chemical reaction Crossword Puzzles

Unit B - Matter and Chemical Change Crossword 2017-11-10

Unit B - Matter and Chemical Change Crossword crossword puzzle
Across
  1. Anything that has mass and occupies space
  2. Is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  3. Is a slow chemical change
  4. Organic catalysts
  5. A change in matter that is non-reversible
  6. When non-metals combine
  7. Chemical combination of two or more elements in a specific ratio
  8. An atom or a group of atoms that had been electrically charged
  9. Cloudy mixture that can't be separated
  10. Occurs when two or more materials react and create new materials
  11. A substance that reacts with a substance
  12. An experiment in which one or more products of a chemical reaction can escape
  13. Is a chemical reaction that takes place in the cells in your body
  14. Anything on the periodic table, made of one atom
Down
  1. Releases heat energy
  2. Cloudy mixture that can be separated
  3. metal + non-metal
  4. The speed of a chemical reaction
  5. Mixture of two or more pure substances that looks like one substance
  6. Total mass of these products is always the same as the total mass of the reactants
  7. A change in matter that is reversible
  8. A new substance created with a chemical reaction
  9. Absorbs heat energy
  10. Workplace Hazardous Material Information System (abbreviation)
  11. Are substances that help a reaction proceed faster

25 Clues: metal + non-metal • Organic catalysts • Absorbs heat energy • Releases heat energy • When non-metals combine • Is a slow chemical change • The speed of a chemical reaction • Cloudy mixture that can be separated • A change in matter that is reversible • Cloudy mixture that can't be separated • A substance that reacts with a substance • Anything that has mass and occupies space • ...

Unit B - Matter and Chemical Change Crossword 2017-11-10

Unit B - Matter and Chemical Change Crossword crossword puzzle
Across
  1. Is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  2. Cloudy mixture that can be separated
  3. A change in matter that is non-reversible
  4. Releases heat energy
  5. An experiment in which one or more products of a chemical reaction can escape
  6. When non-metals combine
  7. Chemical combination of two or more elements in a specific ratio
  8. An atom or a group of atoms that had been electrically charged
  9. The speed of a chemical reaction
  10. Is a chemical reaction that takes place in the cells in your body
  11. A new substance created with a chemical reaction
  12. A change in matter that is reversible
  13. Are substances that help a reaction proceed faster
Down
  1. Workplace Hazardous Material Information System (abbreviation)
  2. metal + non-metal
  3. Mixture of two or more pure substances that looks like one substance
  4. Occurs when two or more materials react and create new materials
  5. Absorbs heat energy
  6. Is a slow chemical change
  7. Total mass of these products is always the same as the total mass of the reactants
  8. Organic catalysts
  9. Anything that has mass and occupies space
  10. Anything on the periodic table, made of one atom
  11. A substance that reacts with a substance
  12. Cloudy mixture that can't be separated

25 Clues: metal + non-metal • Organic catalysts • Absorbs heat energy • Releases heat energy • When non-metals combine • Is a slow chemical change • The speed of a chemical reaction • Cloudy mixture that can be separated • A change in matter that is reversible • Cloudy mixture that can't be separated • A substance that reacts with a substance • A change in matter that is non-reversible • ...

Chemistry Crossword 2014-11-04

Chemistry Crossword crossword puzzle
Across
  1. Positively charged particle in the nucleus of an atom
  2. Chemical reaction that occurs when oxygen reacts with a substance to form a new substance that gives off energy
  3. A material changes from one state to another
  4. Chemical reaction that takes place in cells
  5. Measured by atomic mass unit
  6. The most reactive of the metals
  7. Two or more materials react and create a new substance
  8. Horizontal row of elements in the periodic table
  9. Invisible negatively charged particle that orbits the nucleus of an atom
  10. The most stable and unreactive elements
  11. Catalyst involved in chemical reactions in living things
  12. Pure substance formed when non metals combine
  13. Solid liquid gas and plasma
  14. Slow chemical change that occurs when oxygen in the air reacts with a metal
  15. Element that has both metallic and non metallic properties
Down
  1. An experiment in which one or more products of the chemical reaction can escape
  2. The law that states that matter is not created or destroyed in a chemical reaction
  3. Combination of symbols that represent a compound
  4. The fourth state of matter
  5. Pure substance formed when at least one metal and one non metal combine
  6. The most reactive non metals
  7. An experiment where all reactants and products of a chemical reaction are accounted for
  8. Substances that help a chemical reaction to proceed more quickly
  9. Vertical column of elements in the periodic table
  10. Neutral particle in the nucleus of an atom

25 Clues: The fourth state of matter • Solid liquid gas and plasma • Measured by atomic mass unit • The most reactive non metals • The most reactive of the metals • The most stable and unreactive elements • Neutral particle in the nucleus of an atom • Chemical reaction that takes place in cells • A material changes from one state to another • ...

SNC 2D1 March Break Review Winter 2025 2025-03-15

SNC 2D1 March Break Review Winter 2025 crossword puzzle
Across
  1. Mass of products must be ______ to the mass of the reactants
  2. Cutting carrots is an example of this type of change
  3. Reaction that ends with a single chemical
  4. Positive ion
  5. NaOH
  6. Law of _______ of mass
  7. The starting chemicals in a chemical reaction
  8. Dihydrogen monoxide
  9. BeO
  10. The third orbit can hold a max of 8
  11. The ability of a substance to reflect light
  12. Charged atom
  13. Chemical with a pH greater than 7
  14. Positively charged subatomic particles
  15. Change where a new substance is produced
Down
  1. CCl4
  2. LiCl
  3. N2O3
  4. The outer orbit
  5. Reaction that starts with one chemical
  6. MgSO
  7. Group of atoms that act as a single ion

22 Clues: BeO • CCl4 • LiCl • N2O3 • NaOH • MgSO • Positive ion • Charged atom • The outer orbit • Dihydrogen monoxide • Law of _______ of mass • Chemical with a pH greater than 7 • The third orbit can hold a max of 8 • Reaction that starts with one chemical • Positively charged subatomic particles • Group of atoms that act as a single ion • Change where a new substance is produced • ...

Melanie Sanchez Crossword 2017-02-27

Melanie Sanchez Crossword crossword puzzle
Across
  1. when a chemical's oxidation decreases
  2. to be deposited in solid form from a solution
  3. being combined with oxygen
  4. chemical decomposition produced by passing an electric current through a liquid
  5. two are replaced, AB + CD → AD + CB
  6. reactant on left side and product on right side
  7. the amount of product obtained in a chemical reaction
  8. anytime something burns
  9. new material formed in a chemical reaction
Down
  1. dissolved in water
  2. one is replaced, AB + C → AC + B
  3. a substance that takes part in and undergoes change during a reaction
  4. combination, A + B → AB
  5. a chemical compound that contains exactly two different elements
  6. composed of two or more atoms that are covalently bonded
  7. a substance that speeds up a chemical reaction
  8. the number next to the atomic symbol in a chemical equation
  9. breaking down, AB → A + B
  10. consisting of two atoms

19 Clues: dissolved in water • combination, A + B → AB • consisting of two atoms • anytime something burns • breaking down, AB → A + B • being combined with oxygen • one is replaced, AB + C → AC + B • two are replaced, AB + CD → AD + CB • when a chemical's oxidation decreases • new material formed in a chemical reaction • to be deposited in solid form from a solution • ...

Chapter 7 science vocab 2023-01-03

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

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

CHEMICAL EQUATIONS 2025-08-21

CHEMICAL EQUATIONS crossword puzzle
Across
  1. Reaction that absorbs heat from surroundings
  2. A more reactive element replaces a less reactive one
  3. A process in which new substances are formed
  4. A symbolic representation of a chemical reaction
  5. A group of atoms bonded together
  6. Evidence of reaction when bubbles or fumes are produced
  7. An insoluble solid formed in a reaction between solutions
  8. One substance breaking into two or more simpler ones
Down
  1. Type of chemical bond between a metallic element and a nonmetallic one
  2. Two or more substances forming one product
  3. Substances formed after a chemical reaction
  4. Making sure atoms are equal on both sides of an equation
  5. Evidence of reaction related to light
  6. Reaction that releases heat or light energy
  7. Substances present before a chemical change
  8. Gradual damage of metals by air, moisture, or chemicals

16 Clues: A group of atoms bonded together • Evidence of reaction related to light • Two or more substances forming one product • Substances formed after a chemical reaction • Reaction that releases heat or light energy • Substances present before a chemical change • Reaction that absorbs heat from surroundings • A process in which new substances are formed • ...

Unit 5 Enzymatic Activity 2025-07-03

Unit 5 Enzymatic Activity crossword puzzle
Across
  1. The part of the enzyme’s active site where the chemical reaction actually happens.
  2. The idea that each enzyme only catalyzes one type of chemical reaction.Competitive
  3. Inhibition where the inhibitor binds to another site on the enzyme and reduces its activity.
  4. A change in the shape of an enzyme (usually caused by heat or pH) that makes it stop working properly.
  5. The idea that each enzyme can only bind to a particular substrate.
  6. Site on an enzyme where a regulator binds, away from the active site.
  7. All the chemical reactions that happen in the cells of a living organism to keep it alive and functioning.
Down
  1. The part of the enzyme’s active site where the substrate attaches.
  2. A substance formed as a result of a chemical reaction.
  3. The substance that an enzyme acts on during a chemical reaction.
  4. A protein that speeds up (catalyzes) a chemical reaction in the body without being used up.
  5. A starting substance in a chemical reaction.
  6. A process where substances (reactants) are changed into new substances (products).
  7. The specific part of the enzyme where the substrate binds and the reaction takes place.
  8. Inhibition where the inhibitor competes with the substrate for the enzyme’s active site.
  9. A substance that speeds up a chemical reaction without being changed itself — enzymes are biological catalysts.
  10. Inhibition where the final product of a pathway stops an earlier reaction.

17 Clues: A starting substance in a chemical reaction. • A substance formed as a result of a chemical reaction. • The substance that an enzyme acts on during a chemical reaction. • The part of the enzyme’s active site where the substrate attaches. • The idea that each enzyme can only bind to a particular substrate. • ...

Chemical changes revision part 2 2018-11-12

Chemical changes revision part 2 crossword puzzle
Across
  1. The most reactive metal
  2. This acids forms chloride salts
  3. A chemical reaction where the more reactive metal can remove the less reactive mnetal from a compound
  4. This is the substance that is made in a chemical reaction
  5. This is the substance you start with in a chemical reaction
  6. This is a chemical reaction in which oxygen is lost/take away
  7. The reaction between an acid and an alkali
  8. The chemical name for burning
  9. This word can describe dangerous acids
  10. These feel soapy
Down
  1. Pure metals have these, they can slide over each other so the metal can bend
  2. This means metal can be hammered into shape
  3. This is the name of the salts formed when reacting with Nitric acid
  4. This is a list of metals in order of how reactive they are
  5. Sulphuric acid makes salts called...
  6. This means the metal will not react
  7. The least reactive metal
  8. This word can describe dangerous alkalis
  9. These compounds are formed when metals react with oxygen
  10. This is a chemical reaction that involves adding oxygen
  11. A compound found in rocks from which we can extract metals
  12. This means metals can be drawn into wires
  13. These give things a sour taste
  14. A mixture of metals. These are stronger than pure metals/

24 Clues: These feel soapy • The most reactive metal • The least reactive metal • The chemical name for burning • These give things a sour taste • This acids forms chloride salts • This means the metal will not react • Sulphuric acid makes salts called... • This word can describe dangerous acids • This word can describe dangerous alkalis • This means metals can be drawn into wires • ...

Melanie Sanchez Crossword 2017-02-27

Melanie Sanchez Crossword crossword puzzle
Across
  1. being combined with oxygen
  2. breaking down, AB → A + B
  3. to be deposited in solid form from a solution
  4. one is replaced, AB + C → AC + B
  5. new material formed in a chemical reaction
  6. reactant on left side and product on right side
  7. anytime something burns
  8. composed of two or more atoms that are covalently bonded
  9. consisting of two atoms
  10. when a chemical's oxidation decreases
  11. the amount of product obtained in a chemical reaction
Down
  1. the number next to the atomic symbol in a chemical equation
  2. a substance that speeds up a chemical reaction
  3. two are replaced, AB + CD → AD + CB
  4. a chemical compound that contains exactly two different elements
  5. chemical decomposition produced by passing an electric current through a liquid
  6. combination, A + B → AB
  7. a substance that takes part in and undergoes change during a reaction
  8. dissolved in water

19 Clues: dissolved in water • combination, A + B → AB • anytime something burns • consisting of two atoms • breaking down, AB → A + B • being combined with oxygen • one is replaced, AB + C → AC + B • two are replaced, AB + CD → AD + CB • when a chemical's oxidation decreases • new material formed in a chemical reaction • to be deposited in solid form from a solution • ...

Melanie Sanchez Crossword 2017-02-27

Melanie Sanchez Crossword crossword puzzle
Across
  1. one is replaced, AB + C → AC + B
  2. to be deposited in solid form from a solution
  3. being combined with oxygen
  4. a chemical compound that contains exactly two different elements
  5. a substance that speeds up a chemical reaction
Down
  1. when a chemical's oxidation decreases
  2. anytime something burns
  3. chemical decomposition produced by passing an electric current through a liquid
  4. reactant on left side and product on right side
  5. two are replaced, AB + CD → AD + CB
  6. new material formed in a chemical reaction
  7. composed of two or more atoms that are covalently bonded
  8. combination, A + B → AB
  9. a substance that takes part in and undergoes change during a reaction
  10. dissolved in water
  11. breaking down, AB → A + B
  12. the number next to the atomic symbol in a chemical equation
  13. consisting of two atoms
  14. the amount of product obtained in a chemical reaction

19 Clues: dissolved in water • anytime something burns • combination, A + B → AB • consisting of two atoms • breaking down, AB → A + B • being combined with oxygen • one is replaced, AB + C → AC + B • two are replaced, AB + CD → AD + CB • when a chemical's oxidation decreases • new material formed in a chemical reaction • to be deposited in solid form from a solution • ...

Chemistry crossword (Abhinav.B 10N) 2024-05-02

Chemistry crossword (Abhinav.B 10N) crossword puzzle
Across
  1. An equation depicted as simple form of a chemical reaction
  2. Common name for dihydrogen oxide
  3. Condition (other than water) needed for corrosion
  4. Reaction which takes place when a substance comes in contact with oxygen
  5. A reaction where a more reactive substance pushes a less reactive one from a compound
  6. Substance (s)present at the start of a chemical reaction
  7. A reaction where energy is released
  8. Another word for oxidation reduction
Down
  1. An equation where the number of atoms of each type in the reaction is the same on both reactants and product sides
  2. Process of slow deterioration of metals
  3. Color of FeSO4
  4. An equation which is written in basic words
  5. Common name for iron oxide
  6. Helps a chemical reaction occur
  7. Substance(s)present at the end of a chemical reaction
  8. A reaction where energy is absorbed

16 Clues: Color of FeSO4 • Common name for iron oxide • Helps a chemical reaction occur • Common name for dihydrogen oxide • A reaction where energy is released • A reaction where energy is absorbed • Another word for oxidation reduction • Process of slow deterioration of metals • An equation which is written in basic words • Condition (other than water) needed for corrosion • ...

chemistry crossword 2014-11-06

chemistry crossword crossword puzzle
Across
  1. anything that has mass and occupies space
  2. number of protons in the nucleus of one atom of an element
  3. change in the appearance or state of a substance that does not change the composition
  4. a combination of symbols that represent a compound
  5. a chemical reaction that takes place in cells
  6. material that cannot be broken down into any simple substance
  7. a table in which the elements are organized by their physical and chemical properties
  8. an experiment in which all reactants and products of a chemical reaction are accounted for
  9. horizontal row in the periodic table
  10. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substances
Down
  1. chemical reaction that releases energy
  2. vertical columns in the periodic table
  3. a reaction that takes place when two or more substances react to form new substances
  4. pure substance formed when non metals combine
  5. workplace hazardous materials information system
  6. positively charged particle in the nucleus of an atom
  7. substances that help a reaction proceed faster
  8. chemical reaction that absorbs energy
  9. change that results when tow or more substance react to create a different substance or substances
  10. substance made of only one kind of matter, which has a unique set of properties
  11. an experiment in which one or more products of a chemical reaction can escape
  12. change of state from a liquid to a gas
  13. chemical reaction that occurs when oxygen reacts with a substance to form a new substance an give off energy
  14. when two or more elements combine chemically
  15. atom that has become electrically charged because it has lost or gained electrons

25 Clues: horizontal row in the periodic table • chemical reaction that absorbs energy • chemical reaction that releases energy • vertical columns in the periodic table • change of state from a liquid to a gas • anything that has mass and occupies space • when two or more elements combine chemically • pure substance formed when non metals combine • ...

Chemistry 1 terms 2021-11-08

Chemistry 1 terms crossword puzzle
Across
  1. a solid that is produced as a result of a chemical reaction in solution
  2. the process by which one or more substances change to produce one or more different substances
  3. a measure of how hot or cold something is
  4. a substance that forms into a chemical reaction
  5. a representation of the recants and products of a chemical reaction by their symbols or formulas
  6. absorption of heat
  7. a substance or molecule that participates in a chemical reaction
  8. changing the ____ can make slower or faster
Down
  1. a small whole number that appears as a factor in front of a formula in a chemical equation
  2. the rate at which a chemical reaction takes place
  3. a chemical reaction in which the products re-form the original reactants
  4. releasing heat
  5. an equation in which the reactants and product in a chemical reaction are represented by words
  6. the amount of a particle substance in a given quantity of a mixture, solution, or ore
  7. the acceleration of a chemical reaction by a ______

15 Clues: releasing heat • absorption of heat • a measure of how hot or cold something is • changing the ____ can make slower or faster • a substance that forms into a chemical reaction • the rate at which a chemical reaction takes place • the acceleration of a chemical reaction by a ______ • a substance or molecule that participates in a chemical reaction • ...

Chemical Reactions 2024-02-18

Chemical Reactions crossword puzzle
Across
  1. a reaction in which the cationic or the anionic species switch places, creating two new products
  2. substance that takes part in and undergoes change during a reaction.
  3. substance that is in a gaseous, or vaporous, state of matter
  4. quantity of matter within a given object
  5. particle of matter that uniquely defines a chemical element
  6. a reaction that occurs when two compounds interact to form one new compound
  7. single or double replacement reaction in which one product is a solid
  8. small-sized number on the bottom right of the symbol.
  9. when a substance reacts with oxygen, forming light and heat in the form of fire
  10. a reaction that occurs when a compound breaks down into two or more compounds
  11. chemical bond in which one atom loses valence electrons and gains them from another
  12. anything that takes up space and can be weighed.
  13. number in front of the formula.
  14. negatively charged nonmetal ion
Down
  1. equations with simply the chemical formulas of the products and reactants
  2. in a chemical reaction mass is neither created nor destroyed
  3. describes an approach that is used to name simple ionic and molecular compounds
  4. positively charged metal ion
  5. a reaction that occurs when a new compound is formed when one part of a compound is substituted for another part of a compound, creating two new compounds as products.
  6. symbolic representation of a chemical reaction in the form of symbols and formulae
  7. a double replacement reaction in which an acid reacts with a base to form water and salt
  8. chemical bonds formed by the sharing of electrons between atoms.
  9. an arrow that is placed after the reactant or reactants. and points in the direction of the products
  10. type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
  11. solution in which the solvent is water.
  12. equation where the number of atoms of each type in the reaction is the same on both reactants and product sides
  13. substance that is present at the end of a chemical reaction.
  14. represents a chemical reaction using the names of the substances involved
  15. group of atoms bonded together
  16. substance which exists in the solid-state,

30 Clues: positively charged metal ion • group of atoms bonded together • number in front of the formula. • negatively charged nonmetal ion • solution in which the solvent is water. • quantity of matter within a given object • substance which exists in the solid-state, • anything that takes up space and can be weighed. • small-sized number on the bottom right of the symbol. • ...

Chapter13 Zachary Ruch 2016-10-13

Chapter13 Zachary Ruch crossword puzzle
Across
  1. A reaction in which two or more substances combine to form a new compound.
  2. A substance that accepts hydrogens ions.
  3. A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light.
  4. Change that takes place when two or more substances (reactants) interact to form new substances (products).
  5. A reaction that ABSORBS energy in the form of heat.
  6. A reaction in which a single compound breaks down to form to or more simpler substance.
  7. When reaction and its reverse act at the same rate.
Down
  1. A reaction in which atoms of one element take the place of atoms of another element in a compound.
  2. A chemical substance that is present at the start of a chemical reaction.
  3. Raction when two elements or ions move out of one compound and into another-that is, two elements replace one element in two separate compounds.
  4. The minimum energy required in order for a chemical reaction to proceed.
  5. A reaction that releases energy in the form of heat.
  6. A substance produced in a chemical reaction.
  7. chemical agents that selectively speed up chemical reaction without being consumed by the reaction.
  8. Descripition of a substance that can behave as either an acid or a base.

15 Clues: A substance that accepts hydrogens ions. • A substance produced in a chemical reaction. • A reaction that ABSORBS energy in the form of heat. • When reaction and its reverse act at the same rate. • A reaction that releases energy in the form of heat. • The minimum energy required in order for a chemical reaction to proceed. • ...

Chapter 7 Vocabulary 2024-01-02

Chapter 7 Vocabulary crossword puzzle
Across
  1. energy stored in the bonds of chemical compounds
  2. chemical reaction in which the reactants absorb heat energy from the surroundings to form products
  3. a substance that takes part in and undergoes change during a reaction
  4. chemical reaction in which energy is released in the form of light or heat
  5. chemical reaction that includes a transfer of electrons between two species
  6. the number in front of the formula - tells how many molecules of a given formula are present
Down
  1. high-temperature exothermic redox chemical reaction between a fuel and an oxidant that produces oxidized, often gaseous products
  2. chemical reaction in which one element replaces another in a compound
  3. chemical reaction in which two ionic compounds are exchanged and form two new components
  4. chemical process in which simple elements or compounds combine to form a more complex product
  5. chemical process in which one reactant breaks down into two or more products
  6. unit of measurement for amount of substance - quantity proportional to the number of elementary entities of a substance
  7. species formed from chemical reactions
  8. the ratio between the mass and the amount of substance of any sample of said compound
  9. reaction rearrangement of the molecular or ionic structure of a substance

15 Clues: species formed from chemical reactions • energy stored in the bonds of chemical compounds • chemical reaction in which one element replaces another in a compound • a substance that takes part in and undergoes change during a reaction • reaction rearrangement of the molecular or ionic structure of a substance • ...

Chapter 7 Vocab 2024-01-02

Chapter 7 Vocab crossword puzzle
Across
  1. direct combination reaction is a type of chemical reaction in which two or more simple substances combine to form a more complex product.
  2. release energy to their surroundings
  3. type of chemical reaction that involves a transfer of electrons between two species.
  4. something made as a result of a chemical reaction.
Down
  1. the symbolic representation of a chemical reaction in the form of symbols and chemical formulas.
  2. when a substance reacts with oxygen and releases a huge amount of energy in the form of light and heat.
  3. a substance that takes part in and undergoes change during a reaction.
  4. replaces one element for another in a compound.
  5. a compound is broken into smaller chemical species.
  6. a convenient way to express amounts of reactants and products of chemical reactions.
  7. the energy of chemical substances that is released when the substances undergo a chemical reaction and transform into other substances.
  8. absorbs energy from their surroundings
  9. the numbers placed before the reactants in a chemical equation
  10. type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.
  11. the ratio between the mass and the amount of substance (measured in moles) of any sample of said compound.

15 Clues: release energy to their surroundings • absorbs energy from their surroundings • replaces one element for another in a compound. • something made as a result of a chemical reaction. • a compound is broken into smaller chemical species. • the numbers placed before the reactants in a chemical equation • ...

Chemical Reaction Vocabulary Word Puzzle 2023-11-14

Chemical Reaction Vocabulary Word Puzzle crossword puzzle
Across
  1. A substance that takes part in and undergoes change during a reaction
  2. Chemical Equation: is a chemical equation with the same number of atoms of each element on both sides of the arrow
  3. 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.
  4. of reaction: The speed at which reactants are converted in products
  5. Loss of Electrons
  6. reaction: A chemical reaction that releases energy in the form of light or heat
  7. reaction: A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  8. The amount of a substance that contains 6.02 x 1023 particles of that substance
  9. Gain of electrons
  10. is the number in front of the formula, that is related to the properties of the products. For example 2 H2O means there is two molecules of water
  11. 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 system's mass cannot change, so quantity cannot be added or removed.
Down
  1. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  2. 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
  3. a state in which forward and reverse reactions or processes proceed at equal rates
  4. Is a substance that is formed as the result of a chemical reaction.
  5. reaction: Are those which absorb energy from the surroundings and result in a net decrease in temperature
  6. Mass: Mass in grams of one mole of a substance
  7. 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.
  8. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction

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

Chemical Reactions Vocabulary Assignment 2023-11-15

Chemical Reactions Vocabulary Assignment crossword puzzle
Across
  1. A substance that takes part in and undergoes change during a reaction
  2. Chemical Equation: is a chemical equation with the same number of atoms of each element on both sides of the arrow
  3. 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.
  4. of reaction: The speed at which reactants are converted in products
  5. Loss of Electrons
  6. reaction: A chemical reaction that releases energy in the form of light or heat
  7. reaction: A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  8. The amount of a substance that contains 6.02 x 1023 particles of that substance
  9. Gain of electrons
  10. is the number in front of the formula, that is related to the properties of the products. For example 2 H2O means there is two molecules of water
  11. 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 system's mass cannot change, so quantity cannot be added or removed.
Down
  1. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  2. 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
  3. a state in which forward and reverse reactions or processes proceed at equal rates
  4. Is a substance that is formed as the result of a chemical reaction.
  5. reaction: Are those which absorb energy from the surroundings and result in a net decrease in temperature
  6. Mass: Mass in grams of one mole of a substance
  7. 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.
  8. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction

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

atoms and chemical reaction 2022-12-09

atoms and chemical reaction crossword puzzle
Across
  1. what is a chemical reaction
  2. a substance made up of only one type of atom
  3. a chemical reaction which a compound breaks down into two or more
  4. the rate at which reactants change into products over time
  5. the number of protons in a nucleus
  6. what has a neutral charge
  7. a chemical reaction in which two or more substances react to form a single substances
  8. what is a physical change
  9. new substance formed as a result of a chemical reaction
  10. what is the smallest unit of an element
Down
  1. three substances particles in the nucleus
  2. a chemical reaction in which electrons are transferred from one reactant to another
  3. what is a substance to be deposited in solid form from a solution
  4. a molecule made of repeating units formed into long chains
  5. where is the protons located
  6. what is located at the center of an atom
  7. what is located in the electron cloud
  8. what is located in nucleus and has a positive charge
  9. a substance that undergoes change in a chemical reaction
  10. a pure substance that is made up of two or more different types of atoms chemically joined

20 Clues: what has a neutral charge • what is a physical change • what is a chemical reaction • where is the protons located • the number of protons in a nucleus • what is located in the electron cloud • what is the smallest unit of an element • what is located at the center of an atom • three substances particles in the nucleus • a substance made up of only one type of atom • ...

atoms and chemical reaction 2022-12-09

atoms and chemical reaction crossword puzzle
Across
  1. what is a chemical reaction
  2. a substance made up of only one type of atom
  3. a chemical reaction which a compound breaks down into two or more
  4. the rate at which reactants change into products over time
  5. the number of protons in a nucleus
  6. what has a neutral charge
  7. a chemical reaction in which two or more substances react to form a single substances
  8. what is a physical change
  9. new substance formed as a result of a chemical reaction
  10. what is the smallest unit of an element
Down
  1. three substances particles in the nucleus
  2. a chemical reaction in which electrons are transferred from one reactant to another
  3. what is a substance to be deposited in solid form from a solution
  4. a molecule made of repeating units formed into long chains
  5. where is the protons located
  6. what is located at the center of an atom
  7. what is located in the electron cloud
  8. what is located in nucleus and has a positive charge
  9. a substance that undergoes change in a chemical reaction
  10. a pure substance that is made up of two or more different types of atoms chemically joined

20 Clues: what has a neutral charge • what is a physical change • what is a chemical reaction • where is the protons located • the number of protons in a nucleus • what is located in the electron cloud • what is the smallest unit of an element • what is located at the center of an atom • three substances particles in the nucleus • a substance made up of only one type of atom • ...

Combustion and Chemical reactions 2025-03-07

Combustion and Chemical reactions crossword puzzle
Across
  1. dioxide a gas produced during combustion
  2. the energy required to start and sustain combustion
  3. the process of starting a combustion reaction
  4. reaction a process in which substances change into new
  5. a rapid combustion that releases large amounts of energy
  6. a product of combustion, made of two hydrogen atoms and
  7. gives off heat.
  8. a gas needed for combustion to happen
  9. is burned
  10. change a change that causes a new substance to be formed
  11. a chemical reaction
  12. a material used to produce heat or power by burning
  13. a pure form of matter
  14. oxygen atom
  15. a collection of solid, liquid, and gas particles released when a
Down
  1. a chemical reaction in which a substance reacts with oxygen
  2. equation a chemical equation that has an equal amount of each
  3. substance at the beginning of the reaction
  4. equation representation of chemical reaction using symbols and
  5. on the left and right sides
  6. the amount of matter or substance that makes up an object
  7. capable of being easily ignited and burning quickly
  8. of conservation of mass mass can neither be created nor destroyed
  9. and flame
  10. formulas
  11. the ability to do work
  12. two or more atoms that are connected by a chemical bond
  13. substance at the end of the reaction
  14. instance of combustion in which fuel is ignited, giving off light,

29 Clues: formulas • and flame • is burned • oxygen atom • gives off heat. • a chemical reaction • a pure form of matter • the ability to do work • on the left and right sides • substance at the end of the reaction • a gas needed for combustion to happen • dioxide a gas produced during combustion • substance at the beginning of the reaction • the process of starting a combustion reaction • ...

Kove Hernandez crossword 2017-02-27

Kove Hernandez crossword crossword puzzle
Across
  1. replacement- reacts with a compound and takes the place of another element in that compound
  2. a substance that is formed as the result of a chemical reaction.
  3. A half-reaction in which a chemical species decreases its oxidation number, usually by gaining electrons
  4. type of chemical reaction in which two or more simple substances combine to form a more complex product.
  5. of two atoms.
  6. rapid chemical combination of a substance with oxygen, involving the production of heat and light
  7. chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  8. process or result of oxidizing or being oxidized.
  9. of or containing water, typically as a solvent or medium
Down
  1. equation-the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
  2. cause (a substance) to be deposited in solid form from a solution
  3. compound- A binary compound is a chemical compound that contains exactly two different elements.
  4. substance that takes part in and undergoes change during a reaction.
  5. the state or process of rotting, decay.
  6. replacement- a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products
  7. ion- is a 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
  8. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
  9. produce or provide
  10. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

19 Clues: of two atoms. • produce or provide • the state or process of rotting, decay. • process or result of oxidizing or being oxidized. • of or containing water, typically as a solvent or medium • a substance that is formed as the result of a chemical reaction. • cause (a substance) to be deposited in solid form from a solution • ...

8th Grade AMI 3 (PEAK Unit 3 Vocab) 2020-11-09

8th Grade AMI 3 (PEAK Unit 3 Vocab) crossword puzzle
Across
  1. lab technique for separating a mixture
  2. a solid material produced from a chemical reaction
  3. two or more substances that are not chemically combined
  4. burning something
  5. a scale, ranging from 0 to 14, that shows the percentages of Hydrogen Ions that can be either given of or accepted
  6. technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid
  7. a large number at the beginning of a chemical formula showing the number of a molecule
Down
  1. a chemical reaction which absorbs heat energy thereby feeling cooler after the reaction takes place
  2. a chemical reaction which gives off heat energy thereby feeling warmer after the reaction takes place
  3. the state in a chemical reaction when the concentrations of reactants and products are equal
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. a reaction in which a compound breaks down into two or more simpler substances
  6. the small number that is set slightly below the normal line of type showing the number of an element's atoms in a molecule
  7. when a chemical reaction gives off visible light
  8. removing solid particles from a liquid

15 Clues: burning something • lab technique for separating a mixture • removing solid particles from a liquid • when a chemical reaction gives off visible light • a solid material produced from a chemical reaction • two or more substances that are not chemically combined • a reaction in which a compound breaks down into two or more simpler substances • ...

science vocab reveiw 2023-12-04

science vocab reveiw crossword puzzle
Across
  1. - chemical reaction that absorbs thermal energy
  2. - when one compound breaks down and forms two or more substances
  3. - one element replaces another element in a compound
  4. - A process in which atoms of one or more substances rearrange to form one or more new substances
  5. - a substance that increases reaction rate by lowering the activation energy of a reaction
  6. - a substance that slows, or even stops a chemical reaction
Down
  1. - 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
  2. - chemical reaction in which two or more substances combine and form one compound
  3. - a chemical reaction that releases thermal energy
  4. - when the negative ions in two compounds switch places, forming two new compounds
  5. - a description of reaction using element symbols and chemical formulas
  6. energy - the minimum amount of energy needed to start a chemical reaction
  7. - a chemical reaction in which a substance combines with oxygen and releases energy

13 Clues: - chemical reaction that absorbs thermal energy • - a chemical reaction that releases thermal energy • - one element replaces another element in a compound • - a substance that slows, or even stops a chemical reaction • - when one compound breaks down and forms two or more substances • - a description of reaction using element symbols and chemical formulas • ...

Chemical Equations 2024-03-12

Chemical Equations crossword puzzle
Across
  1. The total energy of an isolated system cannot change.
  2. At the start of a chemical reaction.
  3. Postive or negative for an atom.
  4. Consists of a single type of atom distinguished by its atomic number.
  5. A number that is below the "baseline" mainly in a formula.
  6. A process that makes one set of chemical substances to another.
  7. A solution where the solvent is water.
  8. A way to show a chemical reaction in words.
  9. Contains 2 different chemical elements.
Down
  1. To make both sides of an equation equal.
  2. a number in front of a formula
  3. A chemical property that describes the tendency of an atom to attract electrons to itself when forming a chemical bond.
  4. A method to lead a non-spontaneous chemical reaction.
  5. Symbolic showing of a chemical reaction
  6. Ionic compounds that result from the neutralization reaction of an acid and a base.
  7. Shows information about the atoms in a certain compound.

16 Clues: a number in front of a formula • Postive or negative for an atom. • At the start of a chemical reaction. • A solution where the solvent is water. • Symbolic showing of a chemical reaction • Contains 2 different chemical elements. • To make both sides of an equation equal. • A way to show a chemical reaction in words. • The total energy of an isolated system cannot change. • ...

James Puzzle 2020-01-23

James Puzzle crossword puzzle
Across
  1. reaction, a process that involves the arrangement of the molecular or ionic structure of a substance
  2. equation, a symbolic representation of a chemical reaction in symbols
  3. change, when a substance combines with another to form a new substance
  4. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction
  5. reaction, a chemical reaction that releases energy through light or heat
  6. a substance that increases the rate of chemical reaction
  7. a thing that is composed of two different elements
  8. a mixture that is not evenly mixed
  9. a stable subatomic particle occering in all atomic nuclei with a positive charge
  10. a substance that slows down or prevents a particular chemical reaction
  11. a stable subatomic particle with a negative charge
  12. mass, a mass of an atom of a chemical element expressed in an atomic mass unity
Down
  1. change, it affects the form of a chemical substance but not its chemical composition
  2. that which occupies space and possesses mass
  3. an element is a substance that is made entirely from one type of atom
  4. a process that requires or absorbs energy from its surrounding ie heat
  5. mixture, two or more substances that have been mixed completely
  6. a substance made by mixing other substances together
  7. a subatomic particle of about the same mass as a proton but without an electrical charge
  8. the basic unit of a chemical element

20 Clues: a mixture that is not evenly mixed • the basic unit of a chemical element • that which occupies space and possesses mass • a thing that is composed of two different elements • a stable subatomic particle with a negative charge • a substance made by mixing other substances together • a substance that increases the rate of chemical reaction • ...

THERMAL ENERGY 2024-02-06

THERMAL ENERGY crossword puzzle
Across
  1. Substances that do not conduct heat well
  2. he bond formed by the complete transfer of valence electron to attain stability
  3. materials that allow the transmission of heat
  4. of Conservation of Mass in a chemical reaction mass is neither created nor destroyed
  5. a measure of the average kinetic energy of the particles in an object
  6. the temperature at which a given solid will melt
  7. the minimum energy required to cause a process (such as a chemical reaction) to occur
  8. the lowest temperature possible
  9. the temperature at which a liquid turns into a solid when cooled.
Down
  1. when heat moves from one object to another object through direct touch
  2. energy that comes from a source and travels through space at the speed of light
  3. a chemical bond that involves the sharing of electrons to form electron pairs between atoms
  4. a chemical reaction that releases energy by light or heat
  5. a substance that is formed when two or more reactants interact during a chemical reaction
  6. Energy that is transferred from one body to another as the result of a difference in temperature
  7. a chemical reaction that releases energy by light or heat
  8. any chemical reaction that absorbs heat from its environment
  9. change a physical process in which a substance goes from one phase to another.
  10. Equation a way to represent a chemical reaction using element symbols

19 Clues: the lowest temperature possible • Substances that do not conduct heat well • materials that allow the transmission of heat • the temperature at which a given solid will melt • a chemical reaction that releases energy by light or heat • a chemical reaction that releases energy by light or heat • any chemical reaction that absorbs heat from its environment • ...

Chapter 8 Chemistry Vocab 2023-03-08

Chapter 8 Chemistry Vocab crossword puzzle
Across
  1. occurs when a compound is broken down into simpler substances
  2. a substance that dissolves in water, dissociating completely into ions
  3. a chemical showing the complete (undissociated) forms of all reactants and products
  4. a reaction that forms water when an acid is mixed with a base
  5. the new substance formed by a chemical reaction; it is shown to the right of the reaction arrow
  6. a substance that produces hydrogen ions in aqueous solution; a proton donor
  7. a base that completely dissociates to produce ions in solution
  8. a chemical equation for a reaction in solution showing only those components that are directly involved in the reaction; strong electrolytes are represented as ions
  9. the solid that forms in a precipitation reaction
  10. the percent by mass of a component of a mixture or of a given element in a compound
  11. a solid that readily dissolves in water
  12. an ionic compound
  13. a process in which one or more substances are changed into one or more new substances by the reorganization of component atoms
  14. a chemical equation that has the same number of each type of atom on the product side and the reactant side
  15. a formula that gives the exact numbers and types of atoms in a molecule of a substance
  16. an oxidation–reduction reaction that involves
  17. a small unit of mass equal to
Down
  1. a chemical reaction in which a compound is formed from simpler materials
  2. a reaction in which ions in two compounds exchange places, forming two new compounds
  3. a chemical equation for a reaction in solution representing all strong electrolytes
  4. the weighted average of the masses of all the isotopes of an element
  5. a chemical reaction involving the transfer of electrons
  6. a reaction in which a solid forms and separates from the solution as a solid
  7. the number of atoms in exactly of pure 12C, equal to
  8. ions present in solution that do not participate directly in a reaction
  9. the starting substance of a chemical reaction shown to the left of the reaction arrow
  10. a formula that gives the simplest whole number ratio of the atoms present in a compound
  11. a substance that produces hydroxide ions in solution; a proton accepto
  12. the number equal to the number of carbon atoms in exactly of pure 12C; Avogadro’s number; one mole represents
  13. (slightly soluble solid) a solid that dissolves to such a small degree that it is not detectable to the naked eye
  14. an acid that completely dissociates (ionizes) to produce ions in solution
  15. a representation of chemical reaction using the formulas of the starting substances that react and the new substances that are formed
  16. the mass in grams of one mole of a compound

33 Clues: an ionic compound • a small unit of mass equal to • a solid that readily dissolves in water • the mass in grams of one mole of a compound • an oxidation–reduction reaction that involves • the solid that forms in a precipitation reaction • the number of atoms in exactly of pure 12C, equal to • a chemical reaction involving the transfer of electrons • ...

Chemical Reactions Vocabulary 2024-02-14

Chemical Reactions Vocabulary crossword puzzle
Across
  1. how easily an element reacts.
  2. energy is released
  3. ending materials of a chemical reaction
  4. a list that shows more active elements on top
  5. arrow in a chemical reaction
  6. starting materials of a chemical reaction
  7. (s)
  8. symbolic representation of a chemical reaction
Down
  1. number of molecules
  2. (aq)
  3. a charged particle that has either gained or lost an electron
  4. energy is absorbed
  5. ability of an element to attract electrons in a molecule
  6. (g)
  7. a solid from two aqueous solutions
  8. (l)

16 Clues: (g) • (s) • (l) • (aq) • energy is absorbed • energy is released • number of molecules • arrow in a chemical reaction • how easily an element reacts. • a solid from two aqueous solutions • ending materials of a chemical reaction • starting materials of a chemical reaction • a list that shows more active elements on top • symbolic representation of a chemical reaction • ...

Chapter 7 2023-01-03

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

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

Chapter 10 section 3 2023-03-16

Chapter 10 section 3 crossword puzzle
Across
  1. when corrosion of metal causes a color change
  2. A solid that forms from a chemical reaction.
  3. chemical change sign that can be easily seen with the eye. An example would be bleaching your shirt
  4. the chemical name of table salt
  5. also known as rust
  6. what hydrogen and water make
  7. the chemicals on the left side of a chemical equation
  8. compounds have different chemical ____________
  9. a sign of chemical change in the form of heat or light
  10. the total mass of the reactants equals the total mass of the products in a reaction
  11. a chemical reaction that releases energy
Down
  1. also known as chemical change
  2. bubbling or foaming can be a sign of this chemical change
  3. the chemicals on the right side of a chemical equation
  4. a chemical reaction that requires the energy of the sun to help create sugars
  5. indicates the number of atoms in a compound such as mon or di.
  6. Compounds are made from more than one type of ________
  7. keeps track of which substances are used and in what ratio

18 Clues: also known as rust • what hydrogen and water make • also known as chemical change • the chemical name of table salt • a chemical reaction that releases energy • A solid that forms from a chemical reaction. • when corrosion of metal causes a color change • compounds have different chemical ____________ • the chemicals on the left side of a chemical equation • ...

Science wk 10 2024-06-25

Science wk 10 crossword puzzle
Across
  1. The process of rusting of iron due to its reaction with oxygen and water. (10 letters)
  2. A reaction that occurs spontaneously and releases energy. (11 letters)
  3. The substance that speeds up a reaction by providing an alternative reaction pathway. (9 letters)
  4. The balanced chemical equation representing a reaction. (10 letters)
  5. A reaction that absorbs energy from the surroundings. (11 letters)
  6. A substance that speeds up a chemical reaction without being consumed itself. (9 letters)
  7. The minimum energy required for a chemical reaction to occur. (10 letters)
  8. The number of atoms of each element in a molecule. (9 letters)
  9. REPLACEMENT type of reaction where two compounds exchange ions to form new compounds. (12 letters)
  10. A reaction in which a single compound breaks down into two or more simpler substances. (13 letters)
  11. The process of breaking down organic molecules to release energy. (11 letters)
  12. The process of combining hydrogen and oxygen to produce water. (8 letters)
  13. The process of combining two or more substances to form a new compound. (12 letters)
Down
  1. A reaction in which electrons are transferred from one substance to another. (13 letters)
  2. A reaction that involves the exchange of electrons between reactants. (13 letters)
  3. A reaction in which a metal displaces another metal from its salt solution. (14 letters)
  4. A reaction that releases energy, often in the form of heat or light. (14 letters)
  5. A reaction between an acid and a base, resulting in the formation of water and a salt. (13 letters)
  6. A reaction that involves the transfer of protons (H+ ions). (12 letters)
  7. What is the process by which substances are broken down or built up in the body? (10 letters)
  8. The substance that is dissolved in a solution. (8 letters)
  9. The process of converting light energy into chemical energy in plants. (9 letters)
  10. The process of breaking down organic molecules to release energy. (11 letters)
  11. A reaction in which the reactants and products are in the same physical state (solid, liquid, or gas). (13 letters)
  12. The study of the rates of chemical reactions. (11 letters)

25 Clues: The substance that is dissolved in a solution. (8 letters) • The study of the rates of chemical reactions. (11 letters) • The number of atoms of each element in a molecule. (9 letters) • A reaction that absorbs energy from the surroundings. (11 letters) • The balanced chemical equation representing a reaction. (10 letters) • ...

Damon 2026-03-05

Damon crossword puzzle
Across
  1. replacement reaction Reaction where ions from two compounds exchange places
  2. bond A force that holds atoms together in a molecule
  3. Substances present at the start of a chemical reaction
  4. reaction Reaction in which a compound breaks down into simpler substances
  5. Number placed in front of a chemical formula to balance an equation
  6. Positively charged ion
  7. reaction A process in which substances are changed into new substances
Down
  1. reaction Reaction in which a substance reacts with oxygen, often producing heat and light
  2. reaction Reaction in which two or more substances combine to form one product
  3. ion An ion consisting of only one atom
  4. replacement reaction Reaction where one element replaces another in a compound
  5. Negatively charged ion
  6. Substances formed at the end of a chemical reaction
  7. number Number showing the charge an atom would have in a compound
  8. of conservation of mass Principle stating mass cannot be created or destroyed in a chemical reaction

15 Clues: Negatively charged ion • Positively charged ion • ion An ion consisting of only one atom • Substances formed at the end of a chemical reaction • Substances present at the start of a chemical reaction • bond A force that holds atoms together in a molecule • Number placed in front of a chemical formula to balance an equation • ...

Enzymes 2022-11-07

Enzymes crossword puzzle
Across
  1. energy the energy needed to give the starting "push" for a chemical reaction
  2. site the part of the enzyme where the substrate binds
  3. the elements or compounds that enter into a chemical reaction
  4. another term used to describe the graph of an endergonic reaction
  5. enzymes are considered which type of macromolecule?
  6. the optimum is 37 degrees C
  7. functions best at a pH of 2 because it's found in the stomach
  8. molecules that speed up the rate of a reaction by lowering the activation energy
  9. the enzyme that is responsible for breaking down lactose
Down
  1. the "key" that fits specifically to one enzyme
  2. the enzyme that breaks down lipids
  3. the name of the site on an enzyme other than the active site
  4. an inhibitor that binds somewhere else on the enzyme and changes the shape of the active site
  5. another term used to describe the graph of an exergonic reaction
  6. a chemical reaction that requires an input of energy
  7. if the temperature increases too much and the protein/enzyme falls apart
  8. the elements or compounds that are produced from a chemical reaction
  9. a chemical reaction that releases energy in the form of heat
  10. an inhibitor that sits in the active site and doesn't allow the substrate to bind
  11. an enzyme found in the mouth that breaks down carbohydrates

20 Clues: the optimum is 37 degrees C • the enzyme that breaks down lipids • the "key" that fits specifically to one enzyme • enzymes are considered which type of macromolecule? • a chemical reaction that requires an input of energy • site the part of the enzyme where the substrate binds • the enzyme that is responsible for breaking down lactose • ...

Chapter 7 2019-05-26

Chapter 7 crossword puzzle
Across
  1. A substance that affects the rate of a chemical reaction without being used up in the reaction (215)
  2. The mass of one mole of a substance (196)
  3. The energy stored in chemical bonds (206)
  4. A system releases energy to its surroundings
  5. Numbers that appear before a formula in a chemical equation (194)
  6. A chemical reaction in which the reactants and products are expressed as formulas (193)
  7. A system absorbs energy from its surroundings
  8. When a compound breaks down into two or more simpler substances (200)
  9. Electrons are transferred from one reactant to another (204)
  10. Two or more substances react to form a single substance (200)
  11. A counting unit to measure amounts of substance since chemical reactions involve large numbers of small particles (195)
Down
  1. New substances formed as a result of a chemical reaction (192)
  2. Two compounds exchange positive ions and form two new compounds (203)
  3. A substance reacts rapidly with oxygen often producing heat and light (204)
  4. One element takes the place of another element in a compound (202)
  5. A chemical reaction in which the conversion of reactants into products and the conversion of products into reactants happens at the same time
  6. A substance that undergoes change in a chemical reaction (192)
  7. A state in which the forward and reverse paths of a physical or chemical change take place at the same rate (216)
  8. The rate at which reactants change into products over time (212)

19 Clues: The mass of one mole of a substance (196) • The energy stored in chemical bonds (206) • A system releases energy to its surroundings • A system absorbs energy from its surroundings • Electrons are transferred from one reactant to another (204) • Two or more substances react to form a single substance (200) • ...

Compounds & Chemicals Reactions 2023-08-15

Compounds & Chemicals Reactions crossword puzzle
Across
  1. A chemical compound that changes its colour in presence of an acid or base.
  2. A galvanic process by which metals deteriorate through oxidation
  3. Any substance composed of identical molecules consisting of atoms of two or more chemical elements.
  4. When cations and anions in aqueous solution combine to form an insoluble ionic
  5. A substance that produces hydrogen (H+) ions when it is added to water.
  6. A chemical bond that involves the sharing of electrons to form electron pairs between atoms.
  7. Any substance that in water solution is slippery to the touch, tastes bitter, changes the colour of indicators
  8. Two or more atoms connected by chemical bonds
  9. Quantitative measure of the acidity or basicity of aqueous or other liquid solutions.
  10. A chemical reaction between substances
  11. Type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
  12. Consists of a central nucleus that is surrounded by one or more negatively charged electrons.
  13. S(s)+O2(g)→SO2(g)
Down
  1. HCl + NaOH → NaCl + H2O.
  2. CaCO3 (s) + heat → CaO (s) + CO2 (g)
  3. A lasting attraction between atoms or ions that enables the formation of molecules, crystals, and other structures.
  4. During an _____________, energy is constantly given off, often in the form of heat.
  5. An ______________ releases heat, causing the temperature of the immediate surroundings to rise.
  6. Occur when chemical bonds between atoms are formed or broken.

19 Clues: S(s)+O2(g)→SO2(g) • HCl + NaOH → NaCl + H2O. • CaCO3 (s) + heat → CaO (s) + CO2 (g) • A chemical reaction between substances • Two or more atoms connected by chemical bonds • Occur when chemical bonds between atoms are formed or broken. • A galvanic process by which metals deteriorate through oxidation • ...

Mole-Mass Relationship Crossword 2021-11-17

Mole-Mass Relationship Crossword crossword puzzle
Across
  1. formula, tells the number of each type of atom.
  2. yield, the percent of the theoretical yield actually obtained from a chemical reaction.
  3. if unknown pure compound can be _______, the masses of elements present can be determined.
  4. a chemical equation tell how many molecules, and thus how many moles, of each reactants are needed and how many of each products are formed.
  5. equation, an equation in which ions are explicitly shown.
  6. reagent, is the reactant that runs out first.
  7. yield, the amount of product actually formed in a reaction.
  8. formula, represent real three-dimensional objects.
  9. equation, expression in which symbols are used to represent a chemical reaction.
  10. number, contains 6.022 x 1023 formula units.
  11. weight, the sum of the atomic weights for all the atoms in the molecule or formula unit.
Down
  1. to obtain the correct ratio of reactant molecules, the reactants must be ______
  2. formula, the simplest whole-number ratio of moles of each element in the compound.
  3. yield, the amount of product formed assuming complete reaction of the limiting reagent.
  4. weight, the average mass of an element’s atoms.
  5. substances that are present at the end of a chemical reaction.
  6. formula, identifies the location of chemical bonds between the atoms of a molecule.
  7. measure of the quantitative relationship between the products and reactants of a given chemical reaction.
  8. chemical equations, indicate what is happening at the molecular level during a reaction.
  9. a substance that enters into and is altered in the course of a chemical reaction.
  10. to mass, conversion that is carried out using molas mass as a conversion factor.
  11. ratios, coefficients can be put in the form of ______, which act as conversion factors when setting up factor-label calculations.
  12. is the amount of a substance whose mass in grams is numerically equal to its molecular or formula weight.
  13. mass, this serves as a conversion factor between numbers of moles and mass.
  14. weight, is the average mass of a substance’s molecules.

25 Clues: reagent, is the reactant that runs out first. • number, contains 6.022 x 1023 formula units. • formula, tells the number of each type of atom. • weight, the average mass of an element’s atoms. • formula, represent real three-dimensional objects. • weight, is the average mass of a substance’s molecules. • equation, an equation in which ions are explicitly shown. • ...

Unit 2 Chemistry Review 2023-11-09

Unit 2 Chemistry Review crossword puzzle
Across
  1. agent, chemical species that reduces another substance by giving away electrons
  2. point, point at which the reaction has occurred as per the stoichiometric ratio of the balanced equation
  3. agent, chemical species that oxidises another substance by accepting electrons
  4. volume of the solution delivered from the burette to reach the end point of a titration
  5. curved upper surface of liquid
  6. chemical reaction in which a chemical species loses electrons
  7. standard, substance used to make a primary standard solution
  8. number, number assigned to an atom that can be used to determine the movement of electrons in redox reactions
  9. set of conditions used as a standard for experiments (298 K and 100 kPa)
  10. solution, solution with a relatively low amount of solute in comparison to the volume of solution
  11. point, point at which a colour change occurs during titration
  12. series of metals, organised scale of metals and their cations, ranked according to their strength as reducing and oxidising agents
Down
  1. gases, molecules that absorb infrared radiation from the s
  2. process of decreasing concentration of a solution by adding more solvent
  3. chemical reaction in which a chemical species gains electrons
  4. one in one million parts of a solution
  5. solution, solution with a relatively high amount of solute in comparison to the volume of solution
  6. quantitative technique used to find the concentration and/or amount of substance in a solution
  7. displacement reaction, redox reaction in which a more reactive metal displaces a less reactive metal’s cation from solution
  8. titres, three or more titres that fall within approximately 0.1 mL of each other
  9. capacity, relationship between the heat absorbed by a substance and its temperature change
  10. reaction, chemical reaction involving the transfer of electrons between chemical species

22 Clues: curved upper surface of liquid • one in one million parts of a solution • gases, molecules that absorb infrared radiation from the s • standard, substance used to make a primary standard solution • chemical reaction in which a chemical species gains electrons • chemical reaction in which a chemical species loses electrons • ...

Chemical Reaction Vocabulary 2023-01-24

Chemical Reaction Vocabulary crossword puzzle
Across
  1. to change the order of something
  2. able to cause destruction
  3. a substance added to plants to help them grow healthily
  4. made out of a group of atoms
  5. a subtance cahnging from solid to liquid
  6. what everything is made out of
  7. something that can be seen,heard, or smelt about a subtance
  8. a subtance during a chemical reaction
  9. letters and numbers showing the types and number of atoms that repeat to make a subtance
Down
  1. a large group of atoms connected to created to make a structure
  2. the temperature when a liquid turns to a gas
  3. atoms rearranging to form a new subtance
  4. a replica to represent something
  5. size of something

14 Clues: size of something • able to cause destruction • made out of a group of atoms • what everything is made out of • to change the order of something • a replica to represent something • a subtance during a chemical reaction • atoms rearranging to form a new subtance • a subtance cahnging from solid to liquid • the temperature when a liquid turns to a gas • ...

Exam Study Guide 2020-01-17

Exam Study Guide crossword puzzle
Across
  1. A positive electric charge.
  2. The transfer of carbon through the organisms in a food web.
  3. An exothermic reaction in which something reacts with oxygen.
  4. The combination of ideas to form a system.
  5. Components living.
  6. A chemical reaction where a single reactant breaks down to two or more products
  7. Chemical reaction that absorbs heat.
  8. A negatively charged ion.
  9. Is something that acts like a storage source.
  10. Respiration A chemical process performed by plants and animals.
  11. Components nonliving.
Down
  1. A negative electric charge.
  2. The waste and remains of once living organisms.
  3. fuel Comes from the dead remains of ancient plants and animals.
  4. Ancient plants which have been buried for hundreds of million of years to produce fossil fuels.
  5. Chemical reaction that releases energy through light or heat.
  6. A chemical process performed by plants.
  7. reservoir Is a storage source for carbon.
  8. Where the electrons are shared equally.
  9. A positively charged ion.

20 Clues: Components living. • Components nonliving. • A negatively charged ion. • A positively charged ion. • A negative electric charge. • A positive electric charge. • Chemical reaction that absorbs heat. • A chemical process performed by plants. • Where the electrons are shared equally. • reservoir Is a storage source for carbon. • The combination of ideas to form a system. • ...

Crossword Puzzle Biomolecules 2024-05-03

Crossword Puzzle Biomolecules crossword puzzle
Across
  1. a substance that enables a chemical reaction to proceed at a usually faster rate
  2. the minimum energy required to cause a process (such as a chemical reaction) to occur.
  3. made up of amino acids
  4. it is essential for digestion
  5. building block of a larger
  6. proteins that speed up chemical reactions
  7. fast source of energy
  8. the substances that participate in a chemical reaction
  9. carbon based molecule made of living things
  10. long-term source of energy
  11. an element on the periodic
Down
  1. an enzyme that binds to a protein or other substance during a reaction.
  2. the building blocks of the fat in our bodies
  3. acid monomer that makes up proteins
  4. a base that contains nitrogen
  5. formed when any smaller molecules bond together
  6. a molecule that an enzyme reacts with
  7. examples include DNA and RNA
  8. a pentose (5-carbon sugar) biological molecule
  9. products are the species formed from chemical reactions.

20 Clues: fast source of energy • made up of amino acids • building block of a larger • long-term source of energy • an element on the periodic • examples include DNA and RNA • a base that contains nitrogen • it is essential for digestion • acid monomer that makes up proteins • a molecule that an enzyme reacts with • proteins that speed up chemical reactions • ...

Chemical reactions 2024-08-13

Chemical reactions crossword puzzle
Across
  1. Principle stating that mass in a closed system remains constant, regardless of the processes acting inside the system.
  2. A chemical reaction that typically involves burning with oxygen and releases energy.
  3. A property of an acid where the substance can destroy or irreversibly damage another substance by chemical action.
  4. The color often associated with acids in pH indicators.
  5. The gradual destruction of materials, usually metals, by chemical reactions with the environment.
  6. The slow oxidation of iron in the presence of water and oxygen, forming iron oxide.
  7. A substance that donates hydrogen ions and has a pH less than 7.
  8. The ion formed when a base dissociates in water.
Down
  1. A symbolic representation of a chemical reaction using chemical formulas.
  2. A substance that takes part in and undergoes change during a chemical reaction.
  3. The taste associated with many bases.
  4. The reaction between an acid and a base to form water and a salt.
  5. A simple sugar that is an important energy source in living organisms.
  6. A type of reaction that absorbs heat from its surroundings.
  7. The process by which plants use sunlight to synthesize foods from carbon dioxide and water.
  8. A substance formed as the result of a chemical reaction.
  9. A ______ equation is a way of representing a chemical reaction using the names of the reactants and products.

17 Clues: The taste associated with many bases. • The ion formed when a base dissociates in water. • The color often associated with acids in pH indicators. • A substance formed as the result of a chemical reaction. • A type of reaction that absorbs heat from its surroundings. • A substance that donates hydrogen ions and has a pH less than 7. • ...

Chemical reactions 2024-08-13

Chemical reactions crossword puzzle
Across
  1. Principle stating that mass in a closed system remains constant, regardless of the processes acting inside the system.
  2. A chemical reaction that typically involves burning with oxygen and releases energy.
  3. A property of an acid where the substance can destroy or irreversibly damage another substance by chemical action.
  4. The color often associated with acids in pH indicators.
  5. The gradual destruction of materials, usually metals, by chemical reactions with the environment.
  6. The slow oxidation of iron in the presence of water and oxygen, forming iron oxide.
  7. A substance that donates hydrogen ions and has a pH less than 7.
  8. The ion formed when a base dissociates in water.
Down
  1. A symbolic representation of a chemical reaction using chemical formulas.
  2. A substance that takes part in and undergoes change during a chemical reaction.
  3. The taste associated with many bases.
  4. The reaction between an acid and a base to form water and a salt.
  5. A simple sugar that is an important energy source in living organisms.
  6. A type of reaction that absorbs heat from its surroundings.
  7. The process by which plants use sunlight to synthesize foods from carbon dioxide and water.
  8. A substance formed as the result of a chemical reaction.
  9. A ______ equation is a way of representing a chemical reaction using the names of the reactants and products.

17 Clues: The taste associated with many bases. • The ion formed when a base dissociates in water. • The color often associated with acids in pH indicators. • A substance formed as the result of a chemical reaction. • A type of reaction that absorbs heat from its surroundings. • A substance that donates hydrogen ions and has a pH less than 7. • ...

Q3 Review Crossword 2024-05-22

Q3 Review Crossword crossword puzzle
Across
  1. _________ Yield: The comparison between the theoretical yield and the actual yield to determine lab accuracy
  2. A solid that is formed during a chemical reaction
  3. What do we need to do in order to uphold the law of conservation of mass during a chemical equation?
  4. A chemical reaction that releases more energy than it absorbs
  5. A + B → AB
  6. _________ Mass: Used to convert between moles and grams in a stoichiometry problem
  7. _________ Reactant: There is a left over amount of this reactant at the end of an experiment.
  8. _________ change is when a substance maintains its physical properties.
  9. The substance(s) at the beginning of a chemical reaction
  10. _________ Reactant: The reactant that is used up during a chemical reaction and inhibits the production of more product
  11. The study of the ratios between reactants and products during a chemical reaction
  12. This law is only for gases and relates pressure, volume, temperature, and number of moles to one another.
  13. AB → A + B
Down
  1. For gases it is measured in K.
  2. A substance that is dissolved in water
  3. For gases it is measured in atm.
  4. _________ Replacement: AB + CD → AD + CB
  5. For gases it is measured in L.
  6. Law of _________ of Mass
  7. A hydrocarbon reacting with oxygen to produce carbon dioxide and water
  8. _________ Yield: The amount that should be produced during an experiment based on stoichiometry calculations
  9. _________ Yield: The amount that is produced during a lab experiment
  10. _________ Replacement: A + BC → AC + B
  11. _________ change is when a substance reacts and changes into a different substance.
  12. A chemical reaction that absorbs more energy than it releases
  13. Numbers added to a chemical equation in order to balance the amount of atoms on either side of the equation.
  14. The substance(s) at the ending of a chemical reaction
  15. Mole _________: Used to convert from moles of what we are given to moles of what we want in a stoichiometry problem
  16. Diatomic Seven

29 Clues: A + B → AB • AB → A + B • Diatomic Seven • Law of _________ of Mass • For gases it is measured in K. • For gases it is measured in L. • For gases it is measured in atm. • A substance that is dissolved in water • _________ Replacement: A + BC → AC + B • _________ Replacement: AB + CD → AD + CB • A solid that is formed during a chemical reaction • ...

Chapter 8 Chemistry Vocab 2023-03-08

Chapter 8 Chemistry Vocab crossword puzzle
Across
  1. occurs when a compound is broken down into simpler substances
  2. a substance that dissolves in water, dissociating completely into ions
  3. a chemical showing the complete (undissociated) forms of all reactants and products
  4. a reaction that forms water when an acid is mixed with a base
  5. the new substance formed by a chemical reaction; it is shown to the right of the reaction arrow
  6. a substance that produces hydrogen ions in aqueous solution; a proton donor
  7. a base that completely dissociates to produce ions in solution
  8. a chemical equation for a reaction in solution showing only those components that are directly involved in the reaction; strong electrolytes are represented as ions
  9. the solid that forms in a precipitation reaction
  10. the percent by mass of a component of a mixture or of a given element in a compound
  11. a solid that readily dissolves in water
  12. an ionic compound
  13. a process in which one or more substances are changed into one or more new substances by the reorganization of component atoms
  14. a chemical equation that has the same number of each type of atom on the product side and the reactant side
  15. a formula that gives the exact numbers and types of atoms in a molecule of a substance
  16. an oxidation–reduction reaction that involves
  17. a small unit of mass equal to
Down
  1. a chemical reaction in which a compound is formed from simpler materials
  2. a reaction in which ions in two compounds exchange places, forming two new compounds
  3. a chemical equation for a reaction in solution representing all strong electrolytes
  4. the weighted average of the masses of all the isotopes of an element
  5. a chemical reaction involving the transfer of electrons
  6. a reaction in which a solid forms and separates from the solution as a solid
  7. the number of atoms in exactly of pure 12C, equal to
  8. ions present in solution that do not participate directly in a reaction
  9. the starting substance of a chemical reaction shown to the left of the reaction arrow
  10. a formula that gives the simplest whole number ratio of the atoms present in a compound
  11. a substance that produces hydroxide ions in solution; a proton accepto
  12. the number equal to the number of carbon atoms in exactly of pure 12C; Avogadro’s number; one mole represents
  13. (slightly soluble solid) a solid that dissolves to such a small degree that it is not detectable to the naked eye
  14. an acid that completely dissociates (ionizes) to produce ions in solution
  15. a representation of chemical reaction using the formulas of the starting substances that react and the new substances that are formed
  16. the mass in grams of one mole of a compound

33 Clues: an ionic compound • a small unit of mass equal to • a solid that readily dissolves in water • the mass in grams of one mole of a compound • an oxidation–reduction reaction that involves • the solid that forms in a precipitation reaction • the number of atoms in exactly of pure 12C, equal to • a chemical reaction involving the transfer of electrons • ...

Chemistry crossword 2015-11-23

Chemistry crossword crossword puzzle
Across
  1. matter that exist as a solid,liquid or gas
  2. substance that helps a chemical reaction to proceed more quickly
  3. vertical column of elements in the periodic table
  4. positively charged part of an atom
  5. the smallest part of an element that is representative of that element
  6. an experiment in which all reactants and all the products of a chemical reaction are all accounted for
  7. chemical reaction that absorbs heat energy
  8. groups of atoms acting as one
  9. change in the appearance or state of a substance that does not change the compositions
  10. compound with a metal and a non metal combined
  11. positively charged particle in the nucleus of an atom
  12. group 17 elements in the periodic table
  13. chemical reaction that releases heat energy
  14. characteristic that that describes a particular substance
  15. atom that has become a electrically charged because it has lost or gained electrons
Down
  1. the materials at the start of the reaction
  2. invisible negativity charged particle that orbits the nucleus of an atom
  3. element that has both metallic and non-metallic properties
  4. the materials produced by the reaction
  5. change that results when two or more substances react to create a different substance or substances
  6. slow chemical change that occurs when oxygen in the air reacts with a metal
  7. an experiment in which one or more products of a chemical reactions can escape
  8. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  9. chemical combination of two or more elements in a specific ratio
  10. table a table in which the element are organized

25 Clues: groups of atoms acting as one • positively charged part of an atom • the materials produced by the reaction • group 17 elements in the periodic table • the materials at the start of the reaction • matter that exist as a solid,liquid or gas • chemical reaction that absorbs heat energy • chemical reaction that releases heat energy • ...

Chemistry Crossword 2018-02-12

Chemistry Crossword crossword puzzle
Across
  1. the science that deals with the composition and properties of substances and various elementary forms of matter.
  2. a property of a physical body and a measure of its resistance to acceleration when a net force is applied.
  3. a type of reaction in which multiple reactants combine to form a single product.
  4. a chemical bond that involves the sharing of electron pairs between atoms.
  5. a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.
  6. the table of elements is called the ______ ____.
  7. a substance that is formed as the result of a chemical reaction.
  8. a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.
  9. 6.022×10^23
  10. a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength.
  11. a reaction between any combustible material and an oxidizer to form an oxidized product.
Down
  1. a substance that takes part in and undergoes change during a reaction.
  2. the basic unit of an element.
  3. a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound.
  4. a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
  5. a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.
  6. mass/volume.
  7. _____ is made up of atoms.
  8. a type of chemical reaction that involves breaking down a compound into smaller compounds or individual elements.
  9. a substance that cannot be broken down into simpler substances by chemical means.

20 Clues: 6.022×10^23 • mass/volume. • _____ is made up of atoms. • the basic unit of an element. • the table of elements is called the ______ ____. • 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 bond that involves the sharing of electron pairs between atoms. • ...

Chapter 2 2022-10-04

Chapter 2 crossword puzzle
Across
  1. A reaction that switches places forming a new compound.
  2. The substances produced by a chemical reaction.
  3. A reaction that releases thermal energy.
  4. substance that increase reaction rate by lowering the activation energy.
  5. A reaction that absorbs energy.
  6. A chemical reaction that produces carbon dioxide and water.
  7. A chemical reaction when one compound breaks down into two substances.
  8. A substance that slows or stops a reaction.
Down
  1. The small amount of energy needed to start a reaction.
  2. The starting substances in a chemical reaction.
  3. A process in which atoms rearrange to form a new substance.
  4. A catalyst that speeds up a reaction.
  5. A chemical reaction that has two substances combine to make a compound.

13 Clues: A reaction that absorbs energy. • A catalyst that speeds up a reaction. • A reaction that releases thermal energy. • A substance that slows or stops a reaction. • The starting substances in a chemical reaction. • The substances produced by a chemical reaction. • The small amount of energy needed to start a reaction. • ...

science 2022-05-06

science crossword puzzle
Across
  1. detailed information on how to handle dangerous substances at work
  2. transformation combining to make a different product
  3. installed device to remove sulfur and other pollutants
  4. a reaction that involves two substances to balance it
  5. human made substance
  6. man made synthetic materials
  7. any chemical reaction that absorbs heat
  8. chemical substance that kills animals or plants
  9. compounds that trap heat in the atmosphere
  10. acidic liquids deposited on earth
Down
  1. any chemical reaction that releases heat
  2. chemical reaction that produces heat and light
  3. earths natural process of warming and cooling
  4. chemical that kills certain plants
  5. chemical process that breaks down metals
  6. combined metals formed to make one

16 Clues: human made substance • man made synthetic materials • acidic liquids deposited on earth • chemical that kills certain plants • combined metals formed to make one • any chemical reaction that absorbs heat • any chemical reaction that releases heat • chemical process that breaks down metals • compounds that trap heat in the atmosphere • ...

Chapter 2 2022-10-04

Chapter 2 crossword puzzle
Across
  1. A chemical reaction that produces carbon dioxide and water.
  2. A process in which atoms rearrange to form a new substance.
  3. A reaction that switches places forming a new compound.
  4. A catalyst that speeds up a reaction.
  5. substance that increase reaction rate by lowering the activation energy.
  6. A reaction that releases thermal energy.
Down
  1. A substance that slows or stops a reaction.
  2. The starting substances in a chemical reaction.
  3. A chemical reaction that has two substances combine to make a compound.
  4. The small amount of energy needed to start a reaction.
  5. The substances produced by a chemical reaction.
  6. A reaction that absorbs energy.
  7. A chemical reaction when one compound breaks down into two substances.

13 Clues: A reaction that absorbs energy. • A catalyst that speeds up a reaction. • A reaction that releases thermal energy. • A substance that slows or stops a reaction. • The starting substances in a chemical reaction. • The substances produced by a chemical reaction. • The small amount of energy needed to start a reaction. • ...

chemical reactions 2023-04-27

chemical reactions crossword puzzle
Across
  1. more energy required to break bonds than is released when new ones are formed
  2. states atoms, ions, and molecules must collide in order to react
  3. a change in which one or more substances are converted into new substances
  4. starting substances in a chemical reaction
  5. activation energy required is less than that released when new bonds form
  6. substance that speeds up a chemical reaction without permanently changing itself
  7. reaction where energy is given off
  8. mass in grams of one mole of a substance
  9. an insoluble compound that comes out of solution during this type of reaction
Down
  1. when the energy needed to keep a reaction going is thermal
  2. when a substance reacts with oxygen to produce energy as heat and light
  3. is a state in which forward and reverse reactions or processes proceed at equal rates
  4. end substances in a chemical reaction
  5. the rate at which reactants change into products
  6. two or more substances combine to form another substance
  7. one or more substance breaks down into two or more substances
  8. represent the number of units of each substance taking part in a reaction
  9. way to describe a chemical reaction using chemical formulas and other symbols
  10. the amount of a substance that contains 6.02 x 10^23

19 Clues: reaction where energy is given off • end substances in a chemical reaction • mass in grams of one mole of a substance • starting substances in a chemical reaction • the rate at which reactants change into products • the amount of a substance that contains 6.02 x 10^23 • two or more substances combine to form another substance • ...

STOICHIOMETRY 2024-04-01

STOICHIOMETRY crossword puzzle
Across
  1. Substances formed as a result of a chemical reaction.
  2. Numbers in front of a formula in a balanced chemical equation that indicate the proportion of molecules or formula units involved in the reaction.
  3. Substances consumed or altered in a chemical reaction.
  4. The reactant in a chemical reaction that remains when the reaction stops because the limiting reactant is all used up.
  5. number The number of units in one mole of any substance, approximately
  6. A symbolic representation of a chemical reaction, showing the reactants and products and their relative quantities
  7. A chemical equation where the number of atoms for each element is equal on both sides of the equation.
  8. The study of the quantitative relationships between the elements in compounds and the reactants and products in chemical reactions.
  9. The reactant that is completely consumed in a reaction, determining the maximum amount of product that can be formed.
Down
  1. A process that leads to the transformation of one set of chemical substances to another.
  2. The unit of amount in chemistry representing Avogadro's number of particles.
  3. A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound.
  4. The mass of a given substance (chemical element or chemical compound) divided by its amount of substance, measured in grams per mole.
  5. The ratio between the amounts in moles of any two compounds involved in a chemical reaction.
  6. The ratio of the masses of substances involved in a reaction.

15 Clues: Substances formed as a result of a chemical reaction. • Substances consumed or altered in a chemical reaction. • The ratio of the masses of substances involved in a reaction. • number The number of units in one mole of any substance, approximately • The unit of amount in chemistry representing Avogadro's number of particles. • ...

ch 7 vocab 2023-01-04

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

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

Chapter 7 vocab 2023-01-04

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

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

Chapter 7 vocab 2023-01-03

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

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

Chapter 7 vocab 2023-01-03

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

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

Chemical Reactions 2025-01-13

Chemical Reactions crossword puzzle
Across
  1. the chemical present before a chemical reaction occurs
  2. the chemicals present after a chemical reaction occurs
  3. a reaction that releases heat to the surroundings
  4. a reaction that absorbs heat from the surroundings
  5. a shorthand that uses chemical symbols and molecular formulas to show what occurs during a chemical reaction
  6. the addition of oxygen to a chemical substance
  7. a natural law stating that the same amount of mass is present before and after a chemical reaction
Down
  1. a type of chemical reaction that involves the combination of oxygen and fuel
  2. a type of chemical reaction in which two or more substances combine and form one compound
  3. a type of chemical reaction that involves one chemical compound that breaks into two or more separate compounds or elements
  4. a type of chemical reaction that involves the exchange of ions in ionic compounds
  5. the rearrangement of atoms by the breaking and reforming of chemical bonds

12 Clues: the addition of oxygen to a chemical substance • a reaction that releases heat to the surroundings • a reaction that absorbs heat from the surroundings • the chemical present before a chemical reaction occurs • the chemicals present after a chemical reaction occurs • the rearrangement of atoms by the breaking and reforming of chemical bonds • ...

Chapter 7 vocab 2023-01-04

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

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

Chemistry. 2018-01-03

Chemistry. crossword puzzle
Across
  1. stances that help a reaction proceed faster.
  2. a natural catalyst
  3. slow chemical change that occurs when oxygen in the air reacts with a metal.
  4. WHMIS
  5. results in the formation of a different substance or substances.
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  7. every element is composed of a particle called a(n)...
  8. new materials produced by the reaction.
  9. material that cannot be broken down into any simpler substance
Down
  1. chemical reaction that absorbs heat energy.
  2. a particle smaller than an atom
  3. chemical reaction that releases heat energy.
  4. a chemical reaction that takes place in the cells in your body.
  5. positively charged particles
  6. describes how a substance interacts with other substances such as acids.
  7. made of only one kind of matter and has a unique set of properties that sets it apart from any other kind of matter.
  8. neutral particles

17 Clues: WHMIS • neutral particles • a natural catalyst • positively charged particles • a particle smaller than an atom • new materials produced by the reaction. • chemical reaction that absorbs heat energy. • chemical reaction that releases heat energy. • stances that help a reaction proceed faster. • every element is composed of a particle called a(n)... • ...

Enzymes and Energy 2025-10-20

Enzymes and Energy crossword puzzle
Across
  1. Energy needed to start a reaction
  2. An agent that speeds up the rate of a chemical reaction
  3. A type of chemical reaction that requires an addition of free energy (ΔG > 0)
  4. Cellular energy molecules (adenine, ribose, 3 phosphates groups)
  5. type of energy that relates to a ball rolling down a hill
  6. type of energy that relates to a ball resting on top of a staircase
  7. Usable energy (G)
  8. The location in an enzyme where a chemical reaction takes place.
  9. Breaks down molecules through hydrolysis
  10. reaction that adds a phosphate group to molecule
Down
  1. proteins that catalyze/ speed up reactions
  2. molecule gets larger by gaining electrons
  3. ____ is the conformational changes that causes substrate to bind more tightly to enzyme
  4. mechanism prevents the overproduction of a substance
  5. building of molecules through dehydration
  6. A type of chemical reaction that releases free energy (ΔG < 0)
  7. _______ potential energy is contained within covalent bonds in molecules.

17 Clues: Usable energy (G) • Energy needed to start a reaction • Breaks down molecules through hydrolysis • molecule gets larger by gaining electrons • building of molecules through dehydration • proteins that catalyze/ speed up reactions • reaction that adds a phosphate group to molecule • mechanism prevents the overproduction of a substance • ...

morgans crossword puzzle 2024-05-15

morgans crossword puzzle crossword puzzle
Across
  1. when two substances combined and create a new one
  2. the amount of space a object takes up
  3. the quantity of matter within a given object
  4. the ability to do work
  5. a chemical reaction witch are formed due to a chemical reaction
  6. a form of energy that is transfer between two or more substances with different temp
  7. the smallest part of a substance
  8. chemical reaction when they absorb heat energy from there surroundings
Down
  1. anything that takes up space or can be weighed
  2. a substance that speeds up a chemical reaction
  3. a link between atoms and molecules
  4. a substance made from two or more different elements
  5. releases heat cause the immediate surroundings to rise
  6. a substance that cant be broken down
  7. the starting materials in a reaction that undergo a chemical change
  8. a material composed of two or more substance
  9. a substance they can be observed or measured without changing idenity
  10. the action or property of molecules

18 Clues: the ability to do work • the smallest part of a substance • a link between atoms and molecules • the action or property of molecules • a substance that cant be broken down • the amount of space a object takes up • the quantity of matter within a given object • a material composed of two or more substance • anything that takes up space or can be weighed • ...

Chemical reactions 2024-08-13

Chemical reactions crossword puzzle
Across
  1. Principle stating that mass in a closed system remains constant, regardless of the processes acting inside the system.
  2. A chemical reaction that typically involves burning with oxygen and releases energy.
  3. A property of an acid where the substance can destroy or irreversibly damage another substance by chemical action.
  4. The color often associated with acids in pH indicators.
  5. The gradual destruction of materials, usually metals, by chemical reactions with the environment.
  6. The slow oxidation of iron in the presence of water and oxygen, forming iron oxide.
  7. A substance that donates hydrogen ions and has a pH less than 7.
  8. The ion formed when a base dissociates in water.
Down
  1. A symbolic representation of a chemical reaction using chemical formulas.
  2. A substance that takes part in and undergoes change during a chemical reaction.
  3. The taste associated with many bases.
  4. The reaction between an acid and a base to form water and a salt.
  5. A simple sugar that is an important energy source in living organisms.
  6. A type of reaction that absorbs heat from its surroundings.
  7. The process by which plants use sunlight to synthesize foods from carbon dioxide and water.
  8. A substance formed as the result of a chemical reaction.
  9. A ______ equation is a way of representing a chemical reaction using the names of the reactants and products.

17 Clues: The taste associated with many bases. • The ion formed when a base dissociates in water. • The color often associated with acids in pH indicators. • A substance formed as the result of a chemical reaction. • A type of reaction that absorbs heat from its surroundings. • A substance that donates hydrogen ions and has a pH less than 7. • ...

Physical science 2023-09-28

Physical science crossword puzzle
Across
  1. sns
  2. ab
  3. sa
  4. ans
  5. the substances that undergo change in a chemical reaction (the starting materials of a reaction)
  6. snds
  7. reaction ab
  8. ds
  9. and
Down
  1. san
  2. an
  3. a representation of a chemical reaction in which reactants and products are expressed as formulas
  4. an
  5. ab
  6. smd
  7. sjds
  8. the new substances that are formed as a result of a chemical reaction

17 Clues: an • an • ab • ab • sa • ds • san • sns • smd • ans • and • sjds • snds • reaction ab • the new substances that are formed as a result of a chemical reaction • the substances that undergo change in a chemical reaction (the starting materials of a reaction) • a representation of a chemical reaction in which reactants and products are expressed as formulas

Ch 4 Vocab 2019-10-04

Ch 4 Vocab crossword puzzle
Across
  1. ion that does not undergo a chemical or physical change during a reaction, but its presence is required to maintain charge neutrality
  2. substance added to the sample in a titration analysis to permit visual detection of the end point
  3. quantitative chemical analysis method involving the separation of an analyte from a sample by a physical or chemical process and subsequent mass measurements of the analyte, reaction product, and/or sample
  4. relationships between the amounts of reactants and products of a chemical reaction
  5. volume of titrant solution required to react completely with the analyte in a titration analysis; provides a stoichiometric amount of titrant for the sample’s analyte according to the titration reaction
  6. ratio of coefficients in a balanced chemical equation, used in computations relating amounts of reactants and products
  7. substance that produces H3O+ when dissolved in water
  8. reaction that produces one or more insoluble products; when reactants are ionic compounds, sometimes called double-displacement or metathesis
  9. solution containing a known concentration of substance that will react with the analyte in a
  10. the extent to which a substance may be dissolved in water, or any solvent
  11. (also, oxidation state) the charge each atom of an element would have in a compound if the compound were ionic
  12. amount of product formed in a reaction
  13. reactant present in an amount greater than required by the reaction stoichiometry
  14. process in which an element’s oxidation number is increased by loss of electrons
  15. insoluble product that forms from reaction of soluble reactants
  16. reaction involving the transfer of a hydrogen ion between reactant species
  17. symbolic representation of a chemical reaction
  18. (also, replacement) redox reaction involving the oxidation of an elemental substance by an ionic species
  19. substance undergoing a chemical or physical change; shown on the left side of the arrow in a chemical
  20. base that reacts completely when dissolved in water to yield hydroxide ions
  21. acid that reacts only to a slight extent when dissolved in water to yield hydronium ions
  22. of relatively high solubility; dissolving to a relatively large extent
  23. vigorous redox reaction producing significant amounts of energy in the form of heat and, sometimes, light
  24. reaction between an acid and a base to produce salt and water
  25. substance that produces OH− when dissolved in water
  26. an equation that shows whether each reactant loses or gains electrons in a reaction.
Down
  1. number placed in front of symbols or formulas in a chemical equation to indicate their relative amount
  2. (also, oxidant) substance that brings about the oxidation of another substance, and in the process becomes reduced
  3. substance formed by a chemical or physical change; shown on the right side of the arrow in a chemical equation
  4. the determination of the amount or concentration of a substance in a sample
  5. of relatively low solubility; dissolving only to a slight extent
  6. acid that reacts completely when dissolved in water to yield hydronium ions
  7. measure of the efficiency of a reaction, expressed as a percentage of the theoretical yield
  8. titration analysis quantitative chemical analysis method that involves measuring the volume of a reactant solution required to completely react with the analyte in a sample
  9. (also, redox reaction) reaction involving a change in oxidation number for one or more reactant elements
  10. reactant present in an amount lower than required by the reaction stoichiometry, thus limiting the amount of product generated
  11. chemical equation in which all reactants and products are represented as neutral substances net ionic equation chemical equation in which only those dissolved ionic reactants and products that undergo a
  12. gravimetric technique used to determine the elemental composition of a compound via the collection and weighing of its gaseous combustion products
  13. chemical equation in which all dissolved ionic reactants and products, including spectator ions, are explicitly represented by formulas for their dissociated ions
  14. ionic compound that can be formed by the reaction of an acid with a base that contains a cation and an anion
  15. amount of product that may be produced from a given amount of reactant(s) according to the reaction stoichiometry
  16. device used for the precise delivery of variable liquid volumes, such as in a titration analysis
  17. measured volume of titrant solution that yields the change in sample solution appearance or other property expected for stoichiometric equivalence (see equivalence point)
  18. chemical equation with equal numbers of atoms for each element in the reactant and product
  19. process in which an element’s oxidation number is decreased by gain of electrons
  20. chemical species of interest
  21. (also, reductant) substance that brings about the reduction of another substance, and in the process becomes oxidized
  22. or physical change are represented (excludes spectator ions)
  23. base that reacts only to a slight extent when dissolved in water to yield hydroxide ions
  24. than hydroxide or oxide

50 Clues: than hydroxide or oxide • chemical species of interest • amount of product formed in a reaction • symbolic representation of a chemical reaction • substance that produces OH− when dissolved in water • substance that produces H3O+ when dissolved in water • or physical change are represented (excludes spectator ions) • ...

chemical reactions 2019-04-30

chemical reactions crossword puzzle
Across
  1. all symbol equations must be this
  2. used to test for carbon dioxide
  3. the chemicals made in a reaction
  4. reaction where heat is transferred to the surroundings
  5. the mass of reactants always equals the mass of the products
  6. a fuel made millions of years ago
  7. change where a chemical changes form but is the same substance
Down
  1. when iron is oxidised
  2. speeds up a reaction but is not used up
  3. decomposition using heat
  4. in an equation means react to make
  5. reaction where heat is taken in from the surroundings
  6. burning
  7. reaction when a substance is broken down into simpler substances
  8. will run out one day
  9. the chemicals used to start a reaction
  10. a chemical reaction where oxides are made
  11. change when 2 reactants form a new substance
  12. burns to release energy

19 Clues: burning • will run out one day • when iron is oxidised • burns to release energy • decomposition using heat • used to test for carbon dioxide • the chemicals made in a reaction • all symbol equations must be this • a fuel made millions of years ago • in an equation means react to make • the chemicals used to start a reaction • speeds up a reaction but is not used up • ...

Chemical reactions 2024-08-13

Chemical reactions crossword puzzle
Across
  1. Principle stating that mass in a closed system remains constant, regardless of the processes acting inside the system.
  2. A chemical reaction that typically involves burning with oxygen and releases energy.
  3. A property of an acid where the substance can destroy or irreversibly damage another substance by chemical action.
  4. The color often associated with acids in pH indicators.
  5. The gradual destruction of materials, usually metals, by chemical reactions with the environment.
  6. The slow oxidation of iron in the presence of water and oxygen, forming iron oxide.
  7. A substance that donates hydrogen ions and has a pH less than 7.
  8. The ion formed when a base dissociates in water.
Down
  1. A symbolic representation of a chemical reaction using chemical formulas.
  2. A substance that takes part in and undergoes change during a chemical reaction.
  3. The taste associated with many bases.
  4. The reaction between an acid and a base to form water and a salt.
  5. A simple sugar that is an important energy source in living organisms.
  6. A type of reaction that absorbs heat from its surroundings.
  7. The process by which plants use sunlight to synthesize foods from carbon dioxide and water.
  8. A substance formed as the result of a chemical reaction.
  9. A ______ equation is a way of representing a chemical reaction using the names of the reactants and products.

17 Clues: The taste associated with many bases. • The ion formed when a base dissociates in water. • The color often associated with acids in pH indicators. • A substance formed as the result of a chemical reaction. • A type of reaction that absorbs heat from its surroundings. • A substance that donates hydrogen ions and has a pH less than 7. • ...

Chemistry 2024-03-18

Chemistry crossword puzzle
Across
  1. Matter cannot be created or destroyed
  2. Bonds formed when atoms share electrons
  3. A short way to show what elements are in a compound and how many of each there are
  4. Substances that's slow down or stop chemical reactions
  5. Things that come from nature
  6. Substances that make chemical reactions happen faster
  7. Pure substances made up of only one type of atom
  8. The new substances form the chemical reaction
  9. 2 or more substances that join together
  10. A chemical reaction that absorbs heat energy
Down
  1. Made by people
  2. A chemical reaction that releases heat energy
  3. Small numbers written to show how many atoms of each element are in a compound
  4. Things that make up everything around us
  5. When substances change into different ones
  6. Numbers written in front of chemical formulas to balance equations
  7. Bonds formed by the attraction between positively and negatively charged ions
  8. The substances you start within a chemical reaction
  9. Heat Energy

19 Clues: Heat Energy • Made by people • Things that come from nature • Matter cannot be created or destroyed • Bonds formed when atoms share electrons • 2 or more substances that join together • Things that make up everything around us • When substances change into different ones • A chemical reaction that absorbs heat energy • A chemical reaction that releases heat energy • ...

Unit 3 2025-11-13

Unit 3 crossword puzzle
Across
  1. | A solution that temporarily contains more than the maximum amount of dissolved solute (more than a saturated solution) at a specific temperature.
  2. | A process or reaction that releases energy, usually in the form of heat, to the surroundings.
  3. a homogeneous mixture of two or more substances
  4. Reaction | A process that involves the rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction
  5. Displacement | A type of chemical reaction where the ions of two compounds exchange places in an aqueous solution to form two new compounds.
  6. | A solid that is formed in a solution during a chemical reaction. The formation of a precipitate is often indicated by the abbreviation $ (s) $ in a chemical equation.
  7. Equation | A symbolic representation of a chemical reaction using chemical formulas to represent the reactants and products. The arrow (→) indicates the direction of the reaction.
  8. Displacement | A type of chemical reaction where one element replaces another element in a compound.
  9. | A number written slightly below and to the right of a chemical symbol in a formula, indicating the number of atoms of that element in the molecule.
Down
  1. | A solution that contains the maximum amount of dissolved solute possible under the given conditionsUnsaturated | A solution that contains less than the maximum amount of dissolved solute.
  2. the substance that is dissolved in another substance (the solvent) to form a solution. It's usually the component present in the smaller amount.
  3. | A substance that produces hydroxide ions (OH−) when dissolved in water
  4. | A solution that contains less than the maximum amount of dissolved solute.
  5. | A type of chemical reaction where a single compound breaks down into two or more simpler substances.
  6. | A process or reaction that absorbs energy, usually in the form of heat, from the surroundings.
  7. | A solution containing a relatively large amount of solute per unit volume of solvent.
  8. | A number placed in front of a chemical formula in a chemical equation to balance the reaction, indicating the relative number of molecules or moles of the substance.
  9. | A number or symbol written slightly above and to the right of a chemical symbol, usually indicating the charge (oxidation state) of an ion
  10. | The process where an ionic compound or a molecule separates or breaks apart into smaller ions, atoms, or molecules, usually when dissolved in a solvent like water.
  11. | A type of chemical reaction where two or more simple substances combine to form a more complex substance.
  12. | A substance that produces hydrogen ions (H+) when dissolved in water

21 Clues: a homogeneous mixture of two or more substances • | A substance that produces hydrogen ions (H+) when dissolved in water • | A substance that produces hydroxide ions (OH−) when dissolved in water • | A solution that contains less than the maximum amount of dissolved solute. • ...

Biomolecules and Enzymes 2021-03-24

Biomolecules and Enzymes crossword puzzle
Across
  1. monomer of proteins
  2. breaks down sugars
  3. where the enzymes will hold the reacting chemicals
  4. for an enzyme to go through a chemical reaction it needs a ______ substrate
  5. makes the cell membrane
  6. what is called when the chemical reaction works the best at a certain temperature?
  7. storage of genetic information
  8. the reactants of an enzyme
  9. when atoms react with each other
  10. energy storage
  11. quick energy source
Down
  1. what the energy is called for the chemical reaction
  2. monomer of nucleic acid
  3. what are the finishing results of a chemical reaction called?
  4. monomers of lipids
  5. smaller subunits of polymers
  6. long chains of macromolecules
  7. what is it called when enzymes speed up reactions?
  8. what chemical reactions require to start
  9. breaks down food
  10. monomer of carbohydrates
  11. what information does DNA code for?
  12. makes structure and enzymes
  13. the process of an enzyme changing its shape
  14. make sugar for food

25 Clues: energy storage • breaks down food • monomers of lipids • breaks down sugars • monomer of proteins • make sugar for food • quick energy source • monomer of nucleic acid • makes the cell membrane • monomer of carbohydrates • the reactants of an enzyme • makes structure and enzymes • smaller subunits of polymers • long chains of macromolecules • storage of genetic information • ...

Chapter 2 2022-10-04

Chapter 2 crossword puzzle
Across
  1. A reaction that switches places forming a new compound.
  2. The substances produced by a chemical reaction.
  3. A reaction that releases thermal energy.
  4. substance that increase reaction rate by lowering the activation energy.
  5. A reaction that absorbs energy.
  6. A chemical reaction that produces carbon dioxide and water.
  7. A chemical reaction when one compound breaks down into two substances.
  8. A substance that slows or stops a reaction.
Down
  1. The small amount of energy needed to start a reaction.
  2. The starting substances in a chemical reaction.
  3. A process in which atoms rearrange to form a new substance.
  4. A catalyst that speeds up a reaction.
  5. A chemical reaction that has two substances combine to make a compound.

13 Clues: A reaction that absorbs energy. • A catalyst that speeds up a reaction. • A reaction that releases thermal energy. • A substance that slows or stops a reaction. • The starting substances in a chemical reaction. • The substances produced by a chemical reaction. • The small amount of energy needed to start a reaction. • ...

Mole-Mass Relationship Crossword 2021-11-17

Mole-Mass Relationship Crossword crossword puzzle
Across
  1. formula, tells the number of each type of atom.
  2. yield, the percent of the theoretical yield actually obtained from a chemical reaction.
  3. if unknown pure compound can be _______, the masses of elements present can be determined.
  4. a chemical equation tell how many molecules, and thus how many moles, of each reactants are needed and how many of each products are formed.
  5. equation, an equation in which ions are explicitly shown.
  6. reagent, is the reactant that runs out first.
  7. yield, the amount of product actually formed in a reaction.
  8. formula, represent real three-dimensional objects.
  9. equation, expression in which symbols are used to represent a chemical reaction.
  10. number, contains 6.022 x 1023 formula units.
  11. weight, the sum of the atomic weights for all the atoms in the molecule or formula unit.
Down
  1. to obtain the correct ratio of reactant molecules, the reactants must be ______
  2. formula, the simplest whole-number ratio of moles of each element in the compound.
  3. yield, the amount of product formed assuming complete reaction of the limiting reagent.
  4. weight, the average mass of an element’s atoms.
  5. substances that are present at the end of a chemical reaction.
  6. formula, identifies the location of chemical bonds between the atoms of a molecule.
  7. measure of the quantitative relationship between the products and reactants of a given chemical reaction.
  8. chemical equations, indicate what is happening at the molecular level during a reaction.
  9. a substance that enters into and is altered in the course of a chemical reaction.
  10. to mass, conversion that is carried out using molas mass as a conversion factor.
  11. ratios, coefficients can be put in the form of ______, which act as conversion factors when setting up factor-label calculations.
  12. is the amount of a substance whose mass in grams is numerically equal to its molecular or formula weight.
  13. mass, this serves as a conversion factor between numbers of moles and mass.
  14. weight, is the average mass of a substance’s molecules.

25 Clues: reagent, is the reactant that runs out first. • number, contains 6.022 x 1023 formula units. • formula, tells the number of each type of atom. • weight, the average mass of an element’s atoms. • formula, represent real three-dimensional objects. • weight, is the average mass of a substance’s molecules. • equation, an equation in which ions are explicitly shown. • ...

Chapter 2 2022-10-04

Chapter 2 crossword puzzle
Across
  1. A reaction that releases thermal energy.
  2. The small amount of energy needed to start a reaction.
  3. A reaction that switches places forming a new compound.
  4. A chemical reaction that produces carbon dioxide and water.
  5. A chemical reaction that has two substances combine to make a compound.
  6. The starting substances in a chemical reaction.
Down
  1. A process in which atoms rearrange to form a new substance.
  2. substance that increase reaction rate by lowering the activation energy.
  3. A reaction that absorbs energy.
  4. A catalyst that speeds up a reaction.
  5. The substances produced by a chemical reaction.
  6. A chemical reaction when one compound breaks down into two substances.
  7. A substance that slows or stops a reaction.

13 Clues: A reaction that absorbs energy. • A catalyst that speeds up a reaction. • A reaction that releases thermal energy. • A substance that slows or stops a reaction. • The substances produced by a chemical reaction. • The starting substances in a chemical reaction. • The small amount of energy needed to start a reaction. • ...

Chapter 2 2022-10-04

Chapter 2 crossword puzzle
Across
  1. A reaction that releases thermal energy.
  2. The small amount of energy needed to start a reaction.
  3. A reaction that switches places forming a new compound.
  4. A chemical reaction that produces carbon dioxide and water.
  5. A chemical reaction that has two substances combine to make a compound.
  6. The starting substances in a chemical reaction.
Down
  1. A process in which atoms rearrange to form a new substance.
  2. substance that increase reaction rate by lowering the activation energy.
  3. A reaction that absorbs energy.
  4. A catalyst that speeds up a reaction.
  5. The substances produced by a chemical reaction.
  6. A chemical reaction when one compound breaks down into two substances.
  7. A substance that slows or stops a reaction.

13 Clues: A reaction that absorbs energy. • A catalyst that speeds up a reaction. • A reaction that releases thermal energy. • A substance that slows or stops a reaction. • The substances produced by a chemical reaction. • The starting substances in a chemical reaction. • The small amount of energy needed to start a reaction. • ...

chemistry of life 2021-09-15

chemistry of life crossword puzzle
Across
  1. molecules composed of many monomers; makes up molecules
  2. acid macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  3. pure substance that consists entirely of one type of atom
  4. negatively charged particle that orbits the nucleus in the electron cloud
  5. electron electron found in the outermost shell of an atom helps to determine bonding
  6. small chemical unit that makes up a polymer
  7. the basic unit of matter
  8. macromolecule made mostly from carbon and hydrogen atoms includes fats, oils, and waxes
  9. compound with an amino group on one end and a carboxyl group on the other end
  10. reaction- a reaction that releases energy
  11. a large organic molecule made up of many atoms
  12. mass equal to the total number of protons and neutrons in the nucleus of an atom
  13. positively charged particle found in the nucleus of an atom
Down
  1. macromolecule made up of amino acids
  2. reaction- a reaction that absorbs energy
  3. symbol one or two-letter abbreviation for a chemical element name
  4. compound made up of carbon, hydrogen, and oxygen atoms type of nutrient that is the major source of energy for the body
  5. a combination of 2 or more elements connected by bonds
  6. reactant of an enzyme-catalyzed reaction
  7. biological catalysts
  8. bond type of bond between atoms in which the electrons are shared
  9. energy- energy that is needed to get a reaction started
  10. substance formed as a result of a chemical reaction
  11. particle found in the nucleus that has no charge
  12. number the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table (also equals the number of electrons in an element)
  13. substance that speeds up the rate of a chemical reaction
  14. elements or compounds that enter into a chemical reaction

27 Clues: biological catalysts • the basic unit of matter • macromolecule made up of amino acids • reaction- a reaction that absorbs energy • reactant of an enzyme-catalyzed reaction • reaction- a reaction that releases energy • small chemical unit that makes up a polymer • a large organic molecule made up of many atoms • particle found in the nucleus that has no charge • ...

Vocab 2021-11-30

Vocab crossword puzzle
Across
  1. replacement,a chemical reaction which the negative ions in two compounds switch place forming two new compounds
  2. reaction,a process in which atoms of one or more substances rearrange to form into new substances
  3. a chemical reaction that releases thermal energy
  4. a substance that slows or even stopa a chemical reaction
  5. a chemical reaction in which a substance combines with oxygen and releases speicies
  6. replacement, a type of chemical reaction in which one element replaces another element in a compound
  7. a type of chemical reaction in which two or more substances combine and form one compound
Down
  1. a chemical reaction that aborbes thermal energy
  2. equation, a description of a reaction using element symbols and chemical formulus
  3. of conservation 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 products after a chemical reaction.
  4. a type of chemical reaction in which one compound breaks down and forms two or more substances
  5. energy, the minimum amount of energy required to start a chemical reaction in which the negative ions in two compounds switch place forming two new compounds
  6. a substance that increases the rate by lowering the activation energy of reaction

13 Clues: a chemical reaction that aborbes thermal energy • a chemical reaction that releases thermal energy • a substance that slows or even stopa a chemical reaction • equation, a description of a reaction using element symbols and chemical formulus • a substance that increases the rate by lowering the activation energy of reaction • ...

CoronaVirus 2020-05-20

CoronaVirus crossword puzzle
Across
  1. shows the symbols of the elements in the compound and the ratio of the elements to one another.
  2. conducts electricity and heat relatively well and are typically malleable or ductile.
  3. the state or process of rotting; decay.
  4. the production of chemical compounds by reaction from simpler materials.
  5. a substance that takes part in and undergoes change during a reaction.
  6. substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume .
  7. an element or substance that is not a metal.
  8. is a chemical reaction in which an acid and a base react quantitatively with each other.
  9. firm and stable in shape; not liquid or fluid.
  10. substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
  11. consisting of one atom.
  12. consisting of two atoms.
  13. a substance produced during a natural, chemical, or manufacturing process.
  14. replacement, is a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products.
  15. the symbolic representation of a chemical reaction in the form of symbols and formulae
  16. of a letter figure or symbol) written or printed below the line.
  17. is a chemical reaction in which one element replaces an/other element in a compound.
  18. a number in front of a chemical.
Down
  1. a process that involves rearrangement of the molecular or ionic structure of a substance.
  2. is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products.
  3. states that the total number of atoms of reactants must equal the number of atoms of products.
  4. the process of burning something.
  5. is a chemical reaction expressed in words rather than chemical formulas.
  6. is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.
  7. formed by the electrostatic attraction of oppositely charged ions.
  8. is a charged chemical 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. relating to or consisting of molecules.
  10. of or containing water, typically as a solvent or medium.
  11. reaction where the reactants and products react together to give the reactants back.
  12. a substance that flows freely but is of constant volume having a consistency like that of water or oil.
  13. a thing that is composed of two or more separate elements; a mixture.
  14. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

32 Clues: consisting of one atom. • consisting of two atoms. • a number in front of a chemical. • the process of burning something. • the state or process of rotting; decay. • relating to or consisting of molecules. • an element or substance that is not a metal. • firm and stable in shape; not liquid or fluid. • of or containing water, typically as a solvent or medium. • ...

Chapter 7- Chemical Reactions 2021-12-18

Chapter 7- Chemical Reactions crossword puzzle
Across
  1. a substance that undergoes change in a chemical reaction
  2. numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  3. new substances formed as a result of a chemical reaction
  4. an amount of a substance that contains approximately 6.02 x 10^23 particles of the substance
  5. a chemical reaction in which two or more substances react to form a single substance
  6. a representation of a chemical reaction in which the reactants and products are expressed as a formula
  7. a chemical reaction that absorbs energy from its surroundings
Down
  1. a chemical reaction in which two compounds exchange positive ions and form two new compounds
  2. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  3. a chemical reaction in which one element takes the place of another element in a compound
  4. a chemical reaction in which a compound breaks down into two or more simpler substances
  5. the mass of one mole of a substance
  6. a chemical reaction that releases energy to its surroundings

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

unit 3 Vocabulary 2024-03-12

unit 3 Vocabulary crossword puzzle
Across
  1. Number the number of particles in 1 mole (or mol) of a substance.
  2. composition tells you by mass what percent of each element is present in a compound.
  3. reaction a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  4. reaction the processes by which chemicals interact to form new chemicals with different compositions
  5. formula a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule.
  6. equation the symbolic representation of a chemical reaction in the form of symbols and formula
  7. of Conservation of Matter The amount of matter stays the same, even when matter changes form.
  8. mass the mass of one mole of any substance.
  9. the number that you multiply a variable by
  10. a solid formed by a change in a solution, often due to a chemical reaction or change in temperature that decreases solubility of a solid.
  11. replacement reaction a reaction in which one element is substituted for another element in a compound.
Down
  1. any compound containing water in the form of H2O molecules, usually, but not always, with a definite content of water by weight.
  2. reaction a chemical process in which two or more simple elements or compounds combine to form a more complex product.
  3. any item or service you sell to serve a customer's need or want.
  4. replacement reaction when parts of two ionic compounds are exchanged, making two new compounds.
  5. formula a formula giving the number of atoms of each of the elements present in one molecule of a specific compound.
  6. reaction a reaction in which a compound breaks down into two or more simpler substances.
  7. ratio the ratio between the amounts in moles of any two compounds involved in a balanced chemical reaction.
  8. The substances which participate in a chemical reaction
  9. a unit of measurement that is the amount of a pure substance containing the same number of chemical units

20 Clues: the number that you multiply a variable by • The substances which participate in a chemical reaction • any item or service you sell to serve a customer's need or want. • mass the mass of one mole of any substance. • Number the number of particles in 1 mole (or mol) of a substance. • ...

Chemistry 2015-06-15

Chemistry crossword puzzle
Across
  1. displacement- the chemical reactions in which one component each of both the reacting molecules is exchanged to form the products
  2. reaction- 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.
  3. equation- An expression of equality between two formulas in mathematics
  4. of conservation mass- the atoms of an object cannot be created or destroyed, but can be moved around and be changed into different particles.
  5. a chemical reaction in which an acid and a base react quantitatively with each other. In a reaction in water, neutralization results in there being no excess of hydrogen or hydroxide ions present in solution.
  6. scale- is a measure of how acidic or basic a substance is
  7. Chemical Equation- represents a chemical reaction using coefficients (numbers in front of reactants and products) that tell how much of the reactants are used and how much of the products are made
  8. displacement reaction- A single-displacement reaction, also named single-replacement reaction, is a type of oxidation-reduction chemical reaction when an element or ion moves out of one compound and into another - that is, one element is replaced by another in a compound.
  9. a compound that tastes sour, corrodes metals and tissue, and turns blue litmus paper red.
Down
  1. make (a liquid) thinner or weaker by adding water or another solvent to it.
  2. any substance that in water solution is slippery to the touch, tastes bitter, changes the colour of indicators (e.g., turns red litmus paper blue)
  3. reaction- analysis or breakdown is the separation of a chemical compound into elements or simpler compounds. It is sometimes defined as the exact opposite of a chemical synthesis.
  4. reaction- is a reaction where two or more elements or compounds
  5. indicator- a substance that changes colour when added to an acid or base
  6. non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid
  7. reactant-They are the things that are present at the starting point. By convention, the chemical symbols for the reactants are written on the left hand side of the chemical reaction equation. The products are the substances that are formed during the chemical change
  8. formula- a set of chemical symbols showing the elements present in a compound and their relative proportions, and in some cases the structure of the compound.
  9. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

18 Clues: scale- is a measure of how acidic or basic a substance is • reaction- is a reaction where two or more elements or compounds • equation- An expression of equality between two formulas in mathematics • indicator- a substance that changes colour when added to an acid or base • make (a liquid) thinner or weaker by adding water or another solvent to it. • ...

The Reaction on the Storyboard: Vocabulary Assignment 2014-01-14

The Reaction on the Storyboard: Vocabulary Assignment crossword puzzle
Across
  1. displacement reaction\ is characterized by one element being displaced from a compound by another element.
  2. the increase in the rate of a chemical reaction due to the participation of a substance.
  3. Reaction\ one of the most common types of chemical reactions.
  4. a substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.
Down
  1. the formation of a solid in a solution or inside another solid during a chemical reaction or by diffusion in a solid.
  2. this is used in math when you multiply.
  3. Relating to, similar to, containing, or dissolved in water.
  4. Reaction\ a major class of chemical reactions.
  5. Equation\ this has reactants and products.
  6. displacement reaction\ a type of reaction where part of of one reactant is replaced by part of another reactant.
  7. Molecule\ are molecules composed of only two atoms, of either the same or different chemical elements.
  8. of Conservation of Mass\ states that mass is neither created nor destroyed in any ordinary chemical reaction.
  9. Reaction\ a type of chemical reaction in which two or more simple substances combine to form a more complex product.

13 Clues: this is used in math when you multiply. • Equation\ this has reactants and products. • Reaction\ a major class of chemical reactions. • Relating to, similar to, containing, or dissolved in water. • Reaction\ one of the most common types of chemical reactions. • the increase in the rate of a chemical reaction due to the participation of a substance. • ...

Stoichiometry Terms 2017-02-09

Stoichiometry Terms crossword puzzle
Across
  1. this reactant is not fully consumed in a chemical reaction
  2. a mass unit
  3. His number is 6.02x10^23 molecules
  4. roman numerals represent a transition metals ___________.
  5. the number that goes before the formulas in a balanced chemical equation
  6. the mathematical process of determining amounts of products or reactants needed in a chemical reaction
  7. this increases the rate of a reaction
  8. the total mass of all the atoms in a compound (no space between words)
Down
  1. this property is always conserved in a chemical reaction
  2. the number(s) in a chemical formula that represent the number of individual atoms present
  3. ___________ analysis
  4. you must use this to convert from one substance to another(no space between words)
  5. the calculated yield
  6. the amount of product produced when performing a reaction in the lab
  7. this reactant determine the amount that can be produced in a chemical reaction
  8. Another name for a mole ratio is a mole ______.

16 Clues: a mass unit • ___________ analysis • the calculated yield • His number is 6.02x10^23 molecules • this increases the rate of a reaction • Another name for a mole ratio is a mole ______. • this property is always conserved in a chemical reaction • roman numerals represent a transition metals ___________. • this reactant is not fully consumed in a chemical reaction • ...

Chemistry Unit Study Guide 2016-02-10

Chemistry Unit Study Guide crossword puzzle
Across
  1. mix of nonmetals and metals
  2. Columns of elements
  3. Center of an atom
  4. Has neutral charge
  5. states mass can neither be created nor destroyed in a chemical reaction or physical change
  6. reaction that occurs in which a layer of metal is bonded to the surface of another substance
  7. Conductors of electricity, malleable, ductile
  8. a combination of atoms bonded together
  9. Material that cannot be broken down into a more fundamental substance
  10. Chemical reaction that gives off energy
  11. Has negative charge
  12. Has positive charge
Down
  1. Region of space around the nucleus of an atom where an electron is likely to be found
  2. Mass of chemical element
  3. Elements that come out of a reaction
  4. Row of elements
  5. Chemical reaction that absorbs enter
  6. First person to draw periodic table
  7. Element that lacks metallic attributes
  8. Number of protons in atom
  9. Outermost electron
  10. All elements in far right Group
  11. letter(s) that an element is paired with
  12. Basic unit of a chemical element
  13. elements that are put in a reaction
  14. pure substance of two or more different kinds of atoms bonded together

26 Clues: Row of elements • Center of an atom • Has neutral charge • Outermost electron • Columns of elements • Has negative charge • Has positive charge • Mass of chemical element • Number of protons in atom • mix of nonmetals and metals • All elements in far right Group • Basic unit of a chemical element • First person to draw periodic table • elements that are put in a reaction • ...

Chemical Reactions 2024-04-19

Chemical Reactions crossword puzzle
Across
  1. process in which one or more substances are changed into new substances
  2. chemical reaction in which one substance breaks down into two or more substances
  3. chemical reaction in which two or more substances combine to form a different substance
  4. the gain of electrons by the atoms of a substance in a chemical reaction
  5. chemical reaction that releases some form of energy, such as light or thermal energy
  6. substance that speeds up a chemical reaction without being permanently changed itself
  7. in a chemical reaction, the substance that reacts
Down
  1. chemical reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed
  2. number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction
  3. chemical reaction in which energy is primarily given off in the form of thermal energy
  4. in a chemical reaction, the new substance or substances formed
  5. chemical reaction that requires thermal energy in order to proceed

12 Clues: in a chemical reaction, the substance that reacts • in a chemical reaction, the new substance or substances formed • chemical reaction that requires thermal energy in order to proceed • process in which one or more substances are changed into new substances • the gain of electrons by the atoms of a substance in a chemical reaction • ...

Unit 8: Nomenclature Review 2024-05-13

Unit 8: Nomenclature Review crossword puzzle
Across
  1. the ending substances in a chemical reaction
  2. a reaction in which 1 substance breaks down into 2 or more products
  3. a solid formed in an aqueous reaction
  4. a reaction in which both reactants are dissociated in water, and one of the products must be a precipitate, gas, or water (2 words)
  5. when a substance can be dissolved in something else
  6. an equation that shows only the species that are involved in the aqueous reaction (2 words)
  7. a method of representing chemical reactions using arrows, chemical formulas, and coefficients (2 words)
  8. a reaction in which 2 substances combine to create 1 product
Down
  1. a reaction that consumes oxygen gas and produces heat and light
  2. species in an aqueous reaction that do not participate in the actual reaction (2 words)
  3. the solvent in aqueous solutions
  4. a reaction in which 2 ionic compounds react by swapping cations (2 words)
  5. the substance that does the dissolving in a solution
  6. a process by which the atoms of one or more substances rearrange, form new bonds, and become different substances (2 words)
  7. elements that will bond with themselves in pairs in their pure state
  8. the starting substances in a chemical reaction
  9. a reaction in which a pure element reacts with a compound (2 words)
  10. substances that are able to dissolve or dissociate in water
  11. the substance that is dissolved in a solution

19 Clues: the solvent in aqueous solutions • a solid formed in an aqueous reaction • the ending substances in a chemical reaction • the substance that is dissolved in a solution • the starting substances in a chemical reaction • when a substance can be dissolved in something else • the substance that does the dissolving in a solution • ...

combustion and chemical reaction 2024-02-13

combustion and chemical reaction crossword puzzle
Across
  1. The chemical reaction between a fuel and oxygen.
  2. The energy stored in the bonds of chemical compounds.
  3. The process of burning a substance.
  4. The reactants of a chemical reaction.
  5. The heat energy released during a chemical reaction.
  6. The products of a chemical reaction.
  7. The colorless, odorless gas produced during combustion.
  8. A substance that undergoes combustion.
Down
  1. A substance that slows down or prevents a chemical reaction.
  2. A compound containing hydrogen and carbon atoms, often found in fossil fuels.
  3. The minimum amount of energy required to initiate a chemical reaction.
  4. The substance that reacts with a fuel in combustion.
  5. A substance that increases the rate of a chemical reaction without being consumed.

13 Clues: The process of burning a substance. • The products of a chemical reaction. • The reactants of a chemical reaction. • A substance that undergoes combustion. • The chemical reaction between a fuel and oxygen. • The heat energy released during a chemical reaction. • The substance that reacts with a fuel in combustion. • ...

DGS Yr7 Chemical Reactions 2023-02-20

DGS Yr7 Chemical Reactions crossword puzzle
Across
  1. (3 words) the principle that in any chemical reaction the total mass of the reactants is equal to the total mass of the products
  2. (2 words) a change in which the form of substances change but the composition remains the same - generally reversible
  3. a chemcial reaction in which energy is transferred from the thermal store of the surroundings to the chemical store of the reactants and products
  4. (2 words) a reaction in which atoms are rearranged to form new substances - generally irreversible
  5. (2 words) variables that may assume any value in a range e.g. mass of students in a class
  6. a chemcial reaction in which energy is transferred from the chemical store of the reactants and products to the thermal store of the surroundings
  7. the substances that are formed in a chemical reaction
  8. a chemical reaction in which compound breaks down into simpler compounds or elements
  9. (2 words) fuels derived from the breakdown of living things over millions of years to form oil and natural gas
Down
  1. (2 words) variables that occupy entirely separate categories e.g. types of fruit
  2. (2 words) cannot be replaced once they have been used
  3. the process whereby a substance burns
  4. the starting substances in a chemical reaction
  5. a chemical reaction in which a substance combine with oxygen
  6. a substance that speeds up a chemical reaction but is not used up in the reaction
  7. a substance that burns to transfer energy by heating in a useful way

16 Clues: the process whereby a substance burns • the starting substances in a chemical reaction • (2 words) cannot be replaced once they have been used • the substances that are formed in a chemical reaction • a chemical reaction in which a substance combine with oxygen • a substance that burns to transfer energy by heating in a useful way • ...

Chaps 6-7 Vocab 2024-04-02

Chaps 6-7 Vocab crossword puzzle
Across
  1. notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  2. the force that holds cations and anions together
  3. a chemical reaction in which one element takes the place of another element in a compound
  4. a chemical reaction in which two or more substances react to form a single substance
  5. new substances formed as a result of a chemical reaction
  6. a chemical bond in which two atoms share a pair of valence electrons
  7. an ion with a negative charge
  8. the attraction between a metal cation and the shared electrons that surround it
  9. a substance that undergoes change in a chemical reaction
Down
  1. a chemical reaction in which a compound breaks down into two or more simpler substances
  2. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  3. a neutral group of atoms that are joined together by one or more covalent bonds
  4. an ion with a positive charge
  5. the force that holds atoms or ions together as a unit
  6. a diagram of an atom, ion or molecule in which each dot represents a valence electron
  7. numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  8. a chemical reaction in which two compounds exchange positive ions and form new compounds
  9. a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  10. an atom or group of atoms that has a positive or negative charge

19 Clues: an ion with a positive charge • an ion with a negative charge • the force that holds cations and anions together • the force that holds atoms or ions together as a unit • new substances formed as a result of a chemical reaction • a substance that undergoes change in a chemical reaction • an atom or group of atoms that has a positive or negative charge • ...

Jack Schwab-Ch13 crossword 2016-10-11

Jack Schwab-Ch13 crossword crossword puzzle
Across
  1. one half of an oxidation-reduction reaction, represented by an equation showing electrons as either reactants or products.
  2. Description of a solution in which the hydronium ion concentration is higher than the hydroxide ion concentration.
  3. The measurement of the acidity of a solution.
  4. A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right,
  5. The minimum energy in order for a chemical reaction to proceed.
  6. A rapid exothermic oxidation-reduction reaction between a material and molecular oxygen.
Down
  1. The reacting substances in a chemical reaction
  2. Description of a chemical reaction in which there is a net release of energy.
  3. The new materials formed in a chemical reaction.
  4. Matter is neither created nor destroyed during a chemical reaction.
  5. Description of a chemical reaction in which there is a net absorption of energy.
  6. A reaction between an acid and a base.
  7. The process by which a reactant loses one or more electrons.
  8. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration.
  9. Description of a solution in which the hydroxide ion concentration is higher than they hydronium ion concentration.

15 Clues: A reaction between an acid and a base. • The measurement of the acidity of a solution. • The reacting substances in a chemical reaction • The new materials formed in a chemical reaction. • The process by which a reactant loses one or more electrons. • The minimum energy in order for a chemical reaction to proceed. • ...

OPTIONAL BONUS POINT OPPORTUNITY FOR U5S1 KINETICS & HESS'S LAW 2022-02-04

OPTIONAL BONUS POINT OPPORTUNITY FOR U5S1 KINETICS & HESS'S LAW crossword puzzle
Across
  1. ____________ is the movement of one or more components of a mixture to improve contact.
  2. ______________ is the reaction that goes to the right.
  3. ___________ is a molecular entity that is formed from the reactants and reacts further to give the directly observed products of a chemical reaction.
  4. ___________ the minimum quantity of energy needed in order to start a specified reaction.
  5. __________ is the speed at which a chemical reaction takes place.
  6. __________ a statement that says the heat change in a chemical reaction is the same regardless of the number of stages in which the reaction is effected.
  7. ________________ is a reaction for which the overall standard enthalpy change ΔH⚬ is negative.
  8. _______________ is the reaction that goes to the left.
Down
  1. ____________ is the area of the chemical substances used in a chemical reaction.
  2. ________________ is any process with an increase in the enthalpy H of the system.
  3. _______ a substance that increases the rate of a chemical reaction by adding a substance.
  4. ___________________ these diagrams are used to relate the free energy changes that occur during the progress of chemical processes to the rate and equilibrium constants of the process.
  5. ________ a thermodynamic quantity equivalent to the total heat content of a system.
  6. An ___________ is a molecule that binds to an enzyme and decreases its activity.
  7. _________________ is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions.
  8. ____________ the average kinetic energy of all the atoms or molecules of that substance.

16 Clues: ______________ is the reaction that goes to the right. • _______________ is the reaction that goes to the left. • __________ is the speed at which a chemical reaction takes place. • ____________ is the area of the chemical substances used in a chemical reaction. • An ___________ is a molecule that binds to an enzyme and decreases its activity. • ...

Science Ten 2011-12-13

Science Ten crossword puzzle
Across
  1. a negatively charged ion, the result of gaining one or more electrons
  2. a positively charged ion, the result of losing one or more electrons
  3. energy
  4. a PH of 7
  5. when organic molecules burn
  6. a solid substance that forms when two liquids are mixed
  7. are negative
  8. substances that form n a chemical reaction
  9. can be divided into 2 groups
  10. a substance that can accept hydrogen ions
Down
  1. a chemical substance that neutralizes alkis
  2. provide evidence that a chemical reaction might have taken place
  3. a change when a substance changes to a new substance
  4. energy is absorbed from the surroundings
  5. have 2 or more different elements in a proportion
  6. cannot be created or destroyed
  7. a change where the properties do not change
  8. explaining an observation in terms of previous experience
  9. found in the periodic table
  10. substances that undergo change in a chemical reaction
  11. appear to be one substance but is a combination
  12. is lost or gained in every chemical reaction

22 Clues: energy • a PH of 7 • are negative • when organic molecules burn • found in the periodic table • can be divided into 2 groups • cannot be created or destroyed • energy is absorbed from the surroundings • a substance that can accept hydrogen ions • substances that form n a chemical reaction • a chemical substance that neutralizes alkis • a change where the properties do not change • ...

Claire Y 2024-05-15

Claire Y crossword puzzle
Across
  1. the smallest unit of an element
  2. a link between atoms in molecules or compounds
  3. the transfer of thermal energy
  4. the ability to do work or cause change
  5. the substances that are formed during a chemical reaction; in a chemical reaction the arrows point toward the product
  6. a science that deals with the composition, structure, and properties of substances
  7. a chemical reaction that absorbs heat energy
  8. it takes up space and has mass
  9. a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process
Down
  1. a combination of substances that can be physically separated from one another
  2. two or one atoms joined together
  3. chemical reaction that gives off heat energy
  4. a measure of the average kinetic energy of the atoms in a system, used to express thermal energy in degrees
  5. the substances present before a chemical reaction occurs
  6. the amount of space that an object occupies
  7. an action taken in response to something
  8. the ability of molecules of the same substance to stick together

17 Clues: the transfer of thermal energy • it takes up space and has mass • the smallest unit of an element • two or one atoms joined together • the ability to do work or cause change • an action taken in response to something • the amount of space that an object occupies • chemical reaction that gives off heat energy • a chemical reaction that absorbs heat energy • ...

Science 2022-03-18

Science crossword puzzle
Across
  1. does not allow matter to enter or leave, but does allow energy to enter or leave.
  2. is any process with an increase in the enthalpy H of the system.
  3. is the process or effect of simplifying a single chemical entity into two or more fragments
  4. a chemical reaction between substances
  5. the process of increasing the rate of a chemical reaction
  6. a substance that takes part in and undergoes change during a reaction.
  7. property that is measurable, whose value describes a state of a physical system.
  8. system that can freely exchange matter and energy with its surroundings.
  9. when a substance combines with another to form a new substance, called chemical synthesis
  10. A number placed in front of a formula to balance a chemical equation.
  11. material that can be made to react with other substances
  12. the abundance of a constituent divided by the total volume of a mixture.
  13. he process of transforming a dissolved substance into an insoluble solid
  14. affecting the form of a chemical substance, but not its chemical composition
Down
  1. any substance that has mass and takes up space by having volume.
  2. the symbolic representation of a chemical reaction in the form of symbols and formulae
  3. the artificial execution of chemical reactions to obtain one or several products.
  4. a molecule that binds to an enzyme and decreases its activity.
  5. chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
  6. a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products
  7. formed from chemical reactions.
  8. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
  9. scientific study of the properties and behavior of matter
  10. any system closed to all transfers of matter and energy, the mass of the system must remain constant over time,
  11. is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative.
  12. is a biological catalyst and is almost always a protein

26 Clues: formed from chemical reactions. • a chemical reaction between substances • is a biological catalyst and is almost always a protein • material that can be made to react with other substances • the process of increasing the rate of a chemical reaction • scientific study of the properties and behavior of matter • ...

Biology 2012-11-09

Biology crossword puzzle
Across
  1. the end of a reaction
  2. sugars starches
  3. A molecule that can combine with others to form a polymer
  4. single neulcaic acid form
  5. the thing that starts a chemical reaction
  6. the energy needed to activate a chemical reaction
  7. fats
Down
  1. A substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.
  2. chain, longer than ones
  3. a substance changes chemically
  4. a single sugar
  5. dna
  6. causes a reaction
  7. building blocks
  8. a block from protein
  9. a substance that forms things

16 Clues: dna • fats • a single sugar • sugars starches • building blocks • causes a reaction • a block from protein • the end of a reaction • chain, longer than ones • single neulcaic acid form • a substance that forms things • a substance changes chemically • the thing that starts a chemical reaction • the energy needed to activate a chemical reaction • ...

Biology 2012-11-09

Biology crossword puzzle
Across
  1. the end of a reaction
  2. sugars starches
  3. A molecule that can combine with others to form a polymer
  4. single neulcaic acid form
  5. the thing that starts a chemical reaction
  6. the energy needed to activate a chemical reaction
  7. fats
Down
  1. A substance participating in a chemical reaction, especially a directly reacting substance present at the initiation of the reaction.
  2. chain, longer than ones
  3. a substance changes chemically
  4. a single sugar
  5. dna
  6. causes a reaction
  7. building blocks
  8. a block from protein
  9. a substance that forms things

16 Clues: dna • fats • a single sugar • sugars starches • building blocks • causes a reaction • a block from protein • the end of a reaction • chain, longer than ones • single neulcaic acid form • a substance that forms things • a substance changes chemically • the thing that starts a chemical reaction • the energy needed to activate a chemical reaction • ...

ch. 2 vocab. #27-50 2022-09-27

ch. 2 vocab. #27-50 crossword puzzle
Across
  1. substances changed during a chemical reaction
  2. has ring structure
  3. energy that will break bonds between atoms
  4. release energy
  5. reactions changes substances by breaking bonds
  6. made of monomers called amino acids
  7. substances made by chemical reactions
  8. speeds up reaction, lowers activation energy
  9. energy absorbed
  10. stores information
  11. acids contain C,H,O,N, and sometimes S
Down
  1. made of C,H,O, sugar & starch
  2. subunit in complete molecule
  3. reactants/Products are made at same rate
  4. bond share a pair of electron
  5. acid polymer made of monomers called nucleotides
  6. catalysts for chemical reaction
  7. fats, oils, & cholesterol
  8. most abundant organic molecule on earth
  9. reactants that enzymes act on
  10. simple sugars
  11. helps build proteins
  12. energy energy needed to start reaction

23 Clues: simple sugars • release energy • energy absorbed • has ring structure • stores information • helps build proteins • fats, oils, & cholesterol • subunit in complete molecule • made of C,H,O, sugar & starch • bond share a pair of electron • reactants that enzymes act on • catalysts for chemical reaction • made of monomers called amino acids • substances made by chemical reactions • ...

chemical reactions 2024-11-18

chemical reactions 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 • ...

reactions of matter 2024-11-04

reactions of matter 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 • ...

Unit 3 Chemical Reactions 2023-04-26

Unit 3 Chemical Reactions crossword puzzle
Across
  1. substances present after chemical reaction
  2. basic unit of matter
  3. change that results in new substance
  4. characteristics
  5. tells number of atoms of an element
  6. only factor that can be changed in chem equation
  7. pure substance with only one type of atom
  8. amount of space object occupies
  9. when a chemical change occurs, properties __
  10. pure substance with more than one type of atom
Down
  1. change that does not result in new substance
  2. substances present before chemical reaction
  3. releases heat; temp increases
  4. amount of matter in an object
  5. evidence of gas production
  6. takes up space and has mass
  7. Law of __ of mass; total amount of matter is constant
  8. absorbs heat; temp decreases
  9. a chemical ___ represents a chemical reaction
  10. represents yields/produces

20 Clues: characteristics • basic unit of matter • evidence of gas production • represents yields/produces • takes up space and has mass • absorbs heat; temp decreases • releases heat; temp increases • amount of matter in an object • amount of space object occupies • tells number of atoms of an element • change that results in new substance • pure substance with only one type of atom • ...