chemical reaction Crossword Puzzles

chemical reaction 2023-10-05

chemical reaction crossword puzzle
Across
  1. when there is a fuel with oxygen.
  2. you can continue to farm and harvest it and won't run out.
  3. iron oxide
  4. big name for a type of pH indicator.
  5. fuel made from renewable sources.
  6. a measurement of the acidity of substances.
  7. an acid with a really low pH and really wants to give away it's hydrogen.
  8. the wearing down of metals.
  9. lots of acid together that hasn't been diluted.
  10. something that is bitter, slippery/soapy, reacts with oils and fats and neutralises acids.
  11. the official indicator that is used in labs.
  12. a reaction that absorbs heat, feels cold to touch, opposite of exothermic.
  13. the materials that react with each other to make the product.
Down
  1. a base and an acid makes water and what?
  2. you cannot farm it and there is a limited source.
  3. stains your clothes and can be used as a natural indicator.
  4. an acid that doesn't really push to give away its hydrogen, has a pH closer to 7.
  5. a reaction that lets out heat, energy, light, and is warm/hot to touch.
  6. has citric acid and is very sour.
  7. the end result made from the chemical reaction.
  8. a base that dissolves in water.
  9. gas form of carbon.
  10. ethanol, methanol and methane are examples of this.
  11. has been mixed with water and is no longer concentrated.
  12. made from fermented sugar/ fruit and veg
  13. what is it called when iron rusts or copper goes green??
  14. acetic acid, used in cooking.
  15. anything with a pH of 7 is...
  16. something that is sour, reacts with metal, has a pH lower than 7 neutralise bases.
  17. acids do to the acidity of a substance when added to a base?
  18. a substance that changes colour when added to solutions with different acidities, used to see how acidic things are.
  19. something that produces energy, light, heat when it reacts other materials like oxygen.
  20. good drink and can be used as a natural indicator.

33 Clues: iron oxide • gas form of carbon. • the wearing down of metals. • acetic acid, used in cooking. • anything with a pH of 7 is... • a base that dissolves in water. • when there is a fuel with oxygen. • has citric acid and is very sour. • fuel made from renewable sources. • big name for a type of pH indicator. • a base and an acid makes water and what? • ...

chemical reaction 2025-03-12

chemical reaction crossword puzzle
Across
  1. gaz à effet de serre
  2. or
  3. limitant
  4. catalyseur
  5. donner, conduire à (pour une réaction)
  6. combustible
  7. réactif
  8. chlore
  9. azote
Down
  1. argent
  2. produit
  3. équilibre (en chimie)
  4. comburant
  5. solvant
  6. vitesse (pour une réaction)
  7. cinétique
  8. équilibrer
  9. cuivre
  10. plomb
  11. fer

20 Clues: or • fer • plomb • azote • argent • cuivre • chlore • produit • solvant • réactif • limitant • comburant • cinétique • équilibrer • catalyseur • combustible • gaz à effet de serre • équilibre (en chimie) • vitesse (pour une réaction) • donner, conduire à (pour une réaction)

Chemical reaction 2018-09-18

Chemical reaction crossword puzzle
Across
  1. old-af
  2. booze
  3. low
  4. my-anxiety
  5. pure
  6. heat
  7. base
  8. me’nt
  9. colour
  10. jakepaulers
  11. Acid
  12. sour
  13. water&salt
  14. Aqua
  15. holdshittogether
  16. green
  17. Daniel
Down
  1. natural-fuel
  2. scale
  3. put-oxygen
  4. redbull
  5. figureitout
  6. bitter
  7. cold
  8. typeofwater
  9. acid
  10. base
  11. acid
  12. explosion
  13. oils
  14. poison
  15. burgers
  16. josh
  17. me

34 Clues: me • low • pure • cold • heat • base • acid • base • acid • Acid • oils • sour • josh • Aqua • scale • booze • me’nt • green • old-af • bitter • colour • poison • Daniel • redbull • burgers • explosion • put-oxygen • my-anxiety • water&salt • figureitout • typeofwater • jakepaulers • natural-fuel • holdshittogether

Chemical Reaction 2013-06-13

Chemical Reaction crossword puzzle
Across
  1. the ability of a substance to bend or be hammered into different shapes
  2. a plastic made from starch derived from plants such as corn and potato
  3. conductivity the ability of a substance to transfer heat: good heat conductors transfer well; poor heat conductors transfer poorly
  4. the ability of a substance to be drawn into wires
  5. a green patina caused by the reaction of copper with air or sea water over a long period of time
  6. conductivity the ability af a substance to transfer elctricity: good electrical conductors transfer electricity well;poor electricical conductors transfer electricity poorly
  7. a new substance produced in a chemical reaction
Down
  1. the ability of a substance to catch fire
  2. properties the properties that show how a substance reacts when combined with other substances
  3. how shiney a material is
  4. does not break down
  5. how poisonous a substances is
  6. change ocurs when the form of a substance changes, but the kind of substance remains the same; for example, a change of state and dissolving
  7. capable of decomposing by the action of micro-organisms
  8. a compound produced when iron reacts with oxygen and water in the atmosphere
  9. a characteristic or feature of a substance
  10. the breakdown of a metallic substance due to a chemical reaction with substances in the environment, such as oxygen and water
  11. a substance used up in a chemical reaction
  12. a large molecule made up of small repeating subunits chemically bonded together

19 Clues: does not break down • how shiney a material is • how poisonous a substances is • the ability of a substance to catch fire • a characteristic or feature of a substance • a substance used up in a chemical reaction • a new substance produced in a chemical reaction • the ability of a substance to be drawn into wires • capable of decomposing by the action of micro-organisms • ...

Chemical Reaction 2023-06-13

Chemical Reaction crossword puzzle
Across
  1. able to cause damage
  2. starting substance that is part of a chemical reaction
  3. group of atoms joined together in a particular way
  4. temperature at which a substance changes from the solid phase to the liquid phase
  5. object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  6. letters and numbers showing the types and number of atoms that repeat to make up a substance
  7. to change the order or position of something
  8. something that is made of all the same atoms or groups of atoms
  9. homogeneous mixture
  10. temperature at which a substance changes from the liquid phase to the gas phase
Down
  1. the substance in which the solute dissolved
  2. the relative size of things
  3. something that can be observed about a substance, such as color, smell, or boiling point
  4. the substance being dissolved
  5. process in which atoms rearrange to form new substances
  6. the ability of a substance to dissolve
  7. ending substance that is made during a chemical reaction
  8. structureformed by repeating groups of atoms linked together
  9. object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  10. substance that is added to soil to help plants grow
  11. tiny pieces that all matter is made of

21 Clues: homogeneous mixture • able to cause damage • the relative size of things • the substance being dissolved • the ability of a substance to dissolve • tiny pieces that all matter is made of • the substance in which the solute dissolved • to change the order or position of something • group of atoms joined together in a particular way • ...

chemical reaction 2025-02-19

chemical reaction crossword puzzle
Across
  1. Reaction – A process where substances (reactants) are transformed into new substances (products) with different properties.
  2. – A reaction in which a substance reacts with oxygen, releasing heat and light (burning).
  3. Scale – A scale from 0 to 14 that measures the acidity or alkalinity of a solution (0-6 acidic, 7 neutral, 8-14 basic).
  4. – Substances that change color to show the presence of an acid or base (e.g., litmus paper, universal indicator).
  5. Change – A change that results in the formation of one or more new substances (e.g., burning, rusting).
  6. of Mass – The principle that matter is neither created nor destroyed in a chemical reaction; the mass of reactants equals the mass of products.
  7. of Reaction – The speed at which reactants turn into products, affected by temperature, concentration, surface area, and catalysts.
  8. – A substance that speeds up a chemical reaction without being used up.
  9. Reaction – A reaction where a compound breaks down into simpler substances (e.g., electrolysis of water).
  10. – The starting substances in a chemical reaction that undergo change.
Down
  1. Reaction – A reaction that absorbs heat energy from the surroundings (e.g., photosynthesis, melting ice).
  2. – A solid that forms from a solution during a chemical reaction.
  3. – The slow destruction of metals due to reactions with oxygen and water (e.g., rusting).
  4. – A reaction where a substance gains oxygen or loses electrons (e.g., rusting of iron).
  5. Change – A change that affects the form of a substance but does not create a new substance (e.g., melting, freezing, dissolving).
  6. Reaction – A reaction that releases heat energy to the surroundings (e.g., combustion, respiration).
  7. (Synthesis) Reaction – A reaction where two or more substances combine to form a new compound.
  8. Reaction (Neutralization) – A reaction between an acid and a base to produce a salt and water.
  9. Reaction – A reaction where a more reactive element replaces a less reactive element in a compound.
  10. – The new substances formed as a result of a chemical reaction.

20 Clues: – The new substances formed as a result of a chemical reaction. • – A solid that forms from a solution during a chemical reaction. • – The starting substances in a chemical reaction that undergo change. • – A substance that speeds up a chemical reaction without being used up. • ...

Chemical Reaction 2025-02-02

Chemical Reaction crossword puzzle
Across
  1. with heat, particles move farther _____ and speed up
  2. understanding temperature effect on reactions is important for _____ and biological industries
  3. _____the temperature of chemicals to make reaction faster
  4. faster movement result in greater ______ during collisions
  5. these particles have a fixed position, but vibrate in place
  6. successful _______ are increased with higher temperatures
  7. the principle that explains how temperature affects chemical reactions is called _____ theory
  8. evidence of a chemical change
  9. rusting occurs more slowly in _____ temperatures
  10. increased movement causes particles to do this
Down
  1. with increased temperature, chemical reactions will occur
  2. a measure of energy in a substance
  3. particles move faster when temperature does this
  4. when food goes through chemical change in our body
  5. particle motions slows down when energy(heat) is ________
  6. successful collisions happen with ____ temperatures
  7. these particles take the shape of the container they are in
  8. chemical changes form ___ substances

18 Clues: evidence of a chemical change • a measure of energy in a substance • chemical changes form ___ substances • increased movement causes particles to do this • particles move faster when temperature does this • rusting occurs more slowly in _____ temperatures • when food goes through chemical change in our body • successful collisions happen with ____ temperatures • ...

Chemical Reaction 2025-11-14

Chemical Reaction crossword puzzle
Across
  1. Type of reaction AB+CD---AC+BD (2word)
  2. 92 of these are found in nature
  3. Evidence of a reaction bubbles
  4. Element symbols used to represent a compound
  5. representation of a chemical reaction
  6. Evidence of reaction with heat
  7. Chemical __________
  8. Substance formed as a result of a reaction
  9. Two or more elements combined
Down
  1. Number in front of a molecule or compound
  2. speeds up a chemical reaction
  3. Type of reaction where a compound is broken down
  4. Type of reaction where elements replace each other
  5. Type of reaction A+B---AB
  6. Substance undergoing change in a reaction
  7. The lower 2 in the molecule CO2
  8. basic unit of a formula
  9. Evidence of reaction liquid turns orange

18 Clues: Chemical __________ • basic unit of a formula • Type of reaction A+B---AB • speeds up a chemical reaction • Two or more elements combined • Evidence of a reaction bubbles • Evidence of reaction with heat • 92 of these are found in nature • The lower 2 in the molecule CO2 • representation of a chemical reaction • Type of reaction AB+CD---AC+BD (2word) • ...

CHEMICAL REACTION 2018-10-09

CHEMICAL REACTION crossword puzzle
Across
  1. reaction requires an input of energy (energy is absorbed)
  2. changes the rate of a chemical reaction without being used up
  3. uses chemical symbols and numbers to represent a given substance
  4. process when atoms are rearranged to produce new substances
  5. CH4 is the chemical formula for what substance
  6. may form a solid in a solution
  7. substances formed in a reaction
  8. a type of catalyst found in living things
  9. the number in front of the chemical formula
  10. the element that has 16 protons
Down
  1. the element in period 4 group 2
  2. an expression that uses symbols to show the relationship between the starting substances and the substances that are produced by a chemical reaction
  3. number written below and to the right of the chemical symbol
  4. sign is represented by and arrow in a chemical equation
  5. an atom with a different number of protons than neutrons
  6. a neutral atom that gains or loses electrons
  7. substances that participate in a chemical reaction
  8. reaction energy is released to the surroundings

18 Clues: may form a solid in a solution • the element in period 4 group 2 • substances formed in a reaction • the element that has 16 protons • a type of catalyst found in living things • the number in front of the chemical formula • a neutral atom that gains or loses electrons • CH4 is the chemical formula for what substance • reaction energy is released to the surroundings • ...

Chemical reaction 2024-11-14

Chemical reaction crossword puzzle
Across
  1. is a chemical equation with the same number of atoms of each element on both sides of the arrow
  2. A chemical reaction that releases energy in the form of light or heat
  3. Gain of electrons
  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 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
  6. The speed at which reactants are converted in products
  7. 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.
  8. Are those which absorb energy from the surroundings and result in a net decrease in temperature
Down
  1. 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.
  2. A substance that takes part in and undergoes change during a reaction
  3. The amount of a substance that contains 6.02 x 1023 particles of that substance
  4. 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.
  5. Is a substance that is formed as the result of a chemical reaction.
  6. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  7. Loss of Electrons
  8. eaction:A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  9. Mass in grams of one mole of a substance
  10. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

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

Chemical Reaction 2013-12-15

Chemical Reaction crossword puzzle
Across
  1. The things that react together in a reaction
  2. This change is reversible
  3. Which side of the fire triangle is taken away by water?
  4. a substance which contains energy that is released by burning is called a...
  5. You might see this given off in a chemical reaction
  6. Another word for irreversible
  7. A substance that is made only of hydrogen and carbon is called a...
  8. This is the product of combustion that you can drink
  9. Iron + oxygen --> ?
Down
  1. This change always produces a new substance
  2. Something that is produced at the end of a chemical reaction
  3. This turns cloudy when mixed with carbon dioxide
  4. This is the product of combustion that you cannot drink
  5. Burning is also known as...
  6. You hear a squeaky pop when this substance burns
  7. During a reaction chemicals may split up or ...
  8. This word means something that can go back
  9. The three things needed for a fire to burn are fuel, heat and ...

18 Clues: Iron + oxygen --> ? • This change is reversible • Burning is also known as... • Another word for irreversible • This word means something that can go back • This change always produces a new substance • The things that react together in a reaction • During a reaction chemicals may split up or ... • This turns cloudy when mixed with carbon dioxide • ...

Chemical Reaction 2018-10-09

Chemical Reaction crossword puzzle
Across
  1. reaction energy is released to the surroundings
  2. the number in front of the chemical formula
  3. process when atoms are rearranged to produce new substances
  4. may form a solid in a solution
  5. a neutral atom that gains or loses electrons
  6. changes the rate of a chemical reaction without being used up
  7. CH4 is the chemical formula for what substance
  8. an atom with a different number of protons than neutrons
Down
  1. reaction requires an input of energy (energy is absorbed)
  2. number written below and to the right of the chemical symbol
  3. uses chemical symbols and numbers to represent a given substance
  4. an expression that uses symbols to show the relationship between the starting substances and the substances that are produced by a chemical reaction
  5. substances that participate in a chemical reaction
  6. substances formed in a reaction
  7. the element in period 4 group 2
  8. sign is represented by and arrow in a chemical equation
  9. a type of catalyst found in living things
  10. the element that has 16 protons

18 Clues: may form a solid in a solution • substances formed in a reaction • the element in period 4 group 2 • the element that has 16 protons • a type of catalyst found in living things • the number in front of the chemical formula • a neutral atom that gains or loses electrons • CH4 is the chemical formula for what substance • reaction energy is released to the surroundings • ...

Chemical Reaction 2025-12-09

Chemical Reaction crossword puzzle
Across
  1. Sometimes with gas formation happens in a chemical change you will see these.
  2. Can change states and become ice or steam, these changes are physical changes.
  3. This process releases energy and feels warmer to the touch.
  4. A precipitate, also called a __ can form when 2 liquids are mixed during certain chemical reactions.
  5. New substances that are created after a chemical reaction.
  6. A substance that dissolves other substances.
  7. When cooking it is common to have a change in __ (smell).
  8. This type of change makes something new.
  9. An exothermic or endothermic reaction describes a change in __.
  10. Substances that are mixed during a chemical reaction.
  11. This type of change makes something look different but the chemical formula doesn't change.
Down
  1. This is the proof to support your claim.
  2. __ of mass is the law that says you have the same atoms and amount of atoms(mass) before and after a chemical reaction.
  3. This process absorbs energy and feels colder to the touch.
  4. Mixing calcium chloride and phenol red produced heat and a change in __.
  5. A substance that gets dissolved in a solvent.
  6. After an investigation you come up with your conclusion. This part is your short answer.

17 Clues: This is the proof to support your claim. • This type of change makes something new. • A substance that dissolves other substances. • A substance that gets dissolved in a solvent. • Substances that are mixed during a chemical reaction. • When cooking it is common to have a change in __ (smell). • This process absorbs energy and feels colder to the touch. • ...

chemical reaction 2024-12-03

chemical reaction 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. The amount of a substance that contains 6.02 x 1023 particles of that substance
  3. Loss of Electrons
  4. Chemical Equation: is a chemical equation with the same number of atoms of each element on both sides of the arrow
  5. Mass: Mass in grams of one mole of a substance
  6. A substance that takes part in and undergoes change during a reaction
  7. of reaction: The speed at which reactants are converted in products
  8. 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
  9. Is a substance that is formed as the result of a chemical reaction.
Down
  1. Gain of electrons
  2. reaction: A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  3. reaction: A chemical reaction that releases energy in the form of light or heat
  4. 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.
  5. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  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. reaction: Are those which absorb energy from the surroundings and result in a net decrease in temperature
  8. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  9. 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

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

Chemical Reaction 2013-04-05

Chemical Reaction crossword puzzle
Across
  1. the new substance product
  2. the loss of electrons
  3. any of various typically water-soluble and bitter tasting compounds that in solution have a pH greater than 7, are capable of reacting with an acid to form a salt, and are molecules or ions able to take up a proton from an acid or able to give up an unshared pair of electrons to an acid
  4. it 2 or more substances combine to form another
  5. when one element replaces another element in a compound
  6. is an insoluble compound that comes out of the solution during this type of reaction
  7. is a substance which reacts with a base. Commonly, acids can be identified as tasting sour, reacting with metals such as calcium, and bases like sodium carbonate
  8. the substance that react called
  9. a way to describe reaction using chemical formulas and other symbles
  10. is composed of iron oxides. In colloquial usage, the term is applied to red oxides, formed by the reaction of iron and oxygen in the presence of water or air moisture. Other forms of rust exist, like the result of reactions between iron and chloride in an environment deprived of oxygen
  11. has the same number of atoms of each element on both sides of the equation
Down
  1. this occurs when one substance break down,or decomposes,into 2 or more substances
  2. occurs when a substance reacts with oxygen to produce energy in the form of heat and light
  3. the positive ion of one compound replaces the positive ion of the other form two new compounds
  4. the change in which one or more substance are converted ioto a new sustance
  5. the gain of electrons
  6. are the numbers of untis of each substance taking part of a reaction

17 Clues: the loss of electrons • the gain of electrons • the new substance product • the substance that react called • it 2 or more substances combine to form another • when one element replaces another element in a compound • a way to describe reaction using chemical formulas and other symbles • are the numbers of untis of each substance taking part of a reaction • ...

Chemical Reaction 2024-12-15

Chemical Reaction crossword puzzle
Across
  1. Mixing calcium chloride and phenol red produced heat and a change in __.
  2. Substances that are mixed during a chemical reaction.
  3. A substance that dissolves other substances.
  4. A precipitate, also called a __ can form when 2 liquids are mixed during certain chemical reactions.
  5. Sometimes with gas formation happens in a chemical change you will see these.
  6. This type of change makes something look different but the chemical formula doesn't change.
  7. This process releases energy and feels warmer to the touch.
  8. This type of change makes something new.
  9. Can change states and become ice or steam, these changes are physical changes.
Down
  1. When cooking it is common to have a change in __ (smell).
  2. New substances that are created after a chemical reaction.
  3. This process absorbs energy and feels colder to the touch.
  4. This is the proof to support your claim.
  5. __ of mass is the law that says you have the same atoms and amount of atoms(mass) before and after a chemical reaction.
  6. An exothermic or endothermic reaction describes a change in __.
  7. A substance that gets dissolved in a solvent.
  8. After an investigation you come up with your conclusion. This part is your short answer.

17 Clues: This is the proof to support your claim. • This type of change makes something new. • A substance that dissolves other substances. • A substance that gets dissolved in a solvent. • Substances that are mixed during a chemical reaction. • When cooking it is common to have a change in __ (smell). • New substances that are created after a chemical reaction. • ...

Chemical Reaction 2023-10-20

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

16 Clues: able to cause damage • the relative size of things • the tiny pieces that all matter • 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 rearrange to form new substances • ...

Chemical Reaction 2021-02-04

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

16 Clues: able to cause damage • the relative size of things • 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 rearrange to form new substances • ...

Chapter7 vocabulary Physical Sciece PS211 Elizabeth Murphy3/25/25 2025-03-25

Chapter7 vocabulary Physical Sciece PS211 Elizabeth Murphy3/25/25 crossword puzzle
Across
  1. - Number placed in front of the chemical formula
  2. - A gain of electrons in chemical reaction
  3. - Substances that helps a reaction happen faster
  4. equation - A combination of Chemical Formula
  5. Reaction - A process that rearranges atoms in one or more substances
  6. - Substance formed during a chemical reaction
  7. Model - States for a reaction to occur
  8. - SI fundamental unit forthe quantity of matter
  9. replacement reaction - Chemical reaction in which one element compound is replaced by another element
  10. energy - Energy needed for a chemical reaction to occur
  11. - An exothermic chemical reaction fuel reacts with oxygen
  12. - A substance that enters into a chemical reaction
  13. reaction - Chemical reaction that releases more thermal energy that it aborbs
Down
  1. rate - Speed of Reaction
  2. - A loss of electrons in chemical reaction
  3. reaction - Absorbs more thermal energy than it releases
  4. replacement reaction - Two compounds swap cations or anions
  5. equilibrium - A State that occurs when ward and reverse reactions
  6. reaction - Chemical reaction single reactant breaks down into two or more products
  7. Chatelier's Principle- States that a chemical system will adjust
  8. of conservation of energy - law that states energy can not be created or destroyed
  9. - Slows the rate of a reaction
  10. Mass - The mass of one mole of a substance
  11. reaction - Chemical reaction Two or more reactants combine
  12. reaction - Products can react together to reform original reactants

25 Clues: rate - Speed of Reaction • - Slows the rate of a reaction • Model - States for a reaction to occur • Mass - The mass of one mole of a substance • - A loss of electrons in chemical reaction • - A gain of electrons in chemical reaction • equation - A combination of Chemical Formula • - Substance formed during a chemical reaction • ...

Chemical Reaction 2021-02-04

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

16 Clues: able to cause damage • the relative size of things • 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 rearrange to form new substances • ...

Chemical Reaction 2021-02-04

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

16 Clues: able to cause damage • the relative size of things • 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 rearrange to form new substances • ...

Chemical Reaction 2024-05-06

Chemical Reaction crossword puzzle
Across
  1. Rusting of metal
  2. Any reaction precipitate
  3. Displacement Exchange of ions
  4. Prevent corrosion
  5. Reduction of hydrogen and oxygen in an reaction
  6. Equation Balancing Equations
  7. Prevent Rusting
  8. Color Corroding of silver
  9. Two or more products to form a reactant
Down
  1. Iron in 3rd form
  2. Highly reactive
  3. Neutralizing the reaction
  4. A reactant to form two or more products
  5. color Corroding of copper
  6. Displacing the from low reactive metal to high reactive metal
  7. Used in displacement reaction

16 Clues: Highly reactive • Prevent Rusting • Iron in 3rd form • Rusting of metal • Prevent corrosion • Any reaction precipitate • Neutralizing the reaction • color Corroding of copper • Color Corroding of silver • Equation Balancing Equations • Displacement Exchange of ions • Used in displacement reaction • A reactant to form two or more products • Two or more products to form a reactant • ...

Chemical Reaction 2021-10-22

Chemical Reaction crossword puzzle
Across
  1. the substance stays the same
  2. gas to liquid
  3. a type of chemical change that starts with r
  4. tightly packed molecules
  5. liquid to solid
  6. qualities used to describe an object
Down
  1. A new substance is created
  2. chemical change
  3. a type of physical change that goes with wed
  4. molecules everywhere
  5. solid to liquid
  6. water to gas
  7. to make something different
  8. not very packed molecules
  9. physical change

15 Clues: water to gas • gas to liquid • chemical change • solid to liquid • liquid to solid • physical change • molecules everywhere • tightly packed molecules • not very packed molecules • A new substance is created • to make something different • the substance stays the same • qualities used to describe an object • a type of physical change that goes with wed • ...

Chemical Reaction 2020-04-23

Chemical Reaction crossword puzzle
Across
  1. atoms can't be created or destroyed
  2. burning something
  3. below the element
  4. you can grab it
  5. composed of two or more elements
  6. able to dissolve in water
  7. undergoes change during a reaction
Down
  1. fundamental substance
  2. state of rotting
  3. you can drink it
  4. symbolic representation of a chemical reaction
  5. substance that is formed as the result of a chemical reaction
  6. not a good conductor of electricity
  7. you can't grab it
  8. good conductor of electricity

15 Clues: you can grab it • state of rotting • you can drink it • burning something • below the element • you can't grab it • fundamental substance • able to dissolve in water • good conductor of electricity • composed of two or more elements • undergoes change during a reaction • atoms can't be created or destroyed • not a good conductor of electricity • ...

Chemical Reaction 2023-01-24

Chemical Reaction crossword puzzle
Across
  1. something that is made of the same atoms
  2. something that can be observed about a substance
  3. when a solid turns to a liquid
  4. when a liquid turns to a gas
  5. a structure built by atoms
  6. an object or diagram
  7. a group of atoms
  8. an ending substance
Down
  1. when atoms form a new substance
  2. letters and numbers representing atoms
  3. able to cause damage
  4. a substance put into soil to make it
  5. the relative size of something
  6. the tiny pieces that matter
  7. a substance thats part of a chemical rearrange to change the order

15 Clues: a group of atoms • an ending substance • able to cause damage • an object or diagram • a structure built by atoms • the tiny pieces that matter • when a liquid turns to a gas • when a solid turns to a liquid • the relative size of something • when atoms form a new substance • a substance put into soil to make it • letters and numbers representing atoms • ...

Chemical reaction 2024-05-05

Chemical reaction crossword puzzle
Across
  1. symbol of sodium
  2. release of heat
  3. two chemical substances react by exchanging ions to produce two new molecules.
  4. reaction in which both oxidation and reduction occur.
  5. lead nitrate solution reacts with potassium iodide solution to form
  6. 2 reactants combine to form a single product
Down
  1. burns with a dazzling flame in oxygen
  2. a compound breaks into 2 or more substances
  3. used for whitewashing of walls
  4. zinc granules react with dilute sulphuric acid to form zinc sulphate with the evaluation of
  5. absorption of heat
  6. a more reactive metal displaces a less reactive metal
  7. valency of zinc
  8. balancing equations starts with
  9. symbol of silver

15 Clues: release of heat • valency of zinc • symbol of sodium • symbol of silver • absorption of heat • used for whitewashing of walls • balancing equations starts with • burns with a dazzling flame in oxygen • a compound breaks into 2 or more substances • 2 reactants combine to form a single product • a more reactive metal displaces a less reactive metal • ...

Chemical Reaction 2025-10-28

Chemical Reaction crossword puzzle
Across
  1. A substance that produces hydrogen ions (H+) in water.
  2. Agent that causes reduction by donating electrons.
  3. Reaction in which electrons are transferred between substances.
  4. Gain of electrons in a redox reaction.
  5. Equation that shows all species in their ionic form.
  6. The title of Unit 7
  7. The type of reaction where one element replaces another in a compound.
Down
  1. A reaction in which cations and anions exchange partners.
  2. Number assigned to atoms to track electron transfer.
  3. Type of acid that dissociates completely in water.
  4. A substance that produces hydroxide ions (OH) in water.
  5. Reaction between an acid and a base that produces water and salt.
  6. A reaction that forms an insoluble solid from two aqueous solutions.
  7. Loss of electrons in a redox reaction.
  8. Type of base that only partially ionizes in solution.

15 Clues: The title of Unit 7 • Gain of electrons in a redox reaction. • Loss of electrons in a redox reaction. • Type of acid that dissociates completely in water. • Agent that causes reduction by donating electrons. • Number assigned to atoms to track electron transfer. • Equation that shows all species in their ionic form. • ...

Chapter 7 2025-03-25

Chapter 7 crossword puzzle
Across
  1. - a chemical reaction in which two compounds swap cations or anions with each other; also known as double-displacement reaction.
  2. - a chemical reaction in which two or more reactants combine into a single, more complex product.
  3. - a chemical reaction that releases more thermal energy than it absorbs.
  4. - the model that states for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy.
  5. - a process that rearranges the atoms in one or more substances into one or more new substances.
  6. - a mass of one mole of a substance.
  7. - the minimum energy needed for a chemical reaction to occur.
  8. - an exothermic chemical reaction in which a fuel reacts with oxygen.
  9. - a number is 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.
  10. - a chemical reaction in which one element in a compound is replaced by another element; also known as single-displacement reaction.
  11. - a substance that enters into a chemical reaction.
  12. - a chemical reaction in which a single reactant breaks down into two or more products.
  13. - the law that states that energy can not be created or destroyed but can be transformed between objects.
Down
  1. - a substance that helps a reaction happen faster but is not used up in the reaction.
  2. - a gain of electrons in a chemical reaction.
  3. - a combination of chemical formulas and symbols that models a chemical reaction
  4. - a substance that is formed during a chemical reaction.
  5. - a chemical reaction that absorbs more thermal energy than it releases
  6. - the state that occurs when forward and reverse reactions each happen at the same rate.
  7. - the speed of a reaction.
  8. - a reaction in which the products can react together to reform the original reactants.
  9. - a substance that slows the reaction rate by reducing the effectiveness of catalysts.
  10. - SI fundamental unit of for the quantity of mater in a substance; a count equal to 6.022 x 10^23
  11. -the principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effects of any changes made to the system.
  12. - a loss of electrons in a chemical reaction.

25 Clues: - the speed of a reaction. • - a 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. • - the minimum energy needed for a chemical reaction to occur. • ...

Chapter 7 PS Vocabulary 2025-02-27

Chapter 7 PS Vocabulary crossword puzzle
Across
  1. - a mass of one mole of a substance.
  2. - a process that rearranges the atoms in one or more substances into one or more new substances.
  3. - a chemical reaction in which one element in a compound is replaced by another element; also known as single-displacement reaction.
  4. - the model that states for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy.
  5. reaction - a chemical reaction in which two compounds swap cations or anions with each other; also known as double-displacement reaction.
  6. - SI fundamental unit of for the quantity of mater in a substance; a count equal to 6.022 x 10^23
  7. - a chemical reaction in which two or more reactants combine into a single, more complex product.
  8. - a chemical reaction that releases more thermal energy than it absorbs.
  9. - a gain of electrons in a chemical reaction.
  10. - a combination of chemical formulas and symbols that models a chemical reaction
  11. - a substance that helps a reaction happen faster but is not used up in the reaction.
  12. - a number is 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.
  13. Chatelier’s-principle -the principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effects of any changes made to the system.
  14. - a substance that slows the reaction rate by reducing the effectiveness of catalysts.
Down
  1. - the law that states that energy can not be created or destroyed but can be transformed between objects.
  2. - a loss of electrons in a chemical reaction.
  3. - the speed of a reaction.
  4. - a reaction in which the products can react together to re-form the original reactants.
  5. - the state that occurs when forward and reverse reactions each happen at the same rate.
  6. - a chemical reaction in which a single reactant breaks down into two or more products.
  7. - a chemical reaction that absorbs more thermal energy than it releases
  8. - an exothermic chemical reaction in which a fuel reacts with oxygen.
  9. - a substance that is formed during a chemical reaction.
  10. - a substance that enters into a chemical reaction.
  11. - the minimum energy needed for a chemical reaction to occur.

25 Clues: - the speed of a reaction. • - a 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. • - the minimum energy needed for a chemical reaction to occur. • ...

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. a chemical reaction in which one element in a compound is replaced by another element
  2. a law that states that energy cannot be created or destroyed but only transferred between objects or transformed
  3. equation a combination of chemical formulas and symbols that models a chemical reaction
  4. a loss of electrons in a chemical reaction
  5. the mass of one molar of a substance
  6. A substance that helps a reaction happen faster but is not used up in the reaction
  7. a chemical reaction in which two compounds swap cations or anions with each other
  8. a gain of electrons in a chemical reaction
  9. a chemical reaction that releases more thermal energy that it absorbs
  10. the minimum energy needed for a chemical reaction to occur
  11. a chemical reaction that absorbs more thermal energy that it releases
Down
  1. a chemical reaction in which two or more reactants combine into a single, more complex product
  2. a model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  3. A number placed in front of a chemical formula within a chemical equation that shows how many units of reactant or product is needed to balance the chemical equation
  4. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  5. a chemical in which a single reactant breaks down into two or more products
  6. a substance that is formed during a chemical reaction
  7. a substance that enters into a chemical reaction
  8. a state that occurs when forward and reverse reactions each happen at the same rate
  9. a process that rearranges the atoms in one or more substances into one or two new substances
  10. an exothermic chemical reaction in which a fuel reacts with oxygen
  11. a reaction in which the products can react together to re-form the original reactants.
  12. a substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  13. SI fundamental unit for the quantity of of matter in a substance

24 Clues: the mass of one molar 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 • the minimum energy needed for a chemical reaction to occur • SI fundamental unit for the quantity of of matter in a substance • ...

Chapter 7 CrossWord Puzzle 2025-03-25

Chapter 7 CrossWord Puzzle crossword puzzle
Across
  1. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effector of changes made into the system.
  2. The minimum energy needed for a chemical reaction to occur.
  3. A chemical reaction that releases more thermal energy than it absorbs.
  4. A substance that slows the rate of a reactions by reducing the effectiveness of catalysts.
  5. An exothermic chemical reaction in which a fuel reacts with oxygen.
  6. A reaction in which the product can react together to re-form the original reactant.
  7. A substance that helps a reaction happen faster but is not used up in the reaction.
  8. A substance that is formed during a chemical reaction.
  9. A substance that enters into a chemical reaction.
  10. The model states that for a reaction to occur, the reactant particles must collide with each other with the proper alignment and with enough energy.
  11. A chemical reaction that absorbs more thermal energy than it releases.
  12. The law states that every effect has a specific, identifiable cause, and for every cause, there is a definite and predictable effect.
  13. A process that rearranges the atoms in one or more substances into one or more new substances.
Down
  1. The speed of a reaction.
  2. A chemical reaction in which one element in a compound is replaced by another element.
  3. A number placed in front of a chemical formula within a chemical equation shows how many units of a reactant or product are needed to balance the chemical equation.
  4. A chemical reaction in which a single reactant breaks down into two or one product.
  5. A combination of chemical formulas and symbols that models a chemical reaction.
  6. The mass of one mole of a substance.
  7. A chemical reaction in which two compounds swap cations or anions with each other.
  8. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 10 to the power of 23.
  9. A chemical reaction in which two or more reactants combine into a single, more complex product.
  10. A gain of electrons in a chemical reaction.
  11. A loss of electrons in a chemical reaction.

24 Clues: The speed of a reaction. • 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. • The minimum energy needed for a chemical reaction to occur. • ...

Chapter 7 Vocabulary Jewel Massie PS211-B 3/25/25 2025-03-25

Chapter 7 Vocabulary Jewel Massie PS211-B 3/25/25 crossword puzzle
Across
  1. the principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effort of any changes made to the system
  2. a chemical reaction in which two or more reactants combine into a single, more complex product
  3. the model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  4. a substance that enters into a chemical reaction
  5. a reaction in which the products can react together to reform the original reactants
  6. a substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  7. a substance that helps a reaction happen faster but is not used up in a reaction
  8. a gain of electrons in a chemical reaction
  9. A number placed in front of a chemical formula within a chemical equation that shows how many units of reactant or product is needed to balance the chemical equation
  10. the principle that states that every effect has a specific, identifiable cause,and for every cause there is a definite and predictable effect
  11. a loss of electrons in a chemical reaction
  12. a chemical in which a single reactant breaks down into two or more products
  13. a chemical reaction that absorbs more thermal energy than it releases
  14. an exothermic chemical reaction in which a fuel reacts with oxygen
Down
  1. a process that rearranges the atoms in one or more substancesinto one or two new substances
  2. the mass of one molar of a substance
  3. the state that occurs when forward and reverse reactions each happen at the same rate
  4. a chemical reaction in which two compounds swap cations or anions with each other
  5. the minimum energy needed for a chemical reaction to occur
  6. a combination of chemical formulas and symbols that models a chemical reaction
  7. SI fundamental unit for the quantity of of matter in a substance
  8. a chemical reaction in which one element in a compound is replaced by another element
  9. a substance that is formed during a chemical reaction
  10. a chemical reaction that releases more thermal energy than it absorbs

24 Clues: the mass of one molar 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 • the minimum energy needed for a chemical reaction to occur • SI fundamental unit for the quantity of of matter in a substance • ...

Chemical reaction 2023-01-24

Chemical reaction crossword puzzle
Across
  1. chemicalreaction
  2. copy
  3. plants
  4. measurement
  5. combination
  6. chemical element
  7. effects
  8. grouping
Down
  1. feedback
  2. atoms
  3. atomic
  4. repetitive
  5. fire
  6. swiched
  7. temerautre

15 Clues: copy • fire • atoms • atomic • plants • swiched • effects • feedback • grouping • repetitive • temerautre • measurement • combination • chemicalreaction • chemical element

Vocabulary Chapter 7 2024-01-10

Vocabulary Chapter 7 crossword puzzle
Across
  1. Si fundamental unit for the quality of mater in a substance count equl to 6.022/ 10
  2. A substance that enters into a chemical reaction.
  3. reaction- A chemical reaction in which a single reactant breaks down into two or more products.
  4. Chatelier principle- The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effort of any changes made to the system.
  5. Equilibrium- The state that occurs when for wards and reverse reaction each happen at the same rate.
  6. reaction- A chemical reaction that releases more thermal energy than it absorbs.
  7. model- The model that states that for a reaction to occur, the reactant particles must collide with other with the proper alignment and with enough energy.
  8. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts.
  9. of conversational of energy- The law that states that every effect has a specific identifiable cause, and for every cause there is a definite and predictable effect.
  10. energy- The minimum energy needed for chemical reaction to occur.
Down
  1. A substance that is formed during a chemical reaction.
  2. mass- The mass of one of a substance
  3. reaction- A chemical reaction in which two or more reactants combiDecompositiongle, more complex product.
  4. A gain of electrons in a chemical reaction.
  5. reaction- A process that rearranges the atoms in one or more substances into one or more new substances.
  6. A loss of electrons in a chemical reaction.
  7. replacement reaction- A chemical reaction in which one element in a compound is replaced by another element also known as a single displacement reaction.
  8. An exothermic chemical reaction in which a fuel reacts with oxygen.
  9. Rate- The speed of a reaction.
  10. reaction- A Reaction in which the products can react together to re-fomr the original reactants.
  11. equation- A combination of chemical formulas and symbols that models a chemical reaction.
  12. Reaction- A chemical reaction that absorbs more thermal energy than it releases.
  13. replacement reaction- A chemical reaction in which two compounds swap captions and anions with each other, also known as a double- replacement reaction.
  14. A substance that helps a reaction happen faster but is not used up in the reaction..
  15. A number placed in front of a chemical formula within a chemical equalation that shows how many units of a reactant or product are needed to balance the chemical equation.

25 Clues: Rate- The speed of a reaction. • mass- The mass of one 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. • energy- The minimum energy needed for chemical reaction to occur. • ...

Crossword Puzzle for Chapter 7 2024-01-10

Crossword Puzzle for Chapter 7 crossword puzzle
Across
  1. A combination of chemical formulas and symbols that models a chemical equation
  2. reaction: A chemical reaction that absorbs more thermal energy than it releases
  3. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  4. model: The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment and with enough energy
  5. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022x10²³
  6. reaction: A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction
  7. energy: The minimum energy needed for a chemical reaction to occur
  8. reaction: A chemical reaction that releases more thermal energy than it absorbs
  9. rate: The speed of a reaction
  10. : A propcess that rearranges the atoms in one or more substances into one or more new substances
  11. reaction: A chemical reaction in which two or more reactants combine into a single, more complex product.
Down
  1. A gain of electrons in a chemical reaction.
  2. A number placed in front of a chemical formula within a chemical equation that shows how many units of a reactent or product are needed to balance the chemical equation
  3. An exothermic chemical reaction in which a fuel reacts with oxygen.
  4. reaction: A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction
  5. of conservation of energy: The law that states that energy cannot be created or destroyed but only transferred between objects or transformed; also known as the first law of thermodynamics
  6. A substance that enters into a chemical reaction
  7. reaction: A chemical reaction in which a single reactant breaks down into two or more products
  8. Chatelier's principle: The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  9. A substance that helps a reaction happen faster but is not used up in the reaction
  10. reaction: A reaction in which the products can react together to re-form the original reactants
  11. A substance that is formed during a chemical reaction.
  12. equilibrium: Rhe state that occurs when forward and reverse reactions each happen at the same rate
  13. A loss of electrons in a chemical reaction
  14. mass: The mass of one mole of a substance

25 Clues: rate: The speed of a reaction • 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. • energy: The minimum energy needed for a chemical reaction to occur • ...

Enzymes 2022-01-03

Enzymes crossword puzzle
Across
  1. A type of chemical reaction that releases energy
  2. Describes when a protein's shape changes
  3. The breaking and forming of bonds between different substances during chemical changes
  4. Key biochemical reaction that is exothermic
  5. Key biochemical reaction that is endothermic
  6. Amount of needed to set off a chemical reaction
  7. A type of reaction that breaks down larger molecules into simpler compounds
Down
  1. What will react in a chemical reaction
  2. A type of chemical reaction that absorbs heat in the products
  3. larger molecules from smaller ones
  4. A type of chemical reaction that releases heat in the products
  5. A type of chemical reaction that
  6. Location on enzyme where it binds to the substrate
  7. a type of chemical reaction that consumes energy
  8. All of the chemical reactions within each cell of an organism
  9. Speed up chemical reactions
  10. The tightening of the enzyme around the substrate at the active site
  11. Speed up chemical reactions by lowering the activation energy
  12. Substances that are made by a chemical reaction

19 Clues: Speed up chemical reactions • A type of chemical reaction that • larger molecules from smaller ones • What will react in a chemical reaction • Describes when a protein's shape changes • Key biochemical reaction that is exothermic • Key biochemical reaction that is endothermic • Substances that are made by a chemical reaction • ...

c,..Chemical Reaction Vocabulary 2022-02-03

c,..Chemical Reaction Vocabulary crossword puzzle
Across
  1. small amount of energy that is needed to start a reaction
  2. substance formed from a reaction
  3. energy released in a chemical reaction
  4. a solid that is produced from a chemical reaction in a solution
  5. mass cannot be created or destroyed
  6. Zn+2HCl->ZnCl2+H2
  7. amount that can speed up the rate of reaction
  8. 2Na+Cl2->2NaCl
  9. separates formulas of the reactants from the products
  10. speeds up a chemical reaction
  11. the amount of atoms in a chemical symbol
  12. chemical symbols and numbers that represent a substance
  13. a number that is placed in the front of a chemical symbol or a formula
Down
  1. H2CO3->H2O+CO2
  2. slows down a chemical reaction
  3. uses chemical symbols and formulas to describe a chemical reaction
  4. energy cannot be created or destroyed
  5. the starting materials in a chemical reaction
  6. gas that forms from a chemical reaction
  7. energy absorbed in a chemical reaction
  8. NaCl+AgF->NaF+AgCl
  9. a substance or material's color gets changed
  10. separates two or more compounds in the reactants and products
  11. one or more substances change to make one or more new substances

24 Clues: H2CO3->H2O+CO2 • 2Na+Cl2->2NaCl • Zn+2HCl->ZnCl2+H2 • NaCl+AgF->NaF+AgCl • speeds up a chemical reaction • slows down a chemical reaction • substance formed from a reaction • mass cannot be created or destroyed • energy cannot be created or destroyed • energy released in a chemical reaction • energy absorbed in a chemical reaction • gas that forms from a chemical reaction • ...

Vocab 2024-03-14

Vocab crossword puzzle
Across
  1. of mass
  2. equation a description of a reaction using element symbols and chemical formulas
  3. a catalyst that speeds up chemical reactions in living cells
  4. reaction a chemical reaction that absorbs thermal energy
  5. a chemical reaction in which a substance combines with oxygen and releases energy
  6. after the chemical reaction
  7. a substance that slows, or even stops, a chemical reaction
  8. that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the
Down
  1. energy the minimum amount of energy needed to start a chemical reaction
  2. reaction a process in which atoms of one or more substances rearrange to form one or more new substances
  3. a substance that increases reaction rate by lowering the activation energy of a reaction
  4. a type of chemical reaction in which one element replaces another element in a compound
  5. a number placed in front of an element symbol or chemical formula in an equation
  6. a starting substance in a chemical reaction
  7. a type of chemical reaction in which two or more substances combine and form one compound
  8. a type of chemical reaction in which one compound breaks down and forms two or more substances
  9. a substance produced by a chemical reaction
  10. a type of chemical reaction in which the negative ions in two compounds switch places, forming two new
  11. reaction a chemical reaction that releases thermal energy

19 Clues: of mass • after the chemical reaction • a starting substance in a chemical reaction • a substance produced by a chemical reaction • reaction a chemical reaction that absorbs thermal energy • reaction a chemical reaction that releases thermal energy • a substance that slows, or even stops, a chemical reaction • ...

Science 2022-02-03

Science crossword puzzle
Across
  1. the final product of a chemical reaction
  2. causes a reaction to start
  3. on the left side of the chemical equation H20 + K --> 2HOK is an example of what kind of equation?
  4. CO + 2H --> COH2
  5. The number 2 in 2Bi is an example of what?
  6. can sometimes be left over or a by product of a chemical recation
  7. energy must stay consistent between the reactant and products side of an equation
  8. mass must be conserved in a chemical reaction
  9. The number 8 in H80 is an example of what?
Down
  1. H3 + Bi3 ---> 3HBi
  2. H and C join together and form HC
  3. a match being struck
  4. delays and/or slows down a reaction taking place
  5. this is needed for a reaction to start, but it isnt a catalyst
  6. H20 and C reacting
  7. yields a reaction
  8. seperates the chemical symbols in a chemical equation
  9. a cookie being baked
  10. is needed for a chemical reaction to take place
  11. can be a by product of a chemical reaction, the more common of the two types

20 Clues: CO + 2H --> COH2 • yields a reaction • H3 + Bi3 ---> 3HBi • H20 and C reacting • a match being struck • a cookie being baked • causes a reaction to start • H and C join together and form HC • the final product of a chemical reaction • The number 2 in 2Bi is an example of what? • The number 8 in H80 is an example of what? • mass must be conserved in a chemical reaction • ...

Chemical Reactions 2023-12-01

Chemical Reactions crossword puzzle
Across
  1. A rapid chemical reaction between a substance and oxygen, usually accompanied by the release of heat and light.
  2. a chemical process in which a substance loses electrons.
  3. A substance formed by the chemical combination of two or more elements in fixed proportions.
  4. Substance that participate in a chemical reaction, undergoing change
  5. A biological catalyst, usually a protein, that speeds up chemical reactions in living organisms.
  6. Substance that are formed as a result of a chemical reaction.
  7. A type of chemical reaction involving both oxidation (loss of electrons) and reduction (gain of electrons) processes.
  8. solid formed in a chemical reaction
  9. A substance that increases the rate of a chemical reaction without undergoing any permanent change itself.
  10. process that leads to the chemical transformation of one set of chemical substances to another
  11. The smallest unit of a compound that retains the chemical properties of that compound, consisting of two or more atoms bonded together.
Down
  1. The minimum amount of energy required to initiate a chemical reaction.
  2. a lasting attraction between atoms or ions that enables the formation of molecules, crystals, and other structures
  3. A chemical reaction in which a compound breaks down into simpler substances.
  4. a reaction that absorbs energy from its surroundings, increasing the potential energy in the chemicals
  5. a chemical reaction that releases energy by light or heat.
  6. A chemical reaction in which two or more substances combine to form a more complex product.
  7. The speed at which a chemical reaction takes place, typically measured by the change in concentration of reactants or products per unit time.
  8. A symbolic representation of a chemical reaction, showing the reactants and products with their respective coefficients.
  9. chemical process in which a substance gains electrons.

20 Clues: solid formed in a chemical reaction • chemical process in which a substance gains electrons. • a chemical process in which a substance loses electrons. • a chemical reaction that releases energy by light or heat. • Substance that are formed as a result of a chemical reaction. • Substance that participate in a chemical reaction, undergoing change • ...

Vocab 7.1 2021-01-15

Vocab 7.1 crossword puzzle
Across
  1. the mass of one mole of a substance
  2. an amount of a substance that contains approximately 6.02 x 10^23 particles of the substance
  3. a chemical reaction in which the coversion of reactants into products and the conversion of products into reactants happens
  4. a substance that undergoes change in a chemical reaction
  5. In order to show that mass is conserved during a reaction a chemical equation must be balanced
  6. a chemical reaction that absorbs energy from its surroundings
Down
  1. a chemical reaction in which electrons are transferred from one reaction to another
  2. a chemical reaction that releases energy to its surroundings
  3. a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  4. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  5. the rate at which reactants change into products overtime
  6. a chemical reaction in which two or more substances react to form a single substance
  7. a state in which the forward and reverse paths of a physical or chemical change take place at the same rate
  8. a chemical reaction in which two compounds exchange positive ions and form two new compounds
  9. a chemical reaction in which one element takes the place of another element in a compound
  10. the energy stored in chemical bonds
  11. a chemical reaction in which a compound breaks down into two or more simpler substances
  12. a substance that affects the rate of a chemical reaction with out being used up in the reaction
  13. new substances formed as a result of a chemical reaction

19 Clues: the mass of one mole of a substance • the energy stored in chemical bonds • a substance that undergoes change in a chemical reaction • new substances formed as a result of a chemical reaction • the rate at which reactants change into products overtime • a chemical reaction that releases energy to its surroundings • ...

science 2024-03-21

science crossword puzzle
Across
  1. reaction a chemical reaction that releases thermal energy
  2. a substance produced by a chemical reaction
  3. a type of chemical reaction in which two or more substances combine and form one compound
  4. a chemical reaction in which a substance combines with oxygen and releases energy
  5. a number placed in front of an element symbol or chemical formula in an equation
  6. a substance that increases reaction rate by lowering the activation energy of a reaction
  7. a substance that slows, or even stops, a chemical reaction
  8. a starting substance in a chemical reaction
  9. of mass law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the
  10. a process in which atoms of one or more substances rearrange to form one or more new substances
  11. a catalyst that speeds up chemical reactions in living cells
Down
  1. a type of chemical reaction in which one element replaces another element in a compound
  2. after the chemical reaction
  3. a type of chemical reaction in which one compound breaks down and forms two or more substances
  4. a type of chemical reaction in which the negative ions in two compounds switch places, forming two new
  5. a description of a reaction using element symbols and chemical formulas
  6. energy the minimum amount of energy needed to start a chemical reaction
  7. reaction a chemical reaction that absorbs thermal energy

18 Clues: after the chemical reaction • a substance produced by a chemical reaction • a starting substance in a chemical reaction • reaction a chemical reaction that absorbs thermal energy • reaction a chemical reaction that releases thermal energy • a substance that slows, or even stops, a chemical reaction • a catalyst that speeds up chemical reactions in living cells • ...

Physical Science - Chapter 7 - Taniyah Elder - PS211 A - 03/25/25 2025-03-25

Physical Science - Chapter 7 - Taniyah Elder - PS211 A - 03/25/25 crossword puzzle
Across
  1. A chemical reaction that releases more thermal energy than it absorbs
  2. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  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. SI fundamental unit for the quantity of matter in a substance
  6. 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
  7. A combination of chemical formulas and symbols that models a chemical reaction
  8. The minimum energy needed for a chemical reaction to occur
  9. A substance that enters into a chemical reaction
  10. The speed of a reaction
  11. An exothermic chemical reaction in which a fuel reacts with oxygen
  12. A reaction in which the products can react together to re-form the origional reactants
  13. A chemical reaction that absorbs more thermal energy than it releases
Down
  1. A loss of electrons in a chemical reaction
  2. A chemical reaction in which one eleent in a compound in replaced by another element also known as a single-displacement reaction
  3. The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  4. A chemical reaction in which a single reactant breaks down into two or more products
  5. A chemical reaction in which two or more reactants combine into a single, more complex product
  6. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  7. A substance that helps a reaction happen faster but is not used up in the reaction
  8. A gain of electrons in a chemical reaction
  9. The law that states that energu cannot be created or destroyed but only transferred between objects or transformed also known as the first law of thermidynamics
  10. The mass of one mole of a substance

23 Clues: The speed of a reaction • 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 • The minimum energy needed for a chemical reaction to occur • ...

Chapter 7 Vocab By Kanye Johnson 3/25/25 PS211-B 2025-03-25

Chapter 7 Vocab By Kanye Johnson 3/25/25 PS211-B crossword puzzle
Across
  1. A chemical reaction in which a single reactant breaks down into two or more products
  2. SI fundamental unit for the quantity of matter in a substance
  3. A gain of electrons in a chemical reaction
  4. The principle that states that a chemical system in equilibrium will adjust its position is such a way as to reduce the effect of any changes made to the system
  5. A process that rearranges the atoms in one or more substance into one or more new substances
  6. A substance that helps a reaction happen faster but is not used up in the reaction
  7. The model that states that for a action to occur
  8. The speed of a reaction
  9. A reaction I which the products can react together to re-form the original reactants
  10. A substance that is formed during a chemical reaction
  11. An exothermic chemical reaction in which a fuel reacts with oxygen
  12. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts
Down
  1. A chemical reaction in which one element in a compound is replaced by another element
  2. A chemical reaction that absorbs more thermal energy that it releases
  3. A loss of electrons in a chemical reaction
  4. The minium energy needed for a chemical reaction to occur
  5. A chemical reaction in which two or more reactants combine into a single, more complex product
  6. A chemical reaction that releases more thermal energy than it absorbs
  7. The law that states that energy cannot be created or destroyed but only transferred between objects or trandformed
  8. A combination of chemical formulas and symbols that models a chemical reaction
  9. 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
  10. The state that occurs when forward and reverse reactions each happen at the same rate
  11. A chemical reaction in which two compounds swap cations or anions with each other
  12. The mass of one mole of a substance
  13. A substance that enters into a chemical reaction

25 Clues: The speed of a reaction • The mass of one mole of a substance • A loss of electrons in a chemical reaction • A gain of electrons in a chemical reaction • The model that states that for a action to occur • A substance that enters into a chemical reaction • A substance that is formed during a chemical reaction • The minium energy needed for a chemical reaction to occur • ...

Crossword Vocab 2024-01-10

Crossword Vocab crossword puzzle
Across
  1. the speed of a reaction
  2. a chemical reaction in which two or more reactants combine into a single, more complex product
  3. a process that rearranges the atoms in one or more substances into one or more new substances
  4. a substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  5. a substance that is formed during a chemical reaction
  6. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 10(23)
  7. the model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  8. a reaction in which the products can react together to re-form the original reactants
  9. a chemical reaction that absorbs more thermal energy than it releases
  10. a loss of electrons in a chemical reaction
  11. a chemical reaction that releases more thermal energy than it absorbs
  12. a combination of chemical formulas and symbols that models a chemical reaction
  13. a chemical reaction in which a single reactant breaks down into two or more products
Down
  1. a chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction
  2. a substance that helps a reaction happen faster but is not used up in the reaction
  3. the principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  4. the law that states that matter can neither be created nor destroyed, but can only change form
  5. the mass of one mole of a substance
  6. a substance that enters into a chemical reaction
  7. a chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction
  8. a number placed in front of a chemical formula within chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation
  9. the minimum energy needed for a chemical reaction to occur
  10. a gain of electrons in a chemical reaction
  11. the state that occurs when forward and reverse reactions each happen at the same rate
  12. an exothermic chemical reaction in which a fuel reacts with oxygen

25 Clues: the speed of a reaction • 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 • the minimum energy needed for a chemical reaction to occur • ...

Chemical Reactions & Equations 2024-03-21

Chemical Reactions & Equations crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the
  3. a chemical reaction in which a substance combines with oxygen and releases energy
  4. a type of chemical reaction in which one compound breaks down and forms two or more substances
  5. a description of a reaction using element symbols and chemical formulas
  6. a type of chemical reaction in which one element replaces another element in a compound
  7. a type of chemical reaction in which the negative ions in two compounds switch places, forming two new
  8. a type of chemical reaction in which two or more substances combine and form one compound
  9. a substance that increases reaction rate by lowering the activation energy of a reaction
  10. a chemical reaction that releases thermal energy
  11. a substance that slows, or even stops, a chemical reaction
Down
  1. a catalyst that speeds up chemical reactions in living cells
  2. a process in which atoms of one or more substances rearrange to form one or more new substances
  3. the minimum amount of energy needed to start a chemical reaction
  4. a substance produced by a chemical reaction
  5. after the chemical reaction
  6. a chemical reaction that absorbs thermal energy
  7. a starting substance in a chemical reaction

18 Clues: after the chemical reaction • a substance produced by a chemical reaction • a starting substance in a chemical reaction • a chemical reaction that absorbs thermal energy • a chemical reaction that releases thermal energy • a substance that slows, or even stops, a chemical reaction • a catalyst that speeds up chemical reactions in living cells • ...

Science Chapter 5 Vocabulary 2020-02-17

Science Chapter 5 Vocabulary crossword puzzle
Across
  1. the substances that undergo chemical changes
  2. alters the appearance of something, but doesn't change it to another substance
  3. when compounds come together
  4. the energy absorbed during a chemical reaction
  5. increases reaction rate by getting rid of activation energy
  6. amount of substance in a given volume
  7. when compounds break up and switch places
  8. matter can enter or escape
  9. when compounds break down
  10. the amount of energy needed to start a chemical reaction
Down
  1. the new substance from the chemical change
  2. a way to show a chemical reaction using symbols
  3. a solid that forms during a chemical reaction
  4. a law stating matter is not created or destroyed during a chemical reaction
  5. a number in front of a chemical formula
  6. creates a new substance
  7. the energy released during a chemical reaction
  8. decreases the rate of a chemical reaction
  9. help reactions occur at body temperature
  10. matter can't enter or leave

20 Clues: creates a new substance • when compounds break down • matter can enter or escape • matter can't enter or leave • when compounds come together • amount of substance in a given volume • a number in front of a chemical formula • help reactions occur at body temperature • decreases the rate of a chemical reaction • when compounds break up and switch places • ...

Montserrat Bazan 2017-02-27

Montserrat Bazan crossword puzzle
Across
  1. chemical compound containing two different elements.
  2. unexpectedly acting
  3. chemical reaction that switches one element from a compound
  4. the number in front of an element or compound.
  5. to oxidize
  6. related to dissolving in water
  7. join together the reactant in a chemical equation.
  8. charged molecular ion that acts as one.
  9. the reducing by gaining electrons.
Down
  1. chemical reaction that switches two elements from a compound
  2. to breakdown the reactant in a chemical equation.
  3. two atoms
  4. substance the speeds up the chemical reaction, but is not used up in the reaction.
  5. the after of an equation. The result of an equation after a chemical reaction.
  6. chemical decomposition by using electric current.
  7. equation used to illustrate the product and reactant of a chemical reaction.
  8. quantity of a product obtained in a chemical reaction.
  9. chemical reaction that is produced by an oxidizing agent.
  10. the before of an equation that undergoes change during a reaction.

19 Clues: two atoms • to oxidize • unexpectedly acting • related to dissolving in water • the reducing by gaining electrons. • charged molecular ion that acts as one. • the number in front of an element or compound. • to breakdown the reactant in a chemical equation. • chemical decomposition by using electric current. • join together the reactant in a chemical equation. • ...

Chapter Vocab 2024-03-12

Chapter Vocab crossword puzzle
Across
  1. a description of a reaction using element symbols and chemical formulas
  2. a number placed in front of an element symbol or chemical formula in an equation
  3. a type of chemical reaction in which one element replaces another element in a compound
  4. a chemical reaction that absorbs thermal energy
  5. a catalyst that speeds up chemical reactions in living cells
  6. after the chemical reaction
  7. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the
  8. a type of chemical reaction in which two or more substances combine and form one compound
  9. the minimum amount of energy needed to start a chemical reaction
Down
  1. a type of chemical reaction in which the negative ions in two compounds switch places, forming two new compounds
  2. a starting substance in a chemical reaction
  3. a process in which atoms of one or more substances rearrange to form one or more new substances
  4. a substance that increases reaction rate by lowering the activation energy of a reaction
  5. a chemical reaction that releases thermal energy
  6. a substance that slows, or even stops, a chemical reaction
  7. a chemical reaction in which a substance combines with oxygen and releases energy
  8. a type of chemical reaction in which one compound breaks down and forms two or more substances
  9. a substance produced by a chemical reaction

18 Clues: after the chemical reaction • a starting substance in a chemical reaction • a substance produced by a chemical reaction • a chemical reaction that absorbs thermal energy • a chemical reaction that releases thermal energy • a substance that slows, or even stops, a chemical reaction • a catalyst that speeds up chemical reactions in living cells • ...

Chemical reaction 2025-05-16

Chemical reaction crossword puzzle
Across
  1. The burning of any substance in O2 to produce heat
  2. Produces a Salt(Ionic Compound) and Water
  3. This type of reaction can proceed in either direction and is written with a double arrow
  4. A compound breaks down into 2 or more simpler substances
  5. Compounds, substances, heat, cold or motion to assist the reaction with starting, accelerating or completing, located above yield sign
  6. Shorthand notation to illustrate what is happening in a reaction
Down
  1. The chemical reaction are represented by a sentence called a Chemical
  2. Whole number representing how many atoms of an element Combustion
  3. Iions in two compounds “change partners”
  4. The combination of 2 or more substances to form a compound
  5. The directions in which the reaction will proceed
  6. Are the compounds/elements your start with before the reaction starts
  7. Are the compounds/elements you end with after the reaction has completed
  8. Whole number representing how many mole/molecules are present in the reaction, used to balance an equation
  9. One element replaces another in a compound

15 Clues: Iions in two compounds “change partners” • Produces a Salt(Ionic Compound) and Water • One element replaces another in a compound • The directions in which the reaction will proceed • The burning of any substance in O2 to produce heat • A compound breaks down into 2 or more simpler substances • The combination of 2 or more substances to form a compound • ...

Combustion and chemical reactions 2024-02-14

Combustion and chemical reactions crossword puzzle
Across
  1. A gas produced during combustion, consisting of carbon and oxygen.
  2. A substance that speeds up a chemical reaction without being consumed itself.
  3. A chemical reaction where a substance gains electrons.
  4. The process of initiating combustion.
  5. A chemical equation where the number of atoms of each element is the same on both sides.
  6. A substance that undergoes change in a chemical reaction.
  7. A process that rearranges the molecular structure of substances to form new substances.
  8. The process of burning something.
  9. A chemical reaction that absorbs heat energy.
  10. A substance that is formed as a result of a chemical reaction.
  11. A chemical element essential for combustion to occur.
Down
  1. The visible, gaseous part of a fire.
  2. A chemical reaction where a substance loses electrons, usually to oxygen.
  3. A compound consisting of hydrogen and carbon atoms, often used as fuel.
  4. A material that can be burned to release energy.
  5. A chemical reaction where iron reacts with oxygen and water to form rust (iron oxide).
  6. A symbolic representation of a chemical reaction.
  7. Energy associated with the motion of particles in a substance.
  8. The minimum energy required to start a chemical reaction.
  9. A chemical reaction that releases heat energy.

20 Clues: The process of burning something. • The visible, gaseous part of a fire. • The process of initiating combustion. • A chemical reaction that absorbs heat energy. • A chemical reaction that releases heat energy. • A material that can be burned to release energy. • A symbolic representation of a chemical reaction. • A chemical element essential for combustion to occur. • ...

Chapter 7 vocab 2025-03-25

Chapter 7 vocab crossword puzzle
Across
  1. The model that states that for a reaction to occur the reactabt particles must collide with each other.
  2. Aloss of electrons in a chemical reaction
  3. A chemical reaction that realeses more thermal energy than absorbed
  4. A process that rearranges the atoms in one or more substances into one or a new substance
  5. A combination of chemical formulas and symbols that model a chemical reation.
  6. The mass of one mole of a substance
  7. A chemical reaction in which two or more reactants combine into a single
  8. A substance that is formed during a chemical reaction.
  9. The law that states that energy cannot be created or destroyed but only transferred between objects.
  10. A substance that helps a reaction happen faster but is not used up in the reaction
  11. An exothermic chemical reaction in which fuel reacts with oxygen
  12. A chemical reaction inwhich two compounds swap cations or anions with each other
  13. The state that occurs when forward and reverse reactions each happen at the same rayte
  14. A gain of electrons in a chemical reation
Down
  1. The principle that states a chemical system in the equilibrium will adjusts its position in such a way as to reduce the effect of any changes made to the system.
  2. not in glossary
  3. A chemical reaction in which one element in a compound is replaced by another element.
  4. A reaction in whichthe products can react together to reform the original reactants
  5. A chemical reaction I which a single reactant breaks down into two or more products
  6. SI fundamental unit for the quantity of matter in a substance.
  7. The minium energy needed for a chemical reaction
  8. A substance that enters into a chemical reaction.
  9. A number placed in front of a chemical formula within a chemical equation that shows how many units or product are needed to balance
  10. A substance that that slows the rate of a reaction by inducing the catalysts
  11. The speed of reaction

25 Clues: not in glossary • The speed of reaction • The mass of one mole of a substance • Aloss of electrons in a chemical reaction • A gain of electrons in a chemical reation • The minium energy needed for a chemical reaction • A substance that enters into a chemical reaction. • A substance that is formed during a chemical reaction. • ...

chemistry 2025-05-14

chemistry crossword puzzle
Across
  1. A process where plants convert light energy into chemical energy-
  2. The process where an element gains electrons
  3. A chemical equation where the number of atoms of each element is the same on both sides
  4. A representation of a chemical reaction using symbols and formulas
  5. The process where an element loses electrons
  6. A substance that speeds up a chemical reaction
  7. A change in which substances are transformed into new substances
  8. A homogenous mixture where one substance is dissolved in another
  9. A reaction that absorbs heat
  10. A solid that forms from a solution during a chemical reaction
Down
  1. A chemical process involving rapid oxidation, often with fire
  2. To become dispersed throughout a solvent
  3. A reaction where one element replaces another in a compound
  4. A form of energy often involved in chemical reactions
  5. The starting substances in a chemical reaction
  6. The substance that dissolves another substance in a solution
  7. A slow chemical process that eats away metal surfaces
  8. The substance formed after a chemical reaction
  9. A reaction that releases heat
  10. displacement A reaction where two compounds exchange ions

20 Clues: A reaction that absorbs heat • A reaction that releases heat • To become dispersed throughout a solvent • The process where an element gains electrons • The process where an element loses electrons • The starting substances in a chemical reaction • The substance formed after a chemical reaction • A substance that speeds up a chemical reaction • ...

CHEMISTRY 2025-05-21

CHEMISTRY crossword puzzle
Across
  1. A reaction that absorbs heat
  2. A process where plants convert light energy into chemical energy
  3. The substance that dissolves another substance in a solution
  4. A reaction that releases heat
  5. To become dispersed throughout a solvent
  6. A chemical equation where the number of atoms of each element is the same on both sides
  7. A change in which substances are transformed into new substances
  8. A homogenous mixture where one substance is dissolved in another
  9. A chemical process involving rapid oxidation, often with fire
  10. A reaction where one element replaces another in a compound
  11. The substance formed after a chemical reaction
  12. The starting substances in a chemical reaction
Down
  1. A substance that speeds up a chemical reaction
  2. The process where an element loses electrons
  3. DISPLACEMENT A reaction where two compounds exchange ions
  4. A slow chemical process that eats away metal surfaces
  5. A representation of a chemical reaction using symbols and formulas
  6. A form of energy often involved in chemical reactions
  7. The process where an element gains electrons
  8. A solid that forms from a solution during a chemical reaction

20 Clues: A reaction that absorbs heat • A reaction that releases heat • To become dispersed throughout a solvent • The process where an element loses electrons • The process where an element gains electrons • A substance that speeds up a chemical reaction • The substance formed after a chemical reaction • The starting substances in a chemical reaction • ...

Combustion and chemical reactions 2024-02-14

Combustion and chemical reactions crossword puzzle
Across
  1. A gas produced during combustion, consisting of carbon and oxygen.
  2. A substance that speeds up a chemical reaction without being consumed itself.
  3. A chemical reaction where a substance gains electrons.
  4. The process of initiating combustion.
  5. A chemical equation where the number of atoms of each element is the same on both sides.
  6. A substance that undergoes change in a chemical reaction.
  7. A process that rearranges the molecular structure of substances to form new substances.
  8. The process of burning something.
  9. A chemical reaction that absorbs heat energy.
  10. A substance that is formed as a result of a chemical reaction.
  11. A chemical element essential for combustion to occur.
Down
  1. The visible, gaseous part of a fire.
  2. A chemical reaction where a substance loses electrons, usually to oxygen.
  3. A compound consisting of hydrogen and carbon atoms, often used as fuel.
  4. A material that can be burned to release energy.
  5. A chemical reaction where iron reacts with oxygen and water to form rust (iron oxide).
  6. A symbolic representation of a chemical reaction.
  7. Energy associated with the motion of particles in a substance.
  8. The minimum energy required to start a chemical reaction.
  9. A chemical reaction that releases heat energy.

20 Clues: The process of burning something. • The visible, gaseous part of a fire. • The process of initiating combustion. • A chemical reaction that absorbs heat energy. • A chemical reaction that releases heat energy. • A material that can be burned to release energy. • A symbolic representation of a chemical reaction. • A chemical element essential for combustion to occur. • ...

CHEMISTRY 2025-05-21

CHEMISTRY crossword puzzle
Across
  1. A reaction that absorbs heat
  2. A process where plants convert light energy into chemical energy
  3. The substance that dissolves another substance in a solution
  4. A reaction that releases heat
  5. To become dispersed throughout a solvent
  6. A chemical equation where the number of atoms of each element is the same on both sides
  7. A change in which substances are transformed into new substances
  8. A homogenous mixture where one substance is dissolved in another
  9. A chemical process involving rapid oxidation, often with fire
  10. A reaction where one element replaces another in a compound
  11. The substance formed after a chemical reaction
  12. The starting substances in a chemical reaction
Down
  1. A substance that speeds up a chemical reaction
  2. The process where an element loses electrons
  3. DISPLACEMENT A reaction where two compounds exchange ions
  4. A slow chemical process that eats away metal surfaces
  5. A representation of a chemical reaction using symbols and formulas
  6. A form of energy often involved in chemical reactions
  7. The process where an element gains electrons
  8. A solid that forms from a solution during a chemical reaction

20 Clues: A reaction that absorbs heat • A reaction that releases heat • To become dispersed throughout a solvent • The process where an element loses electrons • The process where an element gains electrons • A substance that speeds up a chemical reaction • The substance formed after a chemical reaction • The starting substances in a chemical reaction • ...

hi 2025-12-16

hi crossword puzzle
Across
  1. - an equation for a chemical reaction in which mass is conserved and there are equal numbers of atoms of each element on both sides of the equation
  2. - a common sign of a chemical reaction and usually indicates the production of a gas.
  3. - used in a chemical equation to indicate the direction of the reaction
  4. - a substance that is formed as the result of a chemical reaction.
  5. - a key indicator that a chemical reaction has occurred, specifically relating to whether the reaction is endothermic or exothermic.
  6. - When substances react, new substances with different molecular structures and properties are formed, which can cause a change in how light is absorbed or emitted,
  7. - a process in which one or more substances, called reactants, are transformed into different substances, known as products.
  8. - is a type of chemical reaction in which a single, complex compound breaks down into two or more simpler substances
  9. - a small number written slightly below and to the right of an element's symbol in a chemical formula.
Down
  1. - is a type of chemical reaction where one element replaces another element in a compound.
  2. - a numerical value, usually a small whole number, placed in front of a chemical formula in a balanced chemical equation.
  3. - is a chemical reaction in which two compounds, typically ionic compounds in an aqueous solution, exchange their positive ion
  4. - a fundamental scientific principle which states that matter is neither created nor destroyed during a chemical reaction
  5. is a chemical reaction in which a substance reacts rapidly with an oxidant, to produce oxidized products, while releasing significant energy in the form of heat and light.
  6. an indicator of a chemical reaction and is also known by the technical term effervescence.
  7. the starting materials in a chemical reaction that undergo a chemical change to form a product.
  8. - is a chemical reaction that absorbs energy, usually in the form of heat, from its surroundings to proceed.
  9. - is a chemical reaction that releases energy into its surroundings, typically in the form of heat, but sometimes also as light, sound, or electricity
  10. - a symbolic representation of a chemical reaction, showing the reactants and products using chemical symbols and formulas
  11. is a type of chemical reaction where two or more simple substances combine to form a single, more complex product

20 Clues: - a substance that is formed as the result of a chemical reaction. • - used in a chemical equation to indicate the direction of the reaction • - a common sign of a chemical reaction and usually indicates the production of a gas. • - is a type of chemical reaction where one element replaces another element in a compound. • ...

Science Crossword 2024-01-10

Science Crossword crossword puzzle
Across
  1. A chemical reaction in one element in a compound is replaced by another element
  2. The state that occurs when forward and reverse reactions each happen at the same rate
  3. A loss of electrons in a chemical reaction
  4. A chemical reaction in which two or more reactants combine into a single, more complex product
  5. A combination of chemical formulas and symbols that models a chemical reaction
  6. A number placed in front of a chemical formula within a chemical equation that shows how many units of reactants or products are needed to balance the chemical equation
  7. A gain of electrons in a chemical reaction
  8. The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  9. The molar of one mole of a substance
Down
  1. A reaction in which the products can react together to re-form the original reactants
  2. A chemical reaction in which a single reactant breaks down into two or more products
  3. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made it to the system
  4. The law that states that energy can not be created or destroyed but only transferred between objects or transformed
  5. A chemical reaction that absorbs more thermal energy than it releases
  6. The minimum energy needed for a chemical reaction to occur
  7. A chemical reaction that releases more thermal energy than it absorbs
  8. An exothermic chemical reaction in which a fuel reacts with oxygen
  9. A chemical reaction in which two compounds swap cations or anions with each other
  10. A process that changes a substance into one or more different substances
  11. The speed of a reaction
  12. A substance that slows the rate of a reaction by reducing the effectiveness of Catalyst
  13. A substance that enters into a chemical reaction
  14. A substance that helps a reaction happen faster but is not used in the reaction
  15. A substance that is formed during a chemical reaction
  16. S.I. fundamental unit for the quantity of matter in a substance

25 Clues: The speed of a reaction • The molar 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 • The minimum energy needed for a chemical reaction to occur • ...

chemical reaction 2015-04-08

chemical reaction crossword puzzle
Across
  1. are broken in a chemical change
  2. in it new substances are formed
  3. can be written before a formula
  4. the smallest part of a compound
  5. it is a physical property
  6. are the result of a chemical reaction
  7. it can never be changed
Down
  1. a chemical equation must be like this
  2. a law reguarding mass
  3. water in gaseous form
  4. a solid becoming liquid
  5. a substance made of many elements
  6. the smallest part of an element

13 Clues: water in gaseous form • a law reguarding mass • a solid becoming liquid • it can never be changed • it is a physical property • in it new substances are formed • the smallest part of a compound • are broken in a chemical change • can be written before a formula • a substance made of many elements • the smallest part of an element • a chemical equation must be like this • ...

Chemical Reactions 2025-02-07

Chemical Reactions crossword puzzle
Across
  1. Energy The minimum amount of energy required for a chemical reaction to occur.
  2. A substance that speeds up a chemical reaction without being consumed in the process.
  3. A solid that forms and separates from a solution during a chemical reaction.
  4. The substances that are formed as a result of a chemical reaction.
  5. A homogeneous mixture composed of a solute dissolved in a solvent.
  6. A biological catalyst that speeds up chemical reactions in living organisms.
  7. A reaction that releases heat, causing the temperature of the surroundings to increase.
  8. A reaction where a single compound breaks down into two or more simpler substances.
  9. of Reaction The speed at which reactants are converted into products in a chemical reaction.
  10. The substance that is dissolved in a solvent to form a solution.
  11. The calculation of the quantities of reactants and products in a chemical reaction.
  12. The substance in a solution that dissolves the solute.
  13. The process of losing electrons in a chemical reaction.
  14. A chemical reaction in which a substance reacts with oxygen, often producing heat and light.
  15. Chatelier’s Principle States that if a system at equilibrium is disturbed, the system will adjust to counteract the disturbance and restore equilibrium.
Down
  1. A reaction that absorbs heat, causing the temperature of the surroundings to decrease.
  2. A chemical reaction in which two or more simple substances combine to form a more complex substance.
  3. The process of gaining electrons in a chemical reaction.
  4. Bond A chemical bond formed through the transfer of electrons from one atom to another, creating charged ions.
  5. The amount of a substance in a given volume of solution.
  6. A substance that takes part in and undergoes change during a chemical reaction.
  7. Reaction A reaction between an acid and a base that usually produces water and a salt.
  8. A state in which the forward and reverse reactions occur at the same rate, maintaining a constant concentration of reactants and products.
  9. Bond A chemical bond formed when two atoms share electrons.
  10. A reaction that involves the transfer of electrons between two substances.
  11. Equation A symbolic representation of a chemical reaction using element symbols and formulas to show reactants and products.
  12. Complex A temporary, unstable arrangement of atoms that forms at the peak of the activation energy barrier during a reaction.
  13. Replacement A reaction where the positive ions of two compounds exchange places to form two new compounds.
  14. Replacement A chemical reaction in which one element replaces another in a compound.
  15. of Conservation of Mass States that mass is neither created nor destroyed in a chemical reaction.

30 Clues: The substance in a solution that dissolves the solute. • The process of losing electrons in a chemical reaction. • The process of gaining electrons in a chemical reaction. • The amount of a substance in a given volume of solution. • Bond A chemical bond formed when two atoms share electrons. • The substance that is dissolved in a solvent to form a solution. • ...

vocab 7 2024-01-10

vocab 7 crossword puzzle
Across
  1. a substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  2. a chemical reaction in which a single reactant breaks down into two more products
  3. a substance that helps a reaction happen faster but is not used up in the reaction
  4. The principle that states that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  5. the mass of one mole of a substance
  6. a process that rearranges the atoms in one or more substances into one or more new substances
  7. a combination of chemical formulas and symbols that models a chemical reaction
  8. The model that states that for a reaction to occur, the reactant particles must collide with each other with the proper alignment and with enough energy
  9. the speed of a reaction
  10. a chemical reaction in which one element in a compound is replaced by another element
  11. a chemical reaction in which two or more reactants combine into a single, more complex product
  12. the minimum energy needed for a chemical reaction to occur
  13. a chemical reaction that releases more thermal energy than it absorbs
Down
  1. a gain of electrons in a chemical reaction
  2. a chemical reaction in which two compounds swap cations or anions with each other
  3. a reaction in which the products can react together to reform the original reactants
  4. An exothermic chemical reaction in which a fuel reacts with oxygen
  5. the state that occurs when forward and reverse reactions each happen at the same rate
  6. 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
  7. a substance that enters into a chemical reaction
  8. a chemical reaction that absorbs more thermal energy than it releases
  9. a substance that is formed during a chemical reaction
  10. the law that states that energy cannot be created or destroyed but only transferred between objects or transformed
  11. SI fundamental unit for the quantity of matter in a substance
  12. a loss of electrons in a chemical reaction

25 Clues: the speed of a reaction • 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 • the minimum energy needed for a chemical reaction to occur • ...

Gayeon Kim/Phys 211 B/March 25, 2025/Chapter 7 Vocabulary 2025-03-25

Gayeon Kim/Phys 211 B/March 25, 2025/Chapter 7 Vocabulary crossword puzzle
Across
  1. a chemical reaction in which one element in a compound is replaced by another element; also known as single-displacement reaction.
  2. a substance that slows the reaction rate by reducing the effectiveness of catalysts.
  3. an exothermic chemical reaction in which a fuel reacts with oxygen.
  4. the state that occurs when forward and reverse reactions each happen at the same rate.
  5. a combination of chemical formulas and symbols that models a chemical reaction
  6. a chemical reaction in which two compounds swap cations or anions with each other; also known as double-displacement reaction.
  7. a number is 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.
  8. a mass of one mole of a substance.
  9. the model that states for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy.
  10. a chemical reaction that absorbs more thermal energy than it releases
  11. a reaction in which the products can react together to reform the original reactants.
  12. a chemical reaction in which two compounds swap cations or anions with each other; also known as double-displacement reaction.
  13. a substance that enters into a chemical reaction.
Down
  1. a chemical reaction that releases more thermal energy than it absorbs.
  2. the minimum energy needed for a chemical reaction to occur.
  3. a gain of electrons in a chemical reaction.
  4. a process that rearranges the atoms in one or more substances into one or more new substances.
  5. the speed of a reaction.
  6. the principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effects of any changes made to the system.
  7. the law that states that energy can not be created or destroyed but can be transformed between objects.
  8. a chemical reaction in which two or more reactants combine into a single, more complex product
  9. SI fundamental unit of for the quantity of mater in a substance; a count equal to 6.022 x 10^23
  10. a loss of electrons in a chemical reaction.
  11. a substance that is formed during a chemical reaction.
  12. a substance that helps a reaction happen faster but is not used up in the reaction.

25 Clues: the speed of a reaction. • a 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. • the minimum energy needed for a chemical reaction to occur. • ...

3.2 Vocabulary 2021-12-08

3.2 Vocabulary crossword puzzle
Across
  1. reaction that absorbs more energy at the beginning of the reaction than is released
  2. chemical reaction that absorbs heat
  3. reaction that releases more energy during bond formation than the activation energy used to begin the reaction
  4. reaction that occurs when a substance reacts with oxygen
  5. change that occurs when a substance changes into an entirely different substance with unique properties
  6. substances present before a chemical reaction and undergo chemical changes during a chemical reaction
Down
  1. substance is broken down into two or more products
  2. two or more substances combine to form a product
  3. minimum amount of energy that is required to start a chemical reaction
  4. chemical reactions that releases heat
  5. process when one or more substances are transformed into different substances
  6. change in a substances physical properties that does not change the type of matter in the substance
  7. substance that increases the reaction rate without permanently changing
  8. whole number written in front of a chemical formula in a chemical equation
  9. new substance(s) formed following a chemical reaction
  10. description using chemical symbols and formulas to show the reactants and products in a chemical reaction
  11. measurement of the change in concentration of the reactants over a period of time
  12. biological catalyst
  13. substance that is used to slow down or stop a chemical reaction

19 Clues: biological catalyst • chemical reaction that absorbs heat • chemical reactions that releases heat • two or more substances combine to form a product • substance is broken down into two or more products • new substance(s) formed following a chemical reaction • reaction that occurs when a substance reacts with oxygen • ...

Chemical reactions 2019-02-25

Chemical reactions crossword puzzle
Across
  1. A catalyst ____________ the activation energy needed for a chemical reaction to occur.
  2. The new substance or substances that form after a chemical reaction has occurred
  3. Before a chemical reaction can take place the particles in the reactants must collide with each other. This is called the __________ theory.
  4. When chemical reactions take place, new chemical bonds are __________ in the products.
  5. A substance that alters (speeds up or slows down) the rate of a chemical reaction.
  6. Fast moving particles are said to have more ________ energy.
  7. Another factor that can influence the rate of a chemical reaction.
  8. This tells us how quickly a reaction occurs.
  9. The rusting of a nail, the burning of a fuel and the boiling of an egg are all examples of a chemical ____________.
  10. A reaction that gives out heat is said to be ___________.
  11. These particles have a larger surface area
  12. When bonds are broken energy is taken.
Down
  1. Increasing the surface ________ increases the rate of a chemical reaction.
  2. The steeper the graph the of a chemical reaction the _________ it is occurring.
  3. This is the minimum amount of energy that colliding particles must have if a reaction is to occur between them.
  4. When new bonds are formed energy is given _____.
  5. A factor that can influence the rate of a chemical reaction.
  6. The chemicals that react together during a chemical reaction.
  7. The greater the number of particles of solute in a solvent the more ___________ the solution.
  8. A reaction that takes in heat in is said to be ___________.
  9. An energy ___________ diagram shows the energy stored in the reactants compared to the energy stored in the products.
  10. When chemical reactions take place, chemical bonds are __________ in the reactants.

22 Clues: When bonds are broken energy is taken. • These particles have a larger surface area • This tells us how quickly a reaction occurs. • When new bonds are formed energy is given _____. • A reaction that gives out heat is said to be ___________. • A reaction that takes in heat in is said to be ___________. • A factor that can influence the rate of a chemical reaction. • ...

Science Vocabulary Chapter 7 2024-01-10

Science Vocabulary Chapter 7 crossword puzzle
Across
  1. A chemical reaction in which two or more reactants combine into a single, more complex product
  2. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  3. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  4. A chemical reaction that releases more thermal energy than it absorbs
  5. The speed of a reaction
  6. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 X 10^23
  7. An exothermic chemical reaction in which a fuel reacts with oxygen
  8. A substance that enters into a chemical reaction
  9. A reaction in which the products can react together to re-form the original reactants
  10. A substance that helps a reaction happen faster but is not used up in the reaction
  11. A chemical reaction that absorbs more thermal energy than it releases
  12. 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
  13. A chemical reaction in which a single reactant breaks down into two or more products
Down
  1. A substance that is formed during a chemical reaction
  2. The state that occurs when forward and reverse reactions each happen at the same rate
  3. The law that states that energy cannot be created nor destroyed, but only transferred between objects or transformed; also known as the first law of thermodynamic
  4. The minimum energy needed for a chemical reaction to occur
  5. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction
  6. A loss of electrons in a chemical reaction
  7. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction
  8. The mass of one mole of a substance
  9. A combination of chemical formulas and symbols that models a chemical reaction
  10. The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  11. A gain of electrons in a chemical reaction
  12. A process that rearranges the atoms in one or more substances into one or more new substances

25 Clues: The speed of a reaction • 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 • The minimum energy needed for a chemical reaction to occur • ...

Chapter 7 PHY-211 2024-01-10

Chapter 7 PHY-211 crossword puzzle
Across
  1. the minimum energy needed for a chemical reaction to occur
  2. a substance that is formed during a chemical reaction
  3. a process that rearranges the atoms in one or more substances into one or more new substances
  4. a substance that enters into a chemical reaction
  5. a chemical reaction that absorbs more thermal energy than it releases
  6. a substance that helps a reaction happen faster but is not used up in the reaction
  7. the model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  8. a combination of chemical formulas and symbols that models a chemical reaction
  9. the state that occurs when forward and reverse reactions each happen at the same rate
  10. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 10^23
  11. an exothermic chemical reaction in which a fuel reacts with oxygen
  12. the speed of a reaction
  13. a reaction in which the products can react together to re-form the original reactants
Down
  1. a chemical reaction that releases more thermal energy than it absorbs
  2. a chemical reaction in which two or more reactants combine into a single, more complex product
  3. 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
  4. the law that states that energy cannot be created or destroyed but only transferred between objects or transformed; also known as the first law of thermodynamics
  5. a chemical reaction in which a single reactant breaks down into two or more products
  6. a gain of electrons in a chemical reaction
  7. a substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  8. a chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction
  9. a chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction
  10. the principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  11. the mass of one mole of a substance
  12. a loss of electrons in a chemical reaction

25 Clues: the speed of a reaction • 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 • the minimum energy needed for a chemical reaction to occur • ...

Natasha Collier March 25 2025 PS 211 A/B Chapter 7 Vocab Puzzle 2025-03-25

Natasha Collier March 25 2025 PS 211 A/B Chapter 7 Vocab Puzzle crossword puzzle
Across
  1. the speed of a reaction
  2. A chemical reaction in which two or more reactants combine into a single, more complex product
  3. A process that rearranges the atoms in one or more substances into one or more new substances
  4. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts
  5. a substance that is formed during a chemical reaction
  6. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 10(exponent 23)
  7. the model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  8. A reaction in which the products can react together to re-form the original reactants
  9. A chemical reaction that absorbs more thermal energy than it releases
  10. A loss of electrons in a chemical reaction
  11. A chemical reaction that releases more thermal energy than it absorbs
  12. A combination of chemical formulas and symbols that models a chemical reaction
  13. A chemical reaction in which a single reactant breaks down into two or more products
Down
  1. a chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction
  2. a substance that helps a reaction happen faster but is not used up in the reaction
  3. The principle that states that a chemical system in equilibrium will adjust its equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  4. the law that states that energy cannot be created or destroyed but only transferred between objects or transformed; also known as the first law of thermodynamics
  5. The mass of one mole of a substance
  6. A substance that enters into a chemical reaction
  7. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction
  8. A number placed in front of a chemical formula within a chemical equation that shows how reactants of a reactant or product are needed to balance the chemical equation
  9. the minimum energy needed for a chemical reaction to occur
  10. a gain of electrons in a chemical reaction
  11. the state that occurs when forward and reverse reactions each happen at the same rate
  12. An exothermic chemical reaction in which a fuel reacts with oxygen

25 Clues: the speed of a reaction • 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 • the minimum energy needed for a chemical reaction to occur • ...

Keith Vinston-PS 211 B-March 25, 2025-Chapter 8 Vocab 2025-03-25

Keith Vinston-PS 211 B-March 25, 2025-Chapter 8 Vocab crossword puzzle
Across
  1. a chemical reaction in which one element in a compound is replaced by another element, also known as a single-displacement reaction
  2. a reaction in which the products can react together to re-form the original reactants
  3. a substance that helps a reaction happen faster but is not used up in the reaction
  4. a gain of electrons in a chemical reaction
  5. a chemical in which two compounds swap cations and anions with each other, also known as a double-displacement reaction
  6. a chemical reaction that absorbs more thermal energy than it releases
  7. the speed of a reaction
  8. a loss of electrons in a chemical reaction
  9. a chemical reaction in which a single reactant breaks down into two or more products
  10. the state that occurs when forward and reverse reactions each happen at the same rate
  11. a chemical reaction in which two or more reactants combine into a single, more complex product
  12. the principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
Down
  1. the mass of one mole of a substance
  2. the minimum energy needed for a chemical reaction to occur
  3. the law that states that energy cannot be created or destroyed but only transferred between objects or transformed, also known as the first law of thermodynamics
  4. an exothermic chemical reaction in which a fuel reacts with oxygen
  5. a process that rearranges the atoms in one or more substances into one or more new substances
  6. SI fundamental unit for the quantity of matter in a substance, a count equal to 6.022 x 10^23
  7. the model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  8. 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
  9. a chemical reaction that releases more thermal energy than it absorbs
  10. a substance that enters into a chemical reaction
  11. a combination of chemical formulas and symbols that models a chemical reaction
  12. a substance that slows the rate of a reaction by reducing the effectiveness of catalysts

24 Clues: the speed of a reaction • 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 • the minimum energy needed for a chemical reaction to occur • an exothermic chemical reaction in which a fuel reacts with oxygen • ...

Chemical Reactions Terms 2014-03-16

Chemical Reactions Terms crossword puzzle
Across
  1. Sour chemical with a pH less then 7
  2. A scale that shows how acidic or basic something is
  3. When a new substance is formed
  4. A reaction where the product is bigger then the reactant
  5. A reaction where the product is smaller
  6. A reaction where an acid and base cancel out
  7. An electron in the outer shell of an atom
  8. A reaction where two elements changed
  9. Bitter chemical with a pH bigger then 7
Down
  1. A compound made from a metal and a non metal
  2. A number before a chemical symbol
  3. A chemical reaction using words
  4. What you start with in a chemical reaction
  5. A chemical reaction showing quantity
  6. A compound made from two non metals
  7. An atom that wants electrons
  8. A reaction where one element is changed
  9. A chemical that changes colour in an acid or base
  10. What you end up with after a chemical reaction
  11. A reaction with oxygen producing CO2
  12. An atom that wants to loose electrons

21 Clues: An atom that wants electrons • When a new substance is formed • A chemical reaction using words • A number before a chemical symbol • Sour chemical with a pH less then 7 • A compound made from two non metals • A chemical reaction showing quantity • A reaction with oxygen producing CO2 • A reaction where two elements changed • An atom that wants to loose electrons • ...

chapter 7 vocab 2025-03-25

chapter 7 vocab crossword puzzle
Across
  1. A combination of chemical formulas and symbols that model a chemical reaction
  2. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  3. A chemical reaction in which two or more reactants combine into a single, more complex product
  4. An exothermic chemical reaction in which a fuel reacts with oxygen
  5. The speed of reaction
  6. A substance that is formed during a chemical reaction
  7. A chemical reaction that releases more thermal energy that it absorbs
  8. A reaction in which the products can react together to re-form the original reactants
  9. The minium energy needed for a chemical reaction to occur
  10. A loss of electrons in a chemical reaction
  11. The state that occurs when forward and reverse reactions each happen at the same rate
  12. The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy
  13. The law that states that energy connot be created nor destroyed but only transferred between objects or transformed; also known as the first law of thermodynamics
  14. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction
Down
  1. A number places 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. A substance that helps a reaction happen faster but is not used up in the reaction
  3. a process that rearranges the atoms in one or more substances into one or more new substances
  4. A chemical reaction in which one element in a compound is replaced by another element; also knws as a single-displacement reaction
  5. A chemical reaction that absorbs more thermal energy than it releases
  6. A substance that enters into a chemical reaction
  7. The mass of one mole of a substance
  8. A gain of electrons in a chemical reaction
  9. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 10^23
  10. A chemical reaction in which a single reactant breaks down into two or more products
  11. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts

25 Clues: The speed of reaction • 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 • The minium energy needed for a chemical reaction to occur • ...

Andy Choi March 25 PS211B Crossword Puzzle 2025-03-25

Andy Choi March 25 PS211B Crossword Puzzle crossword puzzle
Across
  1. A reaction in which the products can react together to re-form the original reactants.
  2. A process that rearranges the atoms in one or more substances into one or more new substances.
  3. The law that states that energy cannot be created or destroyed but only transferred between objects or transformed; also known as the first law of thermodynamics.
  4. A substance that is formed during a chemical reaction.
  5. A chemical reaction that absorbs more thermal energy than it releases.
  6. The state that occurs when forward and reverse reactions each happen at the same rate.
  7. The speed of a reaction.
  8. A loss of electrons in a chemical reaction.
  9. An exothermic chemical reaction in which a fuel reacts with oxygen.
  10. A substance that enters into a chemical reaction.
  11. A chemical reaction that releases more thermal energy than it absorbs.
  12. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts.
  13. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 × 1023.
Down
  1. The minimum energy needed for a chemical reaction to occur.
  2. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction.
  3. The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy.
  4. The mass of one mole of a substance.
  5. A chemical reaction in which two or more reactants combine into a single, more complex product.
  6. A gain of electrons in a chemical reaction.
  7. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction.
  8. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system.
  9. A chemical reaction in which a single reactant breaks down into two or more products.
  10. A substance that helps a reaction happen faster but is not used up in the reaction.
  11. A combination of chemical formulas and symbols that models a chemical reaction.
  12. 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.

25 Clues: The speed of a reaction. • 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. • The minimum energy needed for a chemical reaction to occur. • ...

Chapter 7 Crossword 2025-03-25

Chapter 7 Crossword crossword puzzle
Across
  1. A chemical reaction in which a single reactant breaks down into two or more products.
  2. A process that rearranges the atoms in one or more substances into one or more new substances.
  3. A substance that helps a reaction happen faster but is not used up in the reaction.
  4. The mass of one mole of a substance.
  5. A substance that enters into a chemical reaction.
  6. A combination of chemical formulas and symbols that models a chemical reaction
  7. The speed of a reaction
  8. An exothermic chemical reaction in which a fuel reacts with oxygen.
  9. A reaction in which the products can react together to re-form the original reactants.
  10. 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.
  11. The state that occurs when forward and reverse reactions each happen at the same rate.
  12. A chemical reaction in which two or more reactants combine into a single, more complex product.
Down
  1. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction.
  2. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts.
  3. A chemical reaction that releases more thermal energy than it absorbs.
  4. The minimum energy needed for a chemical reaction to occur.
  5. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction.
  6. The law that states that energy cannot be created or destroyed but only transferred between objects or transformed; also known as the first law of thermodynamics.
  7. A chemical reaction that absorbs more thermal energy than it releases.
  8. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system
  9. The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy.
  10. A substance that is formed during a chemical reaction.
  11. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 × 10^23.
  12. A gain of electrons in a chemical reaction.
  13. A loss of electrons in a chemical reaction

25 Clues: The speed of a reaction • 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. • The minimum energy needed for a chemical reaction to occur. • ...

Science Vocabulary 7 2025-03-25

Science Vocabulary 7 crossword puzzle
Across
  1. A reaction in which the products can react together to re-form the original reactants.
  2. A process that rearranges the atoms in one or more substances into one or more new substances.
  3. The law that states that energy cannot be created or destroyed but only transferred between objects or transformed; also known as the first law of thermodynamics.
  4. A substance that is formed during a chemical reaction.
  5. A chemical reaction that absorbs more thermal energy than it releases.
  6. The state that occurs when forward and reverse reactions each happen at the same rate.
  7. The speed of a reaction.
  8. A loss of electrons in a chemical reaction.
  9. An exothermic chemical reaction in which a fuel reacts with oxygen.
  10. A substance that enters into a chemical reaction.
  11. A chemical reaction that releases more thermal energy than it absorbs.
  12. A substance that slows the rate of a reaction by reducing the effectiveness of catalysts.
  13. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 × 1023.
Down
  1. The minimum energy needed for a chemical reaction to occur.
  2. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction.
  3. The model that states that for a reaction to occur, the reactant particles must collide with each other, with the proper alignment, and with enough energy.
  4. The mass of one mole of a substance.
  5. A chemical reaction in which two or more reactants combine into a single, more complex product.
  6. A gain of electrons in a chemical reaction.
  7. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction.
  8. The principle that states that a chemical system in equilibrium will adjust its equilibrium position in such a way as to reduce the effect of any changes made to the system.
  9. A chemical reaction in which a single reactant breaks down into two or more products.
  10. A substance that helps a reaction happen faster but is not used up in the reaction.
  11. A combination of chemical formulas and symbols that models a chemical reaction.
  12. 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.

25 Clues: The speed of a reaction. • 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. • The minimum energy needed for a chemical reaction to occur. • ...

Unit 4 2020-03-03

Unit 4 crossword puzzle
Across
  1. the substance present at the beginning of a chemical reaction
  2. occurs when an atom gains electrons in a reaction or when a substance gains a hydrogen or loses an oxygen atom in a chemical reaction
  3. the tendency of the substance to react with other substances
  4. the SI unit for the amount of a substance
  5. a chemical reaction that takes in heat
  6. a catalyst used by living things to increase the speed of a natural chemical process
  7. a strong chemical bond that is formed by the attraction between two ions of opposite charges
  8. the point at which the rate of the forward reaction is equal to the rate of the backward reaction
  9. a chemical bond where positive metal ions form a lattice structure with freely moving electrons between them
  10. reaction a reaction in which the products can never be turned back into the reactants
  11. a new substance in a chemical reaction
Down
  1. an interaction between the atoms of two substances where the atoms rearrange to form two new molecules
  2. a substance which speeds up a chemical reaction without being changed by the reaction
  3. the measure of the strength of a solution, i.e., the amount of the solute in the solvent
  4. occurs when an atom loses electrons in a reaction or when a substance loses a hydrogen or gains an oxygen in a chemical reaction
  5. s chemical reaction that gives off heat
  6. a chemical bond between two atoms in which each atom shares an electron
  7. reaction a reaction in which under the right conditions the products can be turned back into the reactants
  8. a reaction that primarily involves the transfer of electrons between two substances
  9. an atom or group of atoms that has become charged by gaining or losing one or more electrons

20 Clues: a chemical reaction that takes in heat • a new substance in a chemical reaction • s chemical reaction that gives off heat • the SI unit for the amount of a substance • the tendency of the substance to react with other substances • the substance present at the beginning of a chemical reaction • a chemical bond between two atoms in which each atom shares an electron • ...

Unit 6 vocab 2023-01-03

Unit 6 vocab crossword puzzle
Across
  1. a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols
  2. exothermic reaction with a hydrocarbon and oxygen as reactants and carbon dioxide and water as products
  3. A chemical bond is the physical phenomenon of chemical substances being held together by attraction of atoms to each other through sharing, as well as exchanging, of electrons
  4. type of reaction in which multiple reactants combine to form a single product
  5. a chemical reaction that cannot be undone
  6. chemical reaction that releases energy, usually as light or heat
  7. the amount if a substance in a given amount of space
  8. chemical reaction accompanied by the absorption of energy, usually heat or light
Down
  1. in a closed system, the mass of the system must remain constant over time, even after a reaction
  2. Products are the species (compounds or elements) formed from chemical reactions.
  3. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. in a closed system, the energy of the system must remain constant over time, even after a reaction
  6. chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions
  7. chemical reaction in which one element replaces an/other element in a compound.
  8. a chemical reaction that can be undone
  9. a number placed in front of an element of compound formula in a chemical equation to help balance the equation
  10. the breakdown of a single compound into two or more fragments of smaller compounds or individual elements
  11. a compound that is used as fuel in a combustion reaction, contains hydrogen and carbon, sometimes oxygen
  12. both reactants and products are present in concentrations which have no further tendency to change with time
  13. minimum energy required to get a chemical reaction started
  14. the speed that a chemical reaction changes reactants into products
  15. a solid product that forms after a chemical reaction of two liquids
  16. a substance that takes part in and undergoes change during a reaction, the starting materials of a reaction

24 Clues: a chemical reaction that can be undone • a chemical reaction that cannot be undone • the amount if a substance in a given amount of space • minimum energy required to get a chemical reaction started • chemical reaction that releases energy, usually as light or heat • the speed that a chemical reaction changes reactants into products • ...

Unit 6 vocab 2023-01-03

Unit 6 vocab crossword puzzle
Across
  1. chemical reaction in which one element replaces an/other element in a compound.
  2. a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols
  3. a chemical reaction that can be undone
  4. a number placed in front of an element of compound formula in a chemical equation to help balance the equation
  5. chemical reaction that releases energy, usually as light or heat
  6. a solid product that forms after a chemical reaction of two liquids
  7. exothermic reaction with a hydrocarbon and oxygen as reactants and carbon dioxide and water as products
Down
  1. in a closed system, the mass of the system must remain constant over time, even after a reaction
  2. chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions
  3. a chemical reaction that cannot be undone
  4. chemical reaction accompanied by the absorption of energy, usually heat or light
  5. minimum energy required to get a chemical reaction started
  6. the speed that a chemical reaction changes reactants into products
  7. A chemical bond is the physical phenomenon of chemical substances being held together by attraction of atoms to each other through sharing, as well as exchanging, of electrons
  8. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  9. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  10. in a closed system, the energy of the system must remain constant over time, even after a reaction
  11. the amount if a substance in a given amount of space
  12. a compound that is used as fuel in a combustion reaction, contains hydrogen and carbon, sometimes oxygen
  13. both reactants and products are present in concentrations which have no further tendency to change with time
  14. Products are the species (compounds or elements) formed from chemical reactions.
  15. the breakdown of a single compound into two or more fragments of smaller compounds or individual elements
  16. type of reaction in which multiple reactants combine to form a single product
  17. a substance that takes part in and undergoes change during a reaction, the starting materials of a reaction

24 Clues: a chemical reaction that can be undone • a chemical reaction that cannot be undone • the amount if a substance in a given amount of space • minimum energy required to get a chemical reaction started • chemical reaction that releases energy, usually as light or heat • the speed that a chemical reaction changes reactants into products • ...

Chemical Reactions 2020-04-20

Chemical Reactions crossword puzzle
Across
  1. process that leads to the chemical transformation of one set of chemical substances to another
  2. an equation in which the reactants and products of chemical reaction are represented by words
  3. a substance that forms in a chemical reaction
  4. a substance or molecule that participates in a chemical reaction
  5. 2 compounds react to form 2 new compounds
  6. series of metals in order of reactivity from highest to lowest
  7. a representation of the reactants and products of chemical reaction by their symbols or formula
  8. an element and compound react to form a different element and compound
  9. a ion made of 2 or more atoms
  10. there must be the same number of each type of atom before the reaction as after the reaction
Down
  1. represents a chemical reaction
  2. a chemical reaction in which the products re-form the original reactants
  3. reaction between an acid and a base
  4. a compound breaks down into elements and/or smaller compounds
  5. dissolved in water
  6. a small whole number in which that appears in the front of a formula in a chemical equation
  7. 2 elements combine to form a compound
  8. a substance that speeds up a chemical reaction, but is not consumed by the reaction
  9. a reaction with oxygen
  10. a substance made of 2 or more different elements joined by chemical bonds

20 Clues: dissolved in water • a reaction with oxygen • a ion made of 2 or more atoms • represents a chemical reaction • reaction between an acid and a base • 2 elements combine to form a compound • 2 compounds react to form 2 new compounds • a substance that forms in a chemical reaction • a compound breaks down into elements and/or smaller compounds • ...

chemical reaction 2015-03-25

chemical reaction crossword puzzle
Across
  1. it can never be changed
  2. the smallest part of a compound
  3. water in gaseous form
  4. a chemical equation must be like this
  5. it is a physical property
  6. the smallest part of an element
  7. are broken in a chemical change
  8. can be written before a formula
Down
  1. a substance made of more elements
  2. a solid becoming liquid
  3. law reguarding mass
  4. in it new substances are formed
  5. are obtained in a chemical reaction

13 Clues: law reguarding mass • water in gaseous form • it can never be changed • a solid becoming liquid • it is a physical property • the smallest part of a compound • in it new substances are formed • the smallest part of an element • are broken in a chemical change • can be written before a formula • a substance made of more elements • are obtained in a chemical reaction • ...

Chemical Reaction 2023-01-30

Chemical Reaction crossword puzzle
Across
  1. The type of acid made during anaerobic respiration
  2. Name the element with the symbol H
  3. Colour a strong acid goes with universal indicator
  4. The type of energy needed for photosynthesis
  5. The chemicals made during a reaction are the ...
  6. During combustion a fuel reacts with this gas
Down
  1. A neuralisation reaction produces this and water
  2. A chemical reaction is described as ...
  3. Taken in through a plants roots
  4. During respiration energy is released from ...
  5. Consevation of ...
  6. Name the element with the symbol C
  7. pH 7 is described as

13 Clues: Consevation of ... • pH 7 is described as • Taken in through a plants roots • Name the element with the symbol H • Name the element with the symbol C • A chemical reaction is described as ... • The type of energy needed for photosynthesis • During combustion a fuel reacts with this gas • During respiration energy is released from ... • ...

CHEMICAL REACTIONS 2020-05-06

CHEMICAL REACTIONS crossword puzzle
Across
  1. Two or more atoms bonded together. same or different type.
  2. Reaction A reaction in which two or more substances combine to form a single compound.
  3. A reaction that occurs when one element replaces another element in one compound.
  4. The process by which one or more substances undergo change to produce one or more different substances.
  5. Two or more atoms bonded together. Different type.
  6. states that mass cannot be created or destroyed in a physical or chemical change.
  7. The substances formed from a chemical reaction.
  8. A shorthand description of a chemical reaction using chemical formulas and symbols.
  9. A shorthand notation for a compound or a diatomic element using chemical symbols and numbers.
  10. symbol Set of letters that abbreviate the name of certain element.
  11. A substance that speeds up a reaction without being permanently changed.
  12. A substance that slows down or stops a chemical reaction.
Down
  1. A type of chemical reaction in which a compound and an oxidant react to produce heat and new products.
  2. Number that is place before a chemical formula that indicates how many particles of that substance participate in the reaction.
  3. The term used to describe a physical or chemical change in which energy is released or removed.
  4. Reaction A reaction that occurs when two compounds exchange ions, producing two new compounds.
  5. Small number next and down a chemical symbol that indicate how many atoms are present in that molecule.
  6. The starting materials in a chemical reaction.
  7. The term used to describe a physical or chemical change in which energy is absorbed.
  8. A reaction in which a single compound breaks down to form two or more simpler substances.

20 Clues: The starting materials in a chemical reaction. • The substances formed from a chemical reaction. • Two or more atoms bonded together. Different type. • A substance that slows down or stops a chemical reaction. • Two or more atoms bonded together. same or different type. • symbol Set of letters that abbreviate the name of certain element. • ...

Tali's Crossword 2024-05-25

Tali's Crossword crossword puzzle
Across
  1. Molecules of the same substance sticking together
  2. A combination of substances
  3. A chemical reaction that lets out heat
  4. The smallest unit of matter
  5. The amount of matter in something
  6. Substances formed during a chemical reaction
  7. A physical reaction
  8. Substances before a chemical reaction
  9. The ability to work
Down
  1. A characteristic of a physical reaction
  2. Two or more atoms joined together
  3. A characteristic of a chemical reaction
  4. The measure of kinetic energy
  5. A chemical reaction
  6. What happened after you mix substances
  7. Has mass and takes up space
  8. The amount of space something takes up
  9. A chemical reaction that absorbs heat
  10. The transfer of thermal energy

19 Clues: A chemical reaction • A physical reaction • The ability to work • A combination of substances • The smallest unit of matter • Has mass and takes up space • The measure of kinetic energy • The transfer of thermal energy • Two or more atoms joined together • The amount of matter in something • A chemical reaction that absorbs heat • Substances before a chemical reaction • ...

Elsie Balysh-Chapter Vocabulary-Physical Science-3/22/24 2024-03-22

Elsie Balysh-Chapter Vocabulary-Physical Science-3/22/24 crossword puzzle
Across
  1. a substance that slows, or even stops, a chemical reaction
  2. a chemical reaction in which a substance combines with oxygen and releases energy
  3. a catalyst that speeds up chemical reactions in living cells
  4. a process in which atoms of one or more substances rearrange to form one or more new substances
  5. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction
  6. a type of chemical reaction in which one element replaces another element in a compound
  7. a substance produced by a chemical reaction
  8. the minimum amount of energy needed to start a chemical reaction
Down
  1. a chemical reaction that releases thermal energy
  2. a type of chemical reaction in which the negative ions in two compounds switch places, forming two new compounds
  3. a type of chemical reaction in which two or more substances combine and form one compound
  4. a chemical reaction that absorbs thermal energy
  5. a type of chemical reaction in which one compound breaks down and forms two or more substances
  6. a description of a reaction using element symbols and chemical formulas
  7. a number placed in front of an element symbol or chemical formula in an equation
  8. a starting substance in a chemical reaction
  9. a substance that increases reaction rate by lowering the activation energy of a reaction

17 Clues: a starting substance in a chemical reaction • a substance produced by a chemical reaction • a chemical reaction that absorbs thermal energy • a chemical reaction that releases thermal energy • a substance that slows, or even stops, a chemical reaction • a catalyst that speeds up chemical reactions in living cells • ...

PS: Unit 3 Chapter 2 2024-01-18

PS: Unit 3 Chapter 2 crossword puzzle
Across
  1. new substance formed as a result of a chemical reaction
  2. substance present before a chemical reaction and then undergoes change
  3. number written in front of a chemical formula in a chemical equation
  4. substance used to slow down or stop a chemical reaction
  5. chemical reaction that absorbs heat
  6. type of reaction where the number of atoms of each element on the reactant is equal to those on the product side
  7. type of chemical reaction that has oxygen as a reactant
  8. measure of the change in concentration of the reactants over a period of time
  9. name given to catalysts that exist in the human body
  10. what happens to an atom when it gains an electron
  11. type of chemical reaction where two or more reactants combine to form a product
  12. (l) indicates that the substance is in what state?
Down
  1. type of chemical reaction where a substance is broken down into two or more products
  2. (s) indicates that the substance is in what state?
  3. what happens to an atom when it loses an electron
  4. minimum amount of energy required to start a chemical reaction
  5. type of bond where atoms lose or gain electrons
  6. (g) indicates that the substance is in what state?
  7. type of replacement reaction indicated by AB + DC = AC + DB
  8. substance that increases reaction rate without being used up
  9. chemical reaction that releases heat
  10. reaction that absorbs more energy at the beginning then is released
  11. reaction that releases more energy than what is necessary to start the reaction
  12. type of replacement reaction indicated by A + BC = AC + B

24 Clues: chemical reaction that absorbs heat • chemical reaction that releases heat • type of bond where atoms lose or gain electrons • what happens to an atom when it loses an electron • what happens to an atom when it gains an electron • (s) indicates that the substance is in what state? • (g) indicates that the substance is in what state? • ...

IS2 ENERGY 2020-11-01

IS2 ENERGY crossword puzzle
Across
  1. Lowest possible temperature also known as absolute zero
  2. ___ energy. Minimum energy needed to start a chemical reaction
  3. Chemical symbol for Iron
  4. Energy that flows from hot to cold
  5. Activated ____ is when the atoms from reactants have absorbed the activation energy
  6. Chemical symbol for Silicon
  7. Chemical symbol "Na"
  8. Chemical reaction that releases energy
  9. Chemicals that start a reaction
  10. Chemical symbol "H"
  11. Total energy released or absorbed during a chemical reaction
  12. Force that opposes motion between two surfaces
  13. Average kinetic energy of the particles in a sample of matter
  14. The arrow in chemical reactions
  15. Chemical symbol "N"
  16. Energy needed to raise the temperature of 1 g of water by 1 degree Celsius
  17. You add 273.15 to convert from ___ to Kelvin
Down
  1. New substances resulting from a reaction
  2. Stored energy
  3. Chemical symbol "Ca"
  4. Chemical reaction that absorbs energy
  5. Chemical symbol for Lithium
  6. Energy can never be created nor consumed, only ___
  7. Chemical symbol "K"
  8. speeds up a chemical reaction
  9. Can produce work or heat or change
  10. Chemical symbol "O"
  11. Energy of motion
  12. Chemical symbol for Aluminum
  13. 1000 cal = 1 ____ Calorie
  14. Chemical symbol for Neon

31 Clues: Stored energy • Energy of motion • Chemical symbol "K" • Chemical symbol "H" • Chemical symbol "O" • Chemical symbol "N" • Chemical symbol "Ca" • Chemical symbol "Na" • Chemical symbol for Iron • Chemical symbol for Neon • 1000 cal = 1 ____ Calorie • Chemical symbol for Silicon • Chemical symbol for Lithium • Chemical symbol for Aluminum • speeds up a chemical reaction • ...

Physical Science Chapter 7 Vocab 2023-04-14

Physical Science Chapter 7 Vocab crossword puzzle
Across
  1. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  2. chemical reaction in which a compound and an element exchange positive ions and form a new compound and lone element
  3. a chemical reaction in which the conversion of reactants into products and the conversion of products into reactants happens at the same time
  4. a chemical reaction in which two compounds exchange positive ions and form two new compounds
  5. a chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  6. a chemical reaction that absorbs energy to its surroundings
  7. a chemical reaction in which one substance is oxidized (loses electrons) and one substance is reduced (gains electrons)
  8. a substance that affects the rate of a chemical reaction without being used up in the reaction
Down
  1. a chemical reaction in which two or more substances react to form a single substance
  2. the energy stored in chemical bonds
  3. the rate at which reactants change into products over time
  4. an amount of a substance that contains approximately 6.02 x 1023 particles of a substance
  5. a substance that undergoes change in a physical reaction
  6. a chemical reaction in which a compound breaks down into tow or more simpler substances
  7. a chemical reaction that releases energy to its surroundings
  8. a state in which the forward and reverse paths of a physical or chemical change take place at the same rate
  9. the mass of one mole of a substance
  10. new substances formed as a result of a chemical reaction
  11. numbers that appear before a formula in a chemical equation to show the relation proportions of each reactant and product

19 Clues: the energy stored in chemical bonds • the mass of one mole of a substance • a substance that undergoes change in a physical reaction • new substances formed as a result of a chemical reaction • the rate at which reactants change into products over time • a chemical reaction that absorbs energy to its surroundings • ...

Chemical Equations/Substances 2024-03-21

Chemical Equations/Substances crossword puzzle
Across
  1. a substance that slows, or even stops, a chemical reaction
  2. a chemical reaction in which a substance combines with oxygen and releases energy
  3. a catalyst that speeds up chemical reactions in living cells
  4. a process in which atoms of one or more substances rearrange to form one or more new substances
  5. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction
  6. a type of chemical reaction in which one element replaces another element in a compound
  7. a substance produced by a chemical reaction
  8. the minimum amount of energy needed to start a chemical reaction
Down
  1. a chemical reaction that releases thermal energy
  2. a type of chemical reaction in which the negative ions in two compounds switch places, forming two new compounds
  3. a type of chemical reaction in which two or more substances combine and form one compound
  4. a chemical reaction that absorbs thermal energy
  5. a type of chemical reaction in which one compound breaks down and forms two or more substances
  6. a description of a reaction using element symbols and chemical formulas
  7. a number placed in front of an element symbol or chemical formula in an equation
  8. a starting substance in a chemical reaction
  9. a substance that increases reaction rate by lowering the activation energy of a reaction

17 Clues: a starting substance in a chemical reaction • a substance produced by a chemical reaction • a chemical reaction that absorbs thermal energy • a chemical reaction that releases thermal energy • a substance that slows, or even stops, a chemical reaction • a catalyst that speeds up chemical reactions in living cells • ...

Vocab 6 2023-01-02

Vocab 6 crossword puzzle
Across
  1. in a closed system, the mass of the system must remain constant over time, even after a reaction
  2. a chemical reaction that can be undone
  3. a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols
  4. A chemical bond is the physical phenomenon of chemical substances being held together by attraction of atoms to each other through sharing, as well as exchanging, of electrons
  5. a substance that takes part in and undergoes change during a reaction, the starting materials of a reaction
  6. in a closed system, the energy of the system must remain constant over time, even after a reaction
  7. the breakdown of a single compound into two or more fragments of smaller compounds or individual elements
  8. both reactants and products are present in concentrations which have no further tendency to change with time
  9. Products are the species (compounds or elements) formed from chemical reactions.
  10. a compound that is used as fuel in a combustion reaction, contains hydrogen and carbon, sometimes oxygen
  11. chemical reaction in which one element replaces an/other element in a compound.
Down
  1. a compound that is used as fuel in a combustion reaction, contains hydrogen and carbon, sometimes oxygen
  2. chemical reaction accompanied by the absorption of energy, usually heat or light
  3. chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions
  4. exothermic reaction with a hydrocarbon and oxygen as reactants and carbon dioxide and water as products
  5. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  6. the speed that a chemical reaction changes reactants into products
  7. chemical reaction that releases energy, usually as light or heat
  8. a number placed in front of an element of compound formula in a chemical equation to help balance the equation
  9. type of reaction in which multiple reactants combine to form a single product
  10. the amount if a substance in a given amount of space
  11. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  12. minimum energy required to get a chemical reaction started
  13. a solid product that forms after a chemical reaction of two liquids

24 Clues: a chemical reaction that can be undone • the amount if a substance in a given amount of space • minimum energy required to get a chemical reaction started • chemical reaction that releases energy, usually as light or heat • the speed that a chemical reaction changes reactants into products • a solid product that forms after a chemical reaction of two liquids • ...

Chemical Reaction Vocab 2018-02-15

Chemical Reaction Vocab crossword puzzle
Across
  1. the combining power of an element
  2. able to be drawn out into a thin wire
  3. study of chemical systems
  4. depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus
  5. taking place between molecules
  6. a molecule in which a concentration of positive electric charge is separated from a concentration of negative charge
  7. fairly judged or presented
  8. A chemical bond formed between two ions with opposite charges
  9. resembling metal or metals
  10. a negatively charged ion
Down
  1. dot diagram
  2. relating to chemistry or the interactions of substances as studied in chemistry
  3. a chemical element with symbol H
  4. chemical bonds formed by the sharing of electrons between atoms
  5. able to be hammered or pressed permanently out of shape without breaking or cracking
  6. to dissolve in a solid, liquid, or gaseous solvent
  7. an action performed
  8. a positively charged ion
  9. a statement that the values of two mathematical expressions are equal
  10. a molecule with a net electric charge due to the loss or gain of one or more electrons

20 Clues: dot diagram • an action performed • a positively charged ion • a negatively charged ion • study of chemical systems • fairly judged or presented • resembling metal or metals • taking place between molecules • a chemical element with symbol H • the combining power of an element • able to be drawn out into a thin wire • to dissolve in a solid, liquid, or gaseous solvent • ...

chapter 5 2023-01-09

chapter 5 crossword puzzle
Across
  1. releases heat, causing the temperature of the immediate surroundings to rise
  2. developed the modern system of naming chemical substances
  3. a character, usually a letter or number, that's printed slightly below and to the side of another character
  4. the construction of complex chemical compounds from simpler ones
  5. the minimum amount of energy that is required to activate atoms or molecules
  6. a substance that delays slows or prevents a chemical reaction
  7. an equation for a chemical reaction in which the number of atoms for each element in the reaction
  8. is when parts of two ionic compounds are exchanged, making two new compounds
Down
  1. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance
  2. mass is neither created nor destroyed in chemical reactions
  3. is a chemical reaction in which one reactant breaks down into two or more products
  4. substances initially present in a chemical reaction are consumed during the reaction to make products
  5. is a chemical reaction accompanied by the absorption of heat
  6. a process that involves the rearrangement of the molecular or ionic structure of a substance
  7. when oxygen combines with an element or a compound, forming an oxide
  8. is a reaction in which one element is substituted for another element
  9. proteins that help speed up metabolism, or the chemical reactions in our bodies
  10. an insoluble solid that emerges from a liquid solution
  11. A number placed in front of a formula to balance a chemical equation
  12. a substance that is formed as the result of a chemical reaction
  13. any substance that increases the rate of a reaction without itself being consumed

21 Clues: an insoluble solid that emerges from a liquid solution • developed the modern system of naming chemical substances • mass is neither created nor destroyed in chemical reactions • is a chemical reaction accompanied by the absorption of heat • a substance that delays slows or prevents a chemical reaction • ...

chapter 5 2023-01-09

chapter 5 crossword puzzle
Across
  1. is a reaction in which one element is substituted for another element
  2. a process that involves the rearrangement of the molecular or ionic structure of a substance
  3. A number placed in front of a formula to balance a chemical equation
  4. developed the modern system of naming chemical substances
  5. proteins that help speed up metabolism, or the chemical reactions in our bodies
  6. a character, usually a letter or number, that's printed slightly below and to the side of another character
  7. is when parts of two ionic compounds are exchanged, making two new compounds
  8. any substance that increases the rate of a reaction without itself being consumed
  9. the construction of complex chemical compounds from simpler ones
  10. substances initially present in a chemical reaction are consumed during the reaction to make products
Down
  1. when oxygen combines with an element or a compound, forming an oxide
  2. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance
  3. mass is neither created nor destroyed in chemical reactions
  4. the minimum amount of energy that is required to activate atoms or molecules
  5. releases heat, causing the temperature of the immediate surroundings to rise
  6. is a chemical reaction accompanied by the absorption of heat
  7. an equation for a chemical reaction in which the number of atoms for each element in the reaction
  8. a substance that is formed as the result of a chemical reaction
  9. an insoluble solid that emerges from a liquid solution
  10. is a chemical reaction in which one reactant breaks down into two or more products
  11. a substance that delays slows or prevents a chemical reaction

21 Clues: an insoluble solid that emerges from a liquid solution • developed the modern system of naming chemical substances • mass is neither created nor destroyed in chemical reactions • is a chemical reaction accompanied by the absorption of heat • a substance that delays slows or prevents a chemical reaction • ...

Chemical Reactions 2024-04-08

Chemical Reactions crossword puzzle
Across
  1. A sign of a chemical reaction is unexpected _____ change, like in handwarmers.
  2. The atoms in ____ form a repeating pattern.
  3. Heating a chemical reaction usually causes it to _____ up.
  4. The ____ points to the products in a chemical reaction.
  5. A physical change does NOT result in a new _____.
  6. Burning is a chemical change because a ___ substance is made.
  7. A physical change that can happen to ice cubes.
  8. Adding a ____ can speed up a chemical reaction.
  9. Molecules with low melting points are ___ molecules.
  10. A solid formed from two liquids during a chemical reaction is called a ____.
  11. One of the products from burning methane is _____.
  12. Adding more reactants to a chemical reaction would produce more ____.
Down
  1. Burning a marshmallow is a _____.
  2. One sign of a chemical reaction is the formation of gas, which usually looks like ____.
  3. Cutting an apple in half is a _____.
  4. A chemical change that iron can undergo is _____.
  5. Salt has more than one element bonded together so it is a ____ molecule.
  6. Air is a ___ of gases that can be separate.
  7. A physical change of paper that results in smaller pieces.
  8. A chemical reaction that can happen to a silver spoon.
  9. An example of an ____ is oxygen.
  10. A chemical reaction must be _____.
  11. The bonds in the _____ are broken during a chemical reaction.
  12. Breaking apart ____ yields hydrogen and oxygen.

24 Clues: An example of an ____ is oxygen. • Burning a marshmallow is a _____. • A chemical reaction must be _____. • Cutting an apple in half is a _____. • The atoms in ____ form a repeating pattern. • Air is a ___ of gases that can be separate. • A physical change that can happen to ice cubes. • Adding a ____ can speed up a chemical reaction. • ...

States of Matter and Chemical Reactions 2024-05-08

States of Matter and Chemical Reactions crossword puzzle
Across
  1. Transition from gas to solid without passing through the liquid state
  2. Transition from solid to gas without passing through the liquid state
  3. Transition from liquid to solid
  4. State of matter with charged particles
  5. A type of chemical reaction that involves burning
  6. State in which the forward and reverse reactions occur at the same rate
  7. A substance that speeds up a chemical reaction without being consumed
  8. Solid formed in a solution during a chemical reaction
  9. Transition from gas to liquid
  10. Rate Speed at which a chemical reaction occurs
  11. A substance that is produced in a chemical reaction
  12. Transition from solid to liquid
  13. State of matter with a definite volume but no definite shape
Down
  1. Type of chemical reaction that releases energy
  2. Transition from liquid to gas at a surface
  3. State of matter with no definite shape or volume
  4. A reaction between an acid and a base, forming water and a salt
  5. A substance that is consumed during a chemical reaction
  6. Type of chemical reaction that absorbs energy
  7. State of matter with a definite shape and volume

20 Clues: Transition from gas to liquid • Transition from liquid to solid • Transition from solid to liquid • State of matter with charged particles • Transition from liquid to gas at a surface • Type of chemical reaction that absorbs energy • Type of chemical reaction that releases energy • Rate Speed at which a chemical reaction occurs • ...

Chemical Reactions 2025-01-24

Chemical Reactions crossword puzzle
Across
  1. A small number written to the right of an element in a chemical formula indicating the number of atoms.
  2. A substance that speeds up a chemical reaction without being consumed.
  3. A solution where water is the solvent.
  4. A substance present at the start of a chemical reaction.
  5. A number in a chemical equation that shows the quantity of a substance.
  6. A process that involves the rearrangement of atoms to form new substances.
  7. A chemical equation with equal numbers of each type of atom on both sides.
  8. A substance that undergoes change during a chemical reaction.
  9. Numbers placed before chemical formulas in an equation to balance it.
  10. The reaction where products reform into reactants.
  11. A chemical reaction that typically involves oxygen and produces heat and light.
  12. A solid that forms and settles out of a liquid mixture during a chemical reaction.
  13. States that matter is neither created nor destroyed during a chemical reaction.
  14. A small number in a chemical formula indicating the number of atoms of an element.
  15. A substance that is formed as the result of a chemical reaction.
Down
  1. The substances produced during a chemical reaction.
  2. A symbolic representation of a chemical reaction.
  3. A state in which the forward and reverse reactions occur at the same rate.
  4. Indicators such as color change, temperature change, gas formation, or precipitate formation.
  5. A combination of symbols that shows the ratio of elements in a compound.
  6. The reaction where reactants form products.
  7. A reaction where one element replaces another in a compound.
  8. A chemical reaction in which the products can react to reform the reactants.
  9. A reaction where two or more substances combine to form one compound.
  10. A change in state or appearance that does not create a new substance.
  11. A reaction that releases heat to its surroundings.
  12. A reaction that absorbs heat from its surroundings.
  13. A numerical value that expresses the ratio of product concentrations to reactant concentrations at equilibrium.
  14. A change that produces one or more new substances.
  15. A chemical reaction where one compound breaks down into simpler substances.

30 Clues: A solution where water is the solvent. • The reaction where reactants form products. • A symbolic representation of a chemical reaction. • A reaction that releases heat to its surroundings. • A change that produces one or more new substances. • The reaction where products reform into reactants. • The substances produced during a chemical reaction. • ...

8 Ch2 Science Drennan 2021-09-23

8 Ch2 Science Drennan crossword puzzle
Across
  1. Reaction is a chemical reaction that releases thermal energy.
  2. A reaction, the negative ions in two compounds switch places, forming two new compounds.
  3. A description of a reaction using element symbols and chemical formulas.
  4. The starting substances in a chemical reaction.
  5. The minimum amount of energy needed to start a chemical reaction.
  6. A reaction, one compound breaks down and forms two or more substances.
Down
  1. A process in which atoms of one or more substances rearrange to form one or more new substnces.
  2. A number placed in front of an element symbol or chemical formula in an equation.
  3. A reaction, one element replaces another element in a compound.
  4. A chemical reaction in which a substance combines with oxygen and releases energy.
  5. The substances produced by the chemical reaction.
  6. A type of chemical reaction in which two or more substances combine and form one compound
  7. States that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.
  8. A catalyst that speeds up chemical reactions in living cells.
  9. A substance that increases reaction rate by lowering the activation energy of a reaction.
  10. Chemical reactions that absorb thermal energy.
  11. A substance that slows, or even stops, a chemical reaction.

17 Clues: Chemical reactions that absorb thermal energy. • The starting substances in a chemical reaction. • The substances produced by the chemical reaction. • A substance that slows, or even stops, a chemical reaction. • Reaction is a chemical reaction that releases thermal energy. • A catalyst that speeds up chemical reactions in living cells. • ...

8th grade chpt 4 Chemical Reactions 2021-11-05

8th grade chpt 4 Chemical Reactions crossword puzzle
Across
  1. in this type of reaction, one complex compound will break down into simpler ones
  2. ___ energy is the minimum amount of energy needed for a reaction to take place
  3. 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
  4. a chemical reaction occurs when existing chemical ___ are broken and new ones may be made
  5. increasing this will cause particles to move faster and will increase the reaction rate, lowering it will decrease the rate
  6. if chemical change ___, it may indicate a chemical reaction has taken place
  7. this type of reaction takes simple things and combines them to make them more complex
  8. a compound that prevents or slows down a chemical reaction
  9. the Law of ___ __ ___ states matter cannot be created nor destroyed, only changed
  10. crushing or breaking something up will increase the __ __ of the substance and allow more surfaces for the reaction to take place
  11. type of reaction that absorbs energy as it happens
  12. this number in front of a compound in a chemical equation tells you how many molecules of that compound there are
  13. in this type of reaction, positive ions of both compound switch places
  14. a chemical ___ shows the number of chemicals and how they react to form now substances
  15. the arrow in a chemical equation means this word
  16. these/this is any compound that is reacting, it is on the left side of the arrow in a chemical equation
  17. in this type of reaction, one substance changes places with another
Down
  1. these are catalysts in our body that speed up chemical reactions
  2. a ___ change is one in which the appearance of the matter changes, it does not change what it is
  3. a solid may form when 2 liquids react, it is called this, a ___
  4. if this (tiny bubbles) are produced during a reaction, it may indicate a chemical reaction
  5. you can put chemical inhibitors called ___ onto food to keep them from decaying
  6. in this type of chemical reaction system, the environment can influence the reaction, or matter can enter and escape from the reaction
  7. the amount of __ in a given volume is concentration
  8. in this type of reaction system, the reaction is contained, matter cannot enter or exit
  9. a ___ change occurs when a new substance is created
  10. adding water or another solvent to a solution will ____ the mixture and could slow down the reaction
  11. the things that are produced in a chemical reaction
  12. type of reaction that gives off energy
  13. all the atoms of each element reacting in a chemical equation must ___ the number of atoms that are being produced.
  14. a compound that speeds up a chemical reaction without itself being consumed

31 Clues: type of reaction that gives off energy • the arrow in a chemical equation means this word • type of reaction that absorbs energy as it happens • the amount of __ in a given volume is concentration • a ___ change occurs when a new substance is created • the things that are produced in a chemical reaction • a compound that prevents or slows down a chemical reaction • ...

vocab 2024-02-28

vocab crossword puzzle
Across
  1. reaction: A chemical reaction in which a compound breaks down into simpler substances. This is the opposite of a synthesis reaction.
  2. reaction: A chemical reaction in which a substance combines rapidly with oxygen, often producing heat and light. Typically, this involves the reaction of a hydrocarbon with oxygen to produce carbon dioxide and water.
  3. mass: The mass of one mole of a substance, typically expressed in grams per mole (g/mol).
  4. equation: A symbolic representation of a chemical reaction, with reactants on the left side and products on the right side.
  5. replacement reaction: A chemical reaction where ions exchange between two compounds to form two new compounds. This often involves the exchange of cations and anions.
  6. reaction: A chemical reaction in which two or more substances combine to form a more complex product. Also known as a combination reaction.
  7. formula: The simplest whole number ratio of atoms of each element in a compound.
  8. composition: The percentage by mass of each element in a compound.
  9. An insoluble solid formed in a chemical reaction when certain ions in solution combine to form a solid compound.
Down
  1. A number placed in front of a chemical formula in a balanced equation to indicate the relative amounts of reactants and products.
  2. A unit of measurement used in chemistry to express amounts of a chemical substance. One mole of any substance contains Avogadro's number of atoms, molecules, or formula units.
  3. Substances present at the beginning of a chemical reaction that undergo chemical changes.
  4. replacement reaction: A chemical reaction where an element replaces another element in a compound, typically involving a metal replacing the cation in a compound.
  5. reaction: A process in which one or more substances (reactants) are transformed into one or more different substances (products) with new chemical and physical properties.
  6. Substances formed as a result of a chemical reaction.
  7. Number: The number of atoms, ions, or molecules in one mole of a substance, approximately
  8. ratio: The ratio of the amounts of substances in a chemical reaction, based on the coefficients in a balanced chemical equation.
  9. A compound that has water molecules loosely bound to its ions.
  10. formula: A chemical formula that indicates the actual number of atoms of each element in a molecule.
  11. of Conservation of Matter: The principle that matter cannot be created or destroyed in a chemical reaction, only rearranged.

20 Clues: Substances formed as a result of a chemical reaction. • A compound that has water molecules loosely bound to its ions. • composition: The percentage by mass of each element in a compound. • formula: The simplest whole number ratio of atoms of each element in a compound. • Substances present at the beginning of a chemical reaction that undergo chemical changes. • ...

Reaction Rates-- Chapter 4 2023-01-16

Reaction Rates-- Chapter 4 crossword puzzle
Across
  1. a(an) __ system is one where to matter is allowed to leave or enter.
  2. the number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant & product are involved in a reaction
  3. ____ energy is the minimum about of energy needed to start a chemical reaction
  4. a chemical _____ is a short easy way to show a chemical reaction using symbols
  5. a solid that forms from a solution during a chemical reaction
  6. a chemical reaction that breaks down compounds into simpler products
  7. an ______ reaction is a reaction that absorbs energy
  8. any change in matter that produces a new substance
  9. a chemical reaction in which two or more simple substances combine to form a new more complex substance
  10. a reaction in which one element replaces another in a compound or when two elements in different compounds trade places
Down
  1. a material that increases the rate of a reaction by lowering the activation energy
  2. a material that decreases the rate of reaction
  3. a substance formed as a result of a chemical reaction
  4. a substance that enters into a chemical reaction
  5. a(an)___ system is one where matter can enter from or escape to the surroundings
  6. an ____ reaction is a reaction that releases energy (usually in the form of heat)
  7. any change that alters form or appearance of a substance
  8. the amount of one material in a certain volume of another material
  9. a type of protein that speeds up a chemical reaction in a living thing

19 Clues: a material that decreases the rate of reaction • a substance that enters into a chemical reaction • any change in matter that produces a new substance • an ______ reaction is a reaction that absorbs energy • a substance formed as a result of a chemical reaction • any change that alters form or appearance of a substance • ...

Biology Vocab 2015-09-06

Biology Vocab crossword puzzle
Across
  1. organic molecule used by living organisms
  2. polymer composed by amino acids
  3. sugar
  4. substance formed by chemical reaction
  5. molecule that makes up proteins
  6. molecule composed of carbon hydrogen and oxygen includes sugars and starches
  7. substance that decreases activation energy
  8. energy input needed for a chemical reaction
  9. polymer of nucleotides
  10. chemical reaction in which water is made
  11. reactants in a chemical reaction in which enzymes act
  12. large
  13. large carbon based molecule formed by monomers
  14. chemical reaction in which water is broken
  15. the substance dissolved in a given solution
  16. nonpolar molecules includes fats and oils
Down
  1. a substance that dissolves another to form a solution
  2. many
  3. carbohydrates monomer
  4. in which substances change into another
  5. attraction of atoms that makes up a chemical substance
  6. molecule subunit of a polymer
  7. protein that catalyzes chemical reactions
  8. substance that is changed by a chemical reaction
  9. monomer that forms DNA
  10. one
  11. enzyme

27 Clues: one • many • sugar • large • enzyme • carbohydrates monomer • polymer of nucleotides • monomer that forms DNA • molecule subunit of a polymer • polymer composed by amino acids • molecule that makes up proteins • substance formed by chemical reaction • in which substances change into another • chemical reaction in which water is made • organic molecule used by living organisms • ...

Chapter 11 Vocabulary 2023-03-20

Chapter 11 Vocabulary crossword puzzle
Across
  1. ratio, a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  2. substance that speeds up the rate of a chemical reaction
  3. equation, A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  4. reactant, a reactant that remains after a chemical reaction stops
  5. reaction, a chemical change in which a single compound is broken down into two or more simpler products
  6. reactant, the substance that controls the quantity of product that can form in a chemical reaction
  7. reaction, a chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light
  8. yield, the ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; a measure of the efficiency of a reaction
  9. series, a list of elements organized according to the ease with which the elements undergo certain chemical reactions
  10. replacement reaction, a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound
Down
  1. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  2. ionic equation, an equation that shows dissolved ionic compounds as dissociated free ions
  3. equation, a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  4. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  5. replacement reaction, a chemical reaction that occurs when the atoms of one element replace the atoms of another element in a compound
  6. reaction, two or more substances react to form one product
  7. reaction, a reaction in which two or more substances combine to form a new compound
  8. yield, the maximum amount of product that can be produced from a given amount of reactant
  9. yield, the measured amount of a product that is actually obtained from a reaction

19 Clues: substance that speeds up the rate of a chemical reaction • reaction, two or more substances react to form one product • reactant, a reactant that remains after a chemical reaction stops • yield, the measured amount of a product that is actually obtained from a reaction • reaction, a reaction in which two or more substances combine to form a new compound • ...

Santos Cordova 2017-02-27

Santos Cordova crossword puzzle
Across
  1. replacement type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  2. consists of two atoms
  3. replacement is a type of chemical reaction where two compounds react,
  4. cause (a substance) to be deposited in solid form from a solution
  5. A half-reaction in which a chemical species decreases its oxidation number, usually by gaining electrons.
  6. a substance that takes part in and undergoes change during a reaction.
  7. analysis or breakdown is the separation of a chemical compound into elements or simpler compounds.
  8. chemical reaction chemical that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
  9. reaction or direct combination reaction is one of the most common types of chemical reactions.
Down
  1. a substance that speeds up a chemical reaction, but is not consumed by the reaction
  2. amount of product obtained in a chemical reaction.
  3. the process or result of oxidizing or being oxidized.
  4. . electrolysisA product is a new material formed in a chemical reaction.
  5. A number or symbol multiplied with a variable or an unknown quantity in an algebraic term
  6. chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  7. equation the symbolic representation of a chemical reaction
  8. ion charged chemical species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit.
  9. compound chemical compound that contains exactly two different elements.
  10. pertaining to, related to, similar to, or dissolved in water.

19 Clues: consists of two atoms • amount of product obtained in a chemical reaction. • the process or result of oxidizing or being oxidized. • equation the symbolic representation of a chemical reaction • pertaining to, related to, similar to, or dissolved in water. • cause (a substance) to be deposited in solid form from a solution • ...