed on iron due to corrosion • Removal of oxygen or addition of hydrogen to a substance • The chemical used to test the presence of carbon dioxide • Equation The symbolic representation of a chemical reaction • ...

Chemical Reactions 2024-02-26

Chemical Reactions crossword puzzle
Across
  1. state of matter symbol is (l)
  2. a _____ replacement reaction where an element and a compound are mixed
  3. in a chemical reaction ______ must be conserved
  4. symbols, letters and numbers that describe a chemical reaction
  5. a number that tells how many moles of a substance there are in an equation
  6. a solid formed when two solutions react
  7. a number in a chemical formula that tells how many atoms of an element there are in a molecule
  8. symbol that means reacts with in a chemical equation
  9. a _____ replacement reaction is where two aqueous compounds are mixed
  10. a reaction where there is only one product
  11. state of matter symbol is (s)
Down
  1. substances entering a reaction
  2. a reaction that has only one reactant
  3. state of matter symbol is (g)
  4. an equation that has the same number of each atom on both sides
  5. when a triangle appears over an arrow, _____ is added
  6. substances formed in a reaction
  7. symbol that separates reactants from products
  8. a reaction of a hydrocarbon with oxygen that forms water and carbon dioxide
  9. a mixture where water is the solvent

20 Clues: state of matter symbol is (l) • state of matter symbol is (g) • state of matter symbol is (s) • substances entering a reaction • substances formed in a reaction • a mixture where water is the solvent • a reaction that has only one reactant • a solid formed when two solutions react • a reaction where there is only one product • symbol that separates reactants from products • ...