chemical reaction Crossword Puzzles

Chapter 7 Vocab 2023-01-09

Chapter 7 Vocab crossword puzzle
Across
  1. reaction chemical reactions that produce heat
  2. reaction a type of chemical reaction that involves a transfer of electrons between two species
  3. reaction reactions that occur when two different atoms or molecules interact to form a different molecule or compound
  4. reaction a chemical reaction in which one reactant breaks down into two or more products
  5. a substance that takes part in and undergoes change during a reaction
  6. energy a type of chemical reaction that involves a transfer of electrons between two species
  7. a thing or person that is the result of an action or process
  8. reaction a chemical reaction accompanied by the absorption of heat
  9. reaction occur when parts of two ionic compounds are exchanged, making two new compounds
  10. reaction a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light
Down
  1. a constant term related to the properties of a product
  2. equation symbolic representations of chemical reactions in which the reactants and the products are expressed in chemical formulas
  3. reaction a reaction in which one element is substituted for another element in a compound
  4. the amount of substance of a system which contains as many elementary entities as there are atoms
  5. mass the mass of a chemical compound divided by its amount-of-substance measured in moles

15 Clues: reaction chemical reactions that produce heat • a constant term related to the properties of a product • a thing or person that is the result of an action or process • reaction a chemical reaction accompanied by the absorption of heat • a substance that takes part in and undergoes change during a reaction • ...

The Pure Awesomeness of Chemical Reactions 2021-04-20

The Pure Awesomeness of Chemical Reactions crossword puzzle
Across
  1. what you call the numbers that go above an element to show its charge
  2. we do these to equations so matter is neither gained nor lost
  3. numbers below an element symbol that tells you how many atoms you have. For example, the 2 in H2O.
  4. this type of chemical reaction would be hot to the touch
  5. numbers that go in front of a molecule to tell you how many molecules you have
  6. what number needs to go in front of the Sb to balance this equation _?_Sb + 3O2 → Sb4O6
  7. these are the new elements or compounds formed *after* the chemical reaction
  8. this states that matter is never destroyed or created
  9. shown by the symbol (l) in a chemical equation
  10. these two letters in a chemical equation show that something is dissolved in water
Down
  1. when you see these, a new gas is probably being formed, and it’s evidence of a chemical reaction
  2. the coolest class subject in the universe, along with math
  3. what number needs to go in front of the H2 to balance this equation N2 + _?_H2  2NH3
  4. this type of chemical reaction would be cold to the touch
  5. The *starting* materials in a reaction.
  6. when there’s a change in this, such as red to blue, it’s evidence of a chemical reaction
  7. what number needs to go in front of the HgO to balance this equation _?_HgO  2Hg + O2
  8. shown by the symbol (g) in a chemical equation
  9. when there’s a change in this, such as hot to cold, it’s evidence of a chemical reaction
  10. this is the name or Mr. Burnham’s Chihuahua puppy dog, also one of the compounds that you use to make music records
  11. shown by the symbol (s) in a chemical equation

21 Clues: The *starting* materials in a reaction. • shown by the symbol (g) in a chemical equation • shown by the symbol (s) in a chemical equation • shown by the symbol (l) in a chemical equation • this states that matter is never destroyed or created • this type of chemical reaction would be hot to the touch • this type of chemical reaction would be cold to the touch • ...

Reactions 2021-11-06

Reactions crossword puzzle
Across
  1. a chemical reaction in which one element replaces another in a compound
  2. chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
  3. processes in which chemical species break up into simpler parts
  4. reactions or processes that release energy
  5. a ratio of moles of product to moles of reactant
  6. a chemical reaction between substances, usually including oxygen
  7. a chemical reaction mass is neither created nor destroyed.
  8. a constant term related to the properties of a product
  9. equation has equal numbers of atoms for each element involved in the reaction are represented on the reactant and product sides
Down
  1. a type of ordering system for elements
  2. the process by which one or more chemical reactions are performed with the aim of converting a reactant or starting material into a product or multiple products.
  3. solubility is the ability of a solid, liquid, or gaseous chemical substance
  4. a substance that is present at the end of a chemical reaction.
  5. the chemical reactions that will take place when two chemicals are combined
  6. the formation of an insoluble salt when two solutions containing soluble salts are combined
  7. occur when parts of two ionic compounds are exchanged, making two new compounds
  8. a process that involves rearrangement of the molecular or ionic structure of a substance
  9. a substance that takes part in and undergoes change during a reaction
  10. contain two atoms that are chemically bonded
  11. a substance (solid) that will not dissolve in a solvent even after mixing
  12. one of the ways in which matter can interact with itself to form a homogeneous phase
  13. conversion factor between compounds in a chemical reaction

22 Clues: a type of ordering system for elements • reactions or processes that release energy • contain two atoms that are chemically bonded • a ratio of moles of product to moles of reactant • a constant term related to the properties of a product • a chemical reaction mass is neither created nor destroyed. • conversion factor between compounds in a chemical reaction • ...

6-7 2023-11-09

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

20 Clues: - an ion with a positive charge • - an ion with a negative charge • - the energy stored in chemical bonds • - 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 • ...

VOCAB Ch 6 & 7 2023-11-02

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

20 Clues: ion with a negative charge • an ion with a positive charge • the energy stored in chemical bonds • 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 • ...

Chap 6/7 2023-11-02

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

20 Clues: an ion with a negative charge • an ion with a positive charge • the energy stored in chemical bonds • 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 • ...

Ch 6&7 Vocab 2023-11-07

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

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

Chapter 6+7 2024-04-02

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

20 Clues: - an ion with a positive charge • - an ion with a negative charge • - the energy stored in chemical bonds • - 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 • ...

chemical reactions vocab 2023-03-29

chemical reactions vocab crossword puzzle
Across
  1. shorthand method used to describe chemical reactions using chemical formulas and other symbols.
  2. any characteristic of a substance, such as flammability, that can be observed that produces a new substance
  3. process in which one or more substances are changed into new substances
  4. in a chemical reaction, the substance that reacts
  5. chemical reaction in which one element replaces another element in a compound
  6. an unbalanced chemical that represents the reactants and products in a chemical reaction
  7. positively or negatively charged, covalently bonded group of atoms
Down
  1. reaction in which two ionic compounds in solution are combined can produce a precipitate, water, or a gas
  2. any characteristic of a material, such as size or shape, that can be observed without changing the identity of the material
  3. chemical reaction in which two or more substances combine to form a different substance
  4. a type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light.
  5. states that the mass of all substances prevent before a chemical change equals the mass of all the substances remaining after the change
  6. a neutral particle that forms as a result of electron sharing among atoms
  7. in a chemical reaction, the new substance or substances formed
  8. chemical reaction which one substance breaks down into two or more substances
  9. attraction formed between atoms when they share electrons
  10. the force of an attraction between the opposite charges of the ions in an ionic compound

17 Clues: in a chemical reaction, the substance that reacts • attraction formed between atoms when they share electrons • in a chemical reaction, the new substance or substances formed • positively or negatively charged, covalently bonded group of atoms • process in which one or more substances are changed into new substances • ...

Samantha Peck 2020-01-16

Samantha Peck crossword puzzle
Across
  1. - is a substance that increases the rate of a chemical reaction.
  2. - A substance that is formed as a result of a chemical reaction
  3. - A reaction occurs when one reactant breaks down into two or more products.
  4. Area - All of the outside surfaces of a three-dimensional object
  5. - Is a property of matter which reflects quantity of energy of motion of the component particles
  6. - A substance that decreases the rate, or prevents a chemical reaction
  7. turn, react together to give the reactants back.
  8. Chemical Reaction - Where the reactants form products that,
  9. - How close the molecules are in accordance to one another
  10. - The reaction rate or rate of reaction is the speed at which
  11. - The energy contained in chemical bonds that can be converted into heat.
  12. - the process or result of oxidizing or being oxidized.
  13. - A force exerted by the substance per unit area on
  14. Electron - Is the an electron located on the outer most shell of an atom
  15. point along the reaction path.
Down
  1. substance
  2. - Is two or more chemical species that have combined to form a more complex product.(more reactants than products)
  3. - the process of burning something.
  4. - the ability to be dissolved, especially in water.
  5. - lessen or moderate the impact of (something).
  6. - Refers to the amount of substance in a certain space
  7. - Are substances that are present before a chemical reaction
  8. order to undergo a specified reaction.
  9. Energy - The minimum quantity of energy which the reacting species must possess
  10. Chatelier's Principle - if the equilibrium of a system is disturbed by a change in one or more of the determining factors (as temperature, pressure, or concentration) the system tends to adjust itself to a new equilibrium by counteracting as far as possible the effect of the change.
  11. are converted into products.
  12. Complex - An activated complex is the structure that results in the maximum
  13. Replacement Reaction - is a type of chemical reaction where an element reacts with a compound and takes the place of another element in that compound

28 Clues: substance • are converted into products. • point along the reaction path. • - the process of burning something. • order to undergo a specified reaction. • - lessen or moderate the impact of (something). • turn, react together to give the reactants back. • - the ability to be dissolved, especially in water. • - A force exerted by the substance per unit area on • ...

Chemistry Unit 7 Crossword 2024-05-13

Chemistry Unit 7 Crossword crossword puzzle
Across
  1. The minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation or physical transport.
  2. A state in which the rate of the forward reaction equals the rate of the backward reaction.
  3. Used to speed up a reaction.
  4. Many substances can be formed and then used up during a chemical reaction.
  5. Concentrations of the reactants and products.
  6. Of relating to, or resembling water.
  7. The substance that is dissolving the solute.
  8. What is formed as a result of adding two or more reactants together.
  9. In order for a chemical reaction to occur, particles must collide with sufficient energy in the correct orientation.
Down
  1. Where the exponents n and m in the rate law come from.
  2. The amount of a substance in any given tissue or liquid.
  3. Found experimentally and tells how fast a chemical change takes place.
  4. Mathematical expressions that describe the relationship between the rate of a chemical reaction and the concentration of its reactants.
  5. The sum of the exponents n and m.
  6. The number of moles of solute per one liter of solution.
  7. Works together with the catalyst by interrupting chain reactions.
  8. A dissolved substance.
  9. A substance that enters into and is altered in the course of a chemical reaction.

18 Clues: A dissolved substance. • Used to speed up a reaction. • The sum of the exponents n and m. • Of relating to, or resembling water. • The substance that is dissolving the solute. • Concentrations of the reactants and products. • Where the exponents n and m in the rate law come from. • The amount of a substance in any given tissue or liquid. • ...

Chemistry Crossword 2015-11-13

Chemistry Crossword crossword puzzle
Across
  1. A chemical reaction that releases energy
  2. An experiment in which one or more products of a chemical reaction can escape
  3. A substance that helps a chemical reaction to proceed quicker
  4. The new substance produced by the reactants
  5. A reaction that takes place when two or more substances react to form new substances
  6. Change that results when two or more substances react to form a new substance
  7. group of atoms joined together by covalent bonds
  8. the smallest part of an element that is representative of that element
  9. A chemical change that occurs when oxygen in the air reacts with metal
Down
  1. A substance that reacts with another substance to create new substance with different properties
  2. number of protons in the nucleus of one atom of an element
  3. A pure substance that cannot be broken down into other substances
  4. A table in which the elements are organized by their physical and chemical properties
  5. The given name for the rows in a Periodic Table
  6. The given name for the columns in a Periodic Table
  7. A natural substance that is neither an acid nor a base
  8. A group of ions that act as one
  9. A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  10. A study of chemical reactions which involves electricity
  11. An experiment in which all of the products of a chemical reaction are sealed and accounted for
  12. An atom that has become electrically charged by gaining or losing electrons
  13. A neutral particle in the nucleus of an atom
  14. Mass of one atom of an element
  15. A chemical reaction that absorbs heat
  16. A catalyst that is involved in the chemical reactions in living things

25 Clues: Mass of one atom of an element • A group of ions that act as one • A chemical reaction that absorbs heat • A chemical reaction that releases energy • The new substance produced by the reactants • A neutral particle in the nucleus of an atom • The given name for the rows in a Periodic Table • group of atoms joined together by covalent bonds • ...

Ch.6 and Ch.7 Vocab 2023-11-03

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

20 Clues: -an ion with a negative charge • -an ion with a positive charge • -the energy stored in chemical bonds • -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 • ...

Stoichiometry 2024-02-16

Stoichiometry crossword puzzle
Across
  1. the mass in grams of one mole of any pure substance
  2. two or more atoms that covalently bond together
  3. the number 6.0221367 × 10^23, which is the number of representative particles in a mole
  4. The ___in a balanced equation represent the number of molecules as well as the number of moles of molecules.
  5. the amount of product actually produced when a chemical reaction is carried out in an experiment
  6. a ratio between the numbers of moles of any two substances in a balanced chemical equation
  7. the SI base unit used to measure the amount of a substance
  8. six hundred and two sextillion things
  9. leftover reactant(s) in a chemical reaction
  10. two things
  11. the study of quantitative relationships between amounts of reactants used and products formed by a chemical reaction
Down
  1. the ratio of actual yield to theoretical yield (from stoichiometric calculations) expressed as a percent
  2. a process in which the atoms of one or more substances are rearranged to form different substances
  3. The chemicals used in the beginning of a chemical reaction
  4. in a chemical reaction, the maximum amount of product that can be produced from a given amount of reactant
  5. twelve things
  6. This number shows how many atoms are in a chemical formula.
  7. twenty things
  8. one hundred and forty four things
  9. This symbol is pronounced "yields" or "produces" or "turns into"
  10. All stoichiometric calculations start with ______ based on balanced chemical equations.
  11. limits the extent of the chemical reaction and so determines the amount of product
  12. The law of ___ states that matter is neither created nor destroyed
  13. The chemicals that are formed by the end of a chemical reaction.

24 Clues: two things • twelve things • twenty things • one hundred and forty four things • six hundred and two sextillion things • leftover reactant(s) in a chemical reaction • two or more atoms that covalently bond together • the mass in grams of one mole of any pure substance • The chemicals used in the beginning of a chemical reaction • ...

Chapter 6 & 7 vocabulary crossword :) 2024-04-02

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

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

AP Chemistry - Unit 3 - Medium Preview 2023-10-05

AP Chemistry - Unit 3 - Medium Preview crossword puzzle
Across
  1. The gain of electrons in a reaction
  2. ___ ions are required for the chemical reaction to occur, but are the same within the reactants and products
  3. The matter that is present before a chemical reaction takes place
  4. A substance that dissolves in water, yielding hydronium ions
  5. The amount of product produced in a chemical reaction
  6. A solution when water is used as the solvent
  7. The less of electrons in a reaction
  8. Ratio of solute's ____ to solution's ____ (___-___)
  9. Type of analysis used to measure vinegar strength
  10. The complete ___ equation shows all of the dissolved ions results in a reaction
Down
  1. The amount of something within a particular amount of solution
  2. Relations between the relative amounts of reactants and products in a reaction
  3. A ___ reaction from when multiple aqueous solutions react to form precipitates.
  4. The matter in which other parts of a solution are dissolved into
  5. Solutions with low concentrations
  6. The greek letter added over the arrow in a chemical reaction to indicate heating
  7. A homogeneous mixture
  8. A substance that dissolves in water, yielding hydroxide ions
  9. The matter that is yielded after a chemical reaction
  10. The part of the solution that is dissolved into the solvent
  11. Adding coefficients to a chemical equation to ensure it follows the law of conservation of mass
  12. The ability for a substance to be dissolved in a solvent
  13. Process of adding solvent to decrease concentration of a solute in a solution
  14. Unit for measuring the concentration of trace solutes in (often aqueous) solutions
  15. Measure of concentration within a solution

25 Clues: A homogeneous mixture • Solutions with low concentrations • The gain of electrons in a reaction • The less of electrons in a reaction • Measure of concentration within a solution • A solution when water is used as the solvent • Type of analysis used to measure vinegar strength • Ratio of solute's ____ to solution's ____ (___-___) • ...

9F 2025-06-02

9F crossword puzzle
Across
  1. An atom or molecule with a net electric charge due to the loss or gain of electrons.
  2. A substance that takes part and undergoes change during a reaction.
  3. Table A chart that organizes elements by their properties and atomic number.
  4. A gas produced when metals react with acids.
  5. How easily a substance undergoes a chemical reaction.
  6. A substance that speeds up a chemical reaction without being consumed.
  7. A chemical reaction where a substance loses electrons, often involving oxygen.
  8. The bubbling or fizzing caused by gas released during a reaction.
  9. A type of element that is typically shiny, malleable, and conducts electricity.
  10. A vertical column in the periodic table with elements having similar properties.
Down
  1. The substance formed as a result of a chemical reaction.
  2. A compound formed when an acid reacts with a base.
  3. The gradual destruction of metals by chemical reaction with the environment.
  4. An element that usually lacks metallic properties and is a poor conductor.
  5. A substance that can neutralize an acid.
  6. A reaction between an acid and a base producing salt and water.
  7. A base that dissolves in water and forms hydroxide ions.
  8. Reaction A reaction where a more reactive element takes the place of a less reactive one.
  9. The reddish-brown flaky substance formed on iron due to corrosion.
  10. A negatively charged particle found outside the nucleus of an atom.
  11. A substance that has a pH less than 7.
  12. The smallest unit of an element that retains its chemical properties.
  13. Scale A scale used to measure how acidic or alkaline a solution is.

23 Clues: A substance that has a pH less than 7. • A substance that can neutralize an acid. • A gas produced when metals react with acids. • A compound formed when an acid reacts with a base. • How easily a substance undergoes a chemical reaction. • The substance formed as a result of a chemical reaction. • A base that dissolves in water and forms hydroxide ions. • ...

Chemical reactions 2025-04-19

Chemical reactions crossword puzzle
Across
  1. a substance that produces an electrically conducting solution when dissolved in water
  2. a process that uses electrical energy to drive non-spontaneous chemical reaction
  3. a chemical reaction that occurs naturally without needing external energy
  4. positive electrode
  5. negative electrode
  6. the process of gaining electrons during a reaction
  7. the substance that produced as a result of a chemical reaction
Down
  1. reaction that absorbs energy
  2. a way to represent a chemical reaction using symbols and formulas
  3. a complex substances breaks down into two or more simpler substances
  4. two or more simple substances combine to form a complex substance
  5. reaction that requires an input of energy to occur
  6. reaction that releases energy
  7. a chemical reaction the substance that reacts with one another
  8. the process of losing electrons during a reaction

15 Clues: positive electrode • negative electrode • reaction that absorbs energy • reaction that releases energy • the process of losing electrons during a reaction • reaction that requires an input of energy to occur • the process of gaining electrons during a reaction • a chemical reaction the substance that reacts with one another • ...

Chapter 23 Crossword! 2013-04-12

Chapter 23 Crossword! crossword puzzle
Across
  1. chemical equation has the same # of atoms of each element on both sides of the equation
  2. reaction occurs when a substance reacts with oxygen to produce energy in the form of heat and light
  3. displacement reaction when one element replaces another element in a compound
  4. energy minimum amount of energy needed to start a reaction
  5. reaction when the energy is needed in a form of heat
  6. displacement reaction the positive ion of 1 compound replaces the positive ion of the other to form 2 new compounds
  7. new substance produced
  8. equation way to describe a chemical reaction using chemical formulas and other symbols
Down
  1. reaction two or more substances combine to form another substance
  2. reaction occurs when one substance breaks down into 2 or more substances
  3. substance that speeds up a chemical reaction without being permanently changed itself
  4. reaction when the energy given off in a reaction is primarily in the form of heat
  5. substance that reacts
  6. substances that are used to slow down a chemical reaction
  7. of reaction the speed at which reactants are consumed and products are produced in a given reaction

15 Clues: substance that reacts • new substance produced • reaction when the energy is needed in a form of heat • substances that are used to slow down a chemical reaction • energy minimum amount of energy needed to start a reaction • reaction two or more substances combine to form another substance • reaction occurs when one substance breaks down into 2 or more substances • ...

Unit 1: Macromolecules 2020-06-28

Unit 1: Macromolecules crossword puzzle
Across
  1. the molecules that begin a chemical reaction
  2. a sequence of smaller units bonded together
  3. a relatively constant set of conditions
  4. the area of an enzyme where substrates bond and the reaction occurs
  5. the monomer of nucleic acid
  6. the damaging of enzymes by pH or temperature changes until substrates can no longer bond with the enzyme
  7. to change over time
  8. the process of taking in materials and using them in chemical reactions to sustain life
  9. the study of life
  10. a molecule that provides immediate energy
  11. a molecule that is used for long term energy storage
  12. the monomer of protein
Down
  1. a molecule that stores genetic information
  2. the molecules that are a result of a chemical reaction
  3. biological catalysts made of proteins that regulate the speed of needed reactions
  4. the amount of energy required to begin a chemical reaction
  5. a signal an organism reacts to
  6. a molecule that regulates chemical reactions, transports other molecules, and provides structure
  7. the process of changing a group of molecules into chemically different substances
  8. the reactants of an enzyme-catalyzed reaction
  9. a substance that speeds up a chemical reaction without being consumed by the reaction
  10. a single unit
  11. to adjust to new conditions

23 Clues: a single unit • the study of life • to change over time • the monomer of protein • the monomer of nucleic acid • to adjust to new conditions • a signal an organism reacts to • a relatively constant set of conditions • a molecule that provides immediate energy • a molecule that stores genetic information • a sequence of smaller units bonded together • ...

science 2025-05-12

science crossword puzzle
Across
  1. A number in front of a chemical formula that indicates the number of molecules or atoms involved.
  2. Substances that undergo a chemical change in a reaction.
  3. The act of ensuring both sides of a chemical equation have the same number of atoms.
  4. Relating to substances and their properties or reactions.
  5. A process in which one or more substances are converted into different substances.
Down
  1. A substance that speeds up a chemical reaction without being consumed.
  2. A reaction that absorbs heat energy.
  3. The substances formed as a result of a chemical reaction.
  4. Principle stating that mass is neither created nor destroyed in a chemical reaction.
  5. The amount of matter in an object, which is conserved in chemical reactions.
  6. A reaction that releases heat energy.
  7. A representation of a chemical reaction using symbols and formulas.
  8. A scientific principle that describes a consistent relationship in nature.
  9. The capacity to do work, often involved in chemical reactions

14 Clues: A reaction that absorbs heat energy. • A reaction that releases heat energy. • Substances that undergo a chemical change in a reaction. • The substances formed as a result of a chemical reaction. • Relating to substances and their properties or reactions. • The capacity to do work, often involved in chemical reactions • ...

Chapter 12 Vocabulary 2025-03-10

Chapter 12 Vocabulary crossword puzzle
Across
  1. the direction of a reversible reaction is favored
  2. a series of simple reactions that represent the progress of the overall reaction at the molecular level
  3. Expression used to determine the unknown equilibrium concentrations. It describes the relationship of the products relative to the reactants in a chemical equilibrium system.
  4. an elementary step in a reaction that involves two particles, either the same species or different, that collide and go on to form products
  5. chemical law stating that the rate of a reaction is proportional to the concentration of the reacting substances
  6. shows the energy of reactants and products during the course of a reaction
  7. value that expresses how far the reaction proceeds before reaching equilibrium. A small number means that equilibrium is towards the reactants side while a large number means that the equilibrium is towards the product side
Down
  1. the step-by-step sequence of reactions by which the overall chemical change occurs
  2. A type of biological protein that speeds up a chemical reaction in a living thing
  3. a high-energy intermediate state of the reactants during a chemical reaction that must be achieved for the reaction to proceed
  4. A state of balance
  5. When a change is experienced by a chemical system in equilibrium, the system will adjust to partially offset the change
  6. the slowest step in a reaction mechanism
  7. the rate at which reactants change into products over time
  8. describes a reaction that involves only one particle that goes on to form products
  9. substance that speeds up the rate of a chemical reaction
  10. a transitional structure that results from an effective collision and that persists while old bonds are breaking and new bonds are forming
  11. A system in which no matter is allowed to enter or leave
  12. Energy needed to get a reaction started

19 Clues: A state of balance • Energy needed to get a reaction started • the slowest step in a reaction mechanism • the direction of a reversible reaction is favored • substance that speeds up the rate of a chemical reaction • A system in which no matter is allowed to enter or leave • the rate at which reactants change into products over time • ...

Unit 4 Vocab 2025-11-21

Unit 4 Vocab crossword puzzle
Across
  1. a positively charged ions that are formed when an atom loses one or more electrons
  2. a chemical reaction that absorbs heat from its surroundings
  3. states that mass cannot be created or destroyed in a chemical reaction
  4. a substance that undergoes a chemical reaction
  5. the speed at which a chemical reaction takes place
  6. a type of chemical bond that forms between two atoms when one atom transfers electrons to another atom
  7. a force of attraction between atoms that holds them together in a molecule
Down
  1. a chemical reaction that releases heat energy to its surroundings
  2. a process in which substances, called reactants, undergo a chemical change to form new substances, called products
  3. a type of chemical bond that involves the sharing of electrons between atoms
  4. a type of chemical reaction where two or more substances combine to form a new, more complex substance.
  5. substances that increase the rate of a chemical reaction without being consumed in the process
  6. a negatively charged ion
  7. the system or set of rules used to name or classify things, such as organisms, diseases, drugs, or other scientific concepts
  8. the process by which organic matter, such as plants, animals, or human bodies, break down into simpler substances
  9. A substance formed as a result of a chemical reaction
  10. a concept in chemistry that states that atoms tend to gain, lose, or share electrons in order to achieve a stable electron configuration with eight electrons in their outermost energy level

17 Clues: a negatively charged ion • a substance that undergoes a chemical reaction • the speed at which a chemical reaction takes place • A substance formed as a result of a chemical reaction • a chemical reaction that absorbs heat from its surroundings • a chemical reaction that releases heat energy to its surroundings • ...

U5S1 KINETICS & HESS'S LAW 2022-02-04

U5S1 KINETICS & HESS'S LAW crossword puzzle
Across
  1. the degree or intensity of heat present in a substance or object.
  2. Chemical kinetics is the description of the rate of a chemical reaction
  3. the minimum amount of energy needed to begin a chemical reaction
  4. the energy change in an overall chemical reaction is equal to the sum of the energy
  5. the speed of the reaction
  6. Increasing the surface area of a reactant increases the frequency of collisions and increases the reaction rate
  7. absorbing energy in a reaction
  8. the movement of one or more components of a mixture to improve contact.
Down
  1. releasing energy in a reaction
  2. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  3. a thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume.
  4. a reaction that, depending on ambient conditions, can proceed in either of two directions
  5. used to relate the free energy changes that occur during the progress of chemical processes
  6. Forward reaction is a reaction in which products are produced from reactants and it goes from left to right in a reversible reaction.
  7. something that keeps a chemical reaction from occuring

15 Clues: the speed of the reaction • releasing energy in a reaction • absorbing energy in a reaction • something that keeps a chemical reaction from occuring • the minimum amount of energy needed to begin a chemical reaction • the degree or intensity of heat present in a substance or object. • Chemical kinetics is the description of the rate of a chemical reaction • ...

Science Crossword 2023-05-02

Science Crossword crossword puzzle
Across
  1. A standard scientific unit for measuring
  2. One
  3. How far down something can go
  4. A substance that is present at the end of a chemical reaction
  5. A Source of Nuclear Energy
  6. To separate things into simpler compounds
  7. Releases heat to make things hot
  8. The formation of a chemical compound through the combination of simpler compounds or elements
  9. The process of increasing the rate of a chemical reaction by adding a substance known as a
  10. Undergoes change during a reaction
Down
  1. Two
  2. Chemical reaction that absorbs energy
  3. The substance's mass per unit of volume
  4. A row of chemical elements
  5. Where we go for brains
  6. A constant term
  7. Upward force exerted by a liquid
  8. It flows
  9. How thick a liquid is
  10. Upward acting force on a wing

20 Clues: Two • One • It flows • A constant term • How thick a liquid is • Where we go for brains • A row of chemical elements • A Source of Nuclear Energy • How far down something can go • Upward acting force on a wing • Releases heat to make things hot • Upward force exerted by a liquid • Undergoes change during a reaction • Chemical reaction that absorbs energy • ...

Bio Vocab 2 2024-09-17

Bio Vocab 2 crossword puzzle
Across
  1. A substance that speeds up a chemical reaction without being used up
  2. A molecule that has a positive and a negative end
  3. The simplest form of carbohydrate a single sugar molecule
  4. Phosphate A molecule that provides energy for cellular processes
  5. A chemical reaction that breaks a compound by adding water
  6. A sugar or starch used for energy and consisting of carbon, hydrogen, and oxygen
  7. A carbohydrate composed of long chains of monosaccharides
  8. Reaction A chemical reaction where two molecules combine releasing water
  9. energy The energy needed to start a chemical reaction
Down
  1. Compound A carbon based molecule often including hydrogen and other elements essential life
  2. A very large molecule like proteins or DNA consisting of many atoms
  3. Bond A type of chemical bond where atoms share electrons
  4. Bond A weak bond between bases in a DNA molecules
  5. A large molecule made from repeating monomers
  6. A substance formed as a result of a chemical reaction
  7. a small molecule that can join with others to form a polymer
  8. A Substance that starts a chemical reaction.
  9. A molecule made of amino acids, performing various functions in the body

18 Clues: A Substance that starts a chemical reaction. • A large molecule made from repeating monomers • A molecule that has a positive and a negative end • Bond A weak bond between bases in a DNA molecules • A substance formed as a result of a chemical reaction • energy The energy needed to start a chemical reaction • Bond A type of chemical bond where atoms share electrons • ...

Chemical Reactions & Formulas 2025-01-23

Chemical Reactions & Formulas crossword puzzle
Across
  1. Formed when two or more elements are chemically bonded during a chemical reaction.
  2. A number placed in front of a chemical symbol or formula that represents the number of molecules.
  3. A reaction that absorbs heat from its surroundings, causing the temperature to decrease.
  4. The number of atoms of each element in a compound.
  5. Chemiluminescence is the production of __________ by a chemical reaction.
  6. During a chemical reaction, formation of gas creates _____________.
  7. Process by which one or more substances change to produce one or more different substances.
  8. A combination of symbols and chemical formulas used to describe what happens in a chemical reaction.
Down
  1. A solid substance that forms and separates from a liquid and often settles to the bottom of a liquid reaction.
  2. Banana change from green to yellow to brown.
  3. A substance that undergoes change during a chemical reaction. The starting materials.
  4. Formed when two or more atoms join together chemically.
  5. A substance produced during a chemical reaction. The end result of the reaction.
  6. A number written below and to the right of a chemical symbol that shows the number of a specific type of atom present.
  7. A reaction that releases heat into its surroundings, causing the temperature to increase.

15 Clues: Banana change from green to yellow to brown. • The number of atoms of each element in a compound. • Formed when two or more atoms join together chemically. • During a chemical reaction, formation of gas creates _____________. • Chemiluminescence is the production of __________ by a chemical reaction. • ...

Chemical reactions 2024-11-19

Chemical reactions crossword puzzle
Across
  1. During a chemical reaction, energy may be transferred from e.g. chemical energy to heat, but it is always .....
  2. The rows in the periodic table are called .....
  3. A chemical reaction that releases heat is .....
  4. A substance that is produced during a chemical reaction.
  5. In a molecule, chemical energy is stored within chemical .....
  6. The ..... of carbon is twelve.
  7. This alkali metal can be found in just about every smartphone battery.
  8. When wood burns, some of the chemical energy in the wood is released as .....
  9. This element has atomic number seven.
  10. Elements in group eight have eight ..... electrons.
  11. The atomic number of an element is determined by the number of its .....
Down
  1. A chemical reaction that absorbs heat is .....
  2. Glucose and oxygen may react with carbon dioxide and water during cellular .....
  3. The law of ..... states that matter cannot be created or destroyed.
  4. Elements in period two have two electron .....
  5. The columns in the periodic table are called .....
  6. A substance that is consumed during a chemical reaction.
  7. The number of carbon atoms in exactly 12 g of 12C is one .....
  8. This element has eight protons in its nucleus.
  9. Elements in group five have five valence .....
  10. An atom that has lost or gained an electron.

21 Clues: The ..... of carbon is twelve. • This element has atomic number seven. • An atom that has lost or gained an electron. • A chemical reaction that absorbs heat is ..... • Elements in period two have two electron ..... • This element has eight protons in its nucleus. • Elements in group five have five valence ..... • The rows in the periodic table are called ..... • ...

Types of reactions 2024-05-20

Types of reactions crossword puzzle
Across
  1. Reaction: chemical reaction that absorbs thermal energy from its surroundings.
  2. Reaction: A reaction in which two reacting molecules exchange their ions in aqueous solution.
  3. Reaction: Water molecules split into Hydrogen and Oxygen molecules when electric current is passed through them.
  4. The decomposition of silver chloride into silver and chlorine.
  5. 2Na + Cl2 → 2NaCl
  6. Reaction: The loss of oxygen molecules or the gaining of the Hydrogen molecules in a chemical reaction.
  7. Reaction: Formation of a single product from two reactants during a chemical reaction.
  8. Reaction: Calcium carbonate is split into Calcium Oxide and Carbon Dioxide by heating.
Down
  1. Cu+H2O+CO2+O2→CuCO3⋅Cu(OH)2​
  2. Reaction: chemical reaction in which the oxidation states of a reactant change and that reduction and oxidation occur at the same time in a reaction.
  3. ZnO + C → Zn + CO
  4. Reaction: type of decomposition reaction in which the reactant is broken down to its constituents by absorbing energy from photons.
  5. C + O2 → CO2
  6. Reaction: A reaction that releases energy in any form (e.g., light, sound, heat).
  7. Reaction: The gaining of oxygen molecules or the loss of hydrogen molecules in a chemical reaction.

15 Clues: C + O2 → CO2 • 2Na + Cl2 → 2NaCl • ZnO + C → Zn + CO • Cu+H2O+CO2+O2→CuCO3⋅Cu(OH)2​ • The decomposition of silver chloride into silver and chlorine. • Reaction: chemical reaction that absorbs thermal energy from its surroundings. • Reaction: A reaction that releases energy in any form (e.g., light, sound, heat). • ...

Chapter 11 Puzzle 2015-04-28

Chapter 11 Puzzle crossword puzzle
Across
  1. used to indicate a reversible reaction (2 wds)
  2. most decomposition reactions need energy in the form of __, heat, or light
  3. in __ combustion, the products are carbon dioxide and water
  4. (aq) means the substance is dissolved in water
  5. new substances formed in a chemical reaction
  6. in this type of reaction, an element tries to replace another in a compound (2 wds)
  7. products have different properties due to the forming and breaking of __
  8. this list is used in single replacement reactions (2 wds)
  9. the arrow in an equation is read as “produces or __”
  10. substance that speeds up a reaction without being used by the reaction
  11. in __ combustion, the products are carbon monoxide and water
  12. __ reactions form ONE substance
Down
  1. (g) means the substance is in the __ state
  2. formation of a solid from solutions
  3. in this type of reaction, cations are exchanged in two compounds (2 wds)
  4. starting substances in a chemical reaction
  5. products of a chemical reaction have different __ and physical properties
  6. (s)
  7. __ reactions break down ONE substance into two or more substances
  8. balanced equations obey the law of __ of mass

20 Clues: (s) • __ reactions form ONE substance • formation of a solid from solutions • (g) means the substance is in the __ state • starting substances in a chemical reaction • new substances formed in a chemical reaction • balanced equations obey the law of __ of mass • used to indicate a reversible reaction (2 wds) • (aq) means the substance is dissolved in water • ...

Chemistry Review 2025-11-16

Chemistry Review crossword puzzle
Across
  1. Small number after element in a formula
  2. Change that doesn't rearrange atoms, like cutting
  3. Particle that determines the element
  4. Anything that has mass and takes up space
  5. Shared by atoms in molecules to become stable
  6. Reaction releasing heat (gets hot)
  7. Causes matter to change states
  8. A pure substance, type of atom
  9. Center of the atom containing neutrons protons
Down
  1. Number in front of formula telling you how many molecules
  2. A chemical _________ rearranges atoms to form new substances
  3. Change that does rearrange atoms, like baking a cake
  4. smallest uncuttable piece of matter
  5. Formed from a chemical reaction
  6. Reaction absorbing heat (gets cold)
  7. Changes into a product in chemical reaction
  8. Atoms bonded together such as H2O
  9. Atoms can become ______ when their electron shell is full
  10. Conservation of matter states that ______ doesn't change in reaction

19 Clues: Causes matter to change states • A pure substance, type of atom • Formed from a chemical reaction • Atoms bonded together such as H2O • Reaction releasing heat (gets hot) • smallest uncuttable piece of matter • Reaction absorbing heat (gets cold) • Particle that determines the element • Small number after element in a formula • Anything that has mass and takes up space • ...

Chemistry Crossword 2015-11-19

Chemistry Crossword crossword puzzle
Across
  1. Chemical reaction involving oxygen, fuel and heat
  2. Workplace hazardous materials information system
  3. Subatomic particle with no electrical charge
  4. reaction that occurs when two or more substances combine to form a new substance
  5. number of protons in one atom of an element
  6. Stands for atomic mass unit
  7. most reactive metals
  8. group 18 in the periodic table, the most stable and unreactive elements
Down
  1. A substance can be rolled into sheets
  2. substance that electric charge can move through easily
  3. an experiment in which the products can escape but are still accounted for
  4. Subatomic particle in the nucleus with positive charge
  5. combination of symbols that represent a compound
  6. negatively charged particle around the nucleus of an atom
  7. Chemical reaction
  8. Smallest part of an element
  9. experiment in which all the products are there and accounted for
  10. Chemical reaction that releases heat
  11. substance that resists the flow of electrons
  12. solution in which water is the solvent
  13. combination of two or more elements
  14. amount of mass in a given volume of a substance
  15. low chemical change that occurs when oxygen reacts with metals
  16. description of a solid that can be stretched into long wires
  17. A substance that helps to speed up a chemical reaction

25 Clues: Chemical reaction • most reactive metals • Smallest part of an element • Stands for atomic mass unit • combination of two or more elements • Chemical reaction that releases heat • A substance can be rolled into sheets • solution in which water is the solvent • number of protons in one atom of an element • Subatomic particle with no electrical charge • ...

Chemical Key Words 2018-05-30

Chemical Key Words crossword puzzle
Across
  1. a chain of molecules repeated
  2. a substance of a chemical reaction
  3. molecule that has only di-atoms
  4. from gas to liquid
  5. to go from ice to water
  6. the horizontal rows of elements on a periodic table
  7. the table of grouped elements
  8. a molecule that contains same bonded atoms
  9. when metal rusts
  10. bonded atoms
  11. a molecule with multiple bonded atoms
  12. to go straight from a solid to gas vice versa
  13. to evaporate
Down
  1. gas that forms from a boiling liquid
  2. particles arranged in a 3d gridwork pattern
  3. the end result of a chemical reaction
  4. a pure substance consisting of one atom
  5. collision for reaction
  6. subatomic particles needed to form it
  7. easy to become a gas
  8. the production of new chemicals
  9. when water evaporates
  10. a dangerous vapour that isn't good to inhale
  11. a material that makes the tempo of a chemical reaction faster
  12. a close gathering of substances
  13. multiple bonded atoms
  14. a column of elements in the periodic table
  15. multiple things conjoined
  16. 1 single atom
  17. a chemical that speeds up the process of a chemical reaction

30 Clues: bonded atoms • to evaporate • 1 single atom • when metal rusts • from gas to liquid • easy to become a gas • when water evaporates • multiple bonded atoms • collision for reaction • to go from ice to water • multiple things conjoined • a chain of molecules repeated • the table of grouped elements • molecule that has only di-atoms • the production of new chemicals • ...

Chemical Reactions and The Law of Conservation of Mass 2025-05-09

Chemical Reactions and The Law of Conservation of Mass crossword puzzle
Across
  1. A number that shows how many molecules or atoms are involved in a reaction.
  2. A reaction that absorbs heat from the surroundings.
  3. The smallest unit of an element.
  4. Type of reaction where substances combine to form a more complex compound.
  5. Equation A shorthand way to show a chemical reaction using symbols.
  6. Reaction A change in matter that produces one or more new substances.
  7. A chemical reaction where a compound breaks into simpler substances.
  8. Visible sign of a chemical change, like bubbling.
  9. The new substances formed in a chemical reaction.
Down
  1. A reaction that releases heat.
  2. of Mass The principle stating that matter is not created or destroyed.
  3. Energy Energy required to start a chemical reaction.
  4. A force that holds atoms together in a compound.
  5. Substances present before a chemical reaction occurs.
  6. Two or more substances mixed but not chemically combined.

15 Clues: A reaction that releases heat. • The smallest unit of an element. • A force that holds atoms together in a compound. • Visible sign of a chemical change, like bubbling. • The new substances formed in a chemical reaction. • A reaction that absorbs heat from the surroundings. • Energy Energy required to start a chemical reaction. • ...

Savannah VanOstrand- Chapter 13 2016-10-12

Savannah VanOstrand- Chapter 13 crossword puzzle
Across
  1. What is the reaction where energy transfers to reactants from surroundings?
  2. What is the reaction where energy transfers from reactants to surrounding?
  3. What is a substance that undergoes a chemical change?
  4. What is a chemical reation where you move more than one element?
  5. energy What is the energy stored in molecules that can be released during a reaction?
  6. What is a substance that is the result of a chemical change?
  7. What is a chemical that donates a hydrogen ion?
  8. What is a chemical reaction where with carbon dioxide and water on the product side?
Down
  1. What is a chemical reaction where there is no plus sign on the product side?
  2. What must be added to break bonds?
  3. What is a chemical reaction where there is no plus sign on the reactant side?
  4. What can you change when balancing equations?
  5. When balancing equations you may not change what?
  6. What is a chemical reaction where you only move one element?
  7. What is a chemical that accepts a hydrogen ion?

15 Clues: What must be added to break bonds? • What can you change when balancing equations? • What is a chemical that accepts a hydrogen ion? • What is a chemical that donates a hydrogen ion? • When balancing equations you may not change what? • What is a substance that undergoes a chemical change? • What is a chemical reaction where you only move one element? • ...

Gavin Theismans crossword 2024-05-15

Gavin Theismans crossword crossword puzzle
Across
  1. the study of matter
  2. material that has mass and takes up amount of space
  3. the smallest unit of an element that has the properties of that element
  4. a pure substance that is formed when two or more different elements combine
  5. a combination of substances that can be physically separated from one another
  6. the ability to do work or cause change
  7. the substances that are formed during a chemical reaction
  8. a process that changes a substance into a new substance
  9. a chemical reaction that absorbs heat
  10. the amount of matter in an object
Down
  1. substance that increases the rate of a chemical reaction by lowering the amount of energy needed for the reaction to occur
  2. chemical reaction that gives off heat energy
  3. the amount if space an object occupies
  4. two or more atoms joined together
  5. the substance present before a chemical reaction occurs
  6. the forces that hold atoms together
  7. a pure substance that cannot be broken down into simpler substances by chemical reactions
  8. the ability of molecules of the same substance to stick together
  9. the transfer of thermal energy

19 Clues: the study of matter • the transfer of thermal energy • two or more atoms joined together • the amount of matter in an object • the forces that hold atoms together • a chemical reaction that absorbs heat • the amount if space an object occupies • the ability to do work or cause change • chemical reaction that gives off heat energy • ...

collision theory 2023-04-24

collision theory crossword puzzle
Across
  1. These are the new substances formed in a chemical reaction
  2. These are the chemicals that will react together in a chemical reaction
  3. A chemical that speeds up a chemical reaction
  4. H2O is the chemical _____ for water
  5. this is the side of the chemical equation that you write the products
Down
  1. breaking up reactant to create more _____ area will speed up a reaction
  2. a chemical ____ is a written sentence showing a reaction
  3. energy in this form will increase the rate of a chemical reaction
  4. catalysts speed up the ___ of a reaction
  5. which sized container will increase the chances of molecules colliding
  6. this shape symbolizes the reaction in a written chemical equation
  7. is adding more or adding less reactant to a chemical reaction going to speed up the reaction
  8. this is the side of a chemical equation that you write the reactants

13 Clues: H2O is the chemical _____ for water • catalysts speed up the ___ of a reaction • A chemical that speeds up a chemical reaction • a chemical ____ is a written sentence showing a reaction • These are the new substances formed in a chemical reaction • energy in this form will increase the rate of a chemical reaction • ...

Chemical Reactions 2021-12-06

Chemical Reactions crossword puzzle
Across
  1. A substance produced in a chemical reaction
  2. Basic unit of matter
  3. The process by which substances change to produce different substances
  4. Chemical reaction in which heat is absorbed.
  5. The reactants in a photosynthesis reaction.
Down
  1. A single kind of matter that is pure and has a specific set of properties.
  2. Chemical formula for glucose.
  3. Chemical Reaction in which energy is given off in the form of heat
  4. A group of atoms bonded together
  5. change A change in matter that produces one or more new substances
  6. A substance that decreases the hydrogen ion concentration in a solution.
  7. Any substance that has a definite composition
  8. The formula for hydrochloric acid
  9. A chemical substance that is present at the start of a chemical reaction
  10. The product of a hydrogen reacting with oxygen.
  11. Chemical formula for sodium hydroxide

16 Clues: Basic unit of matter • Chemical formula for glucose. • A group of atoms bonded together • The formula for hydrochloric acid • Chemical formula for sodium hydroxide • A substance produced in a chemical reaction • The reactants in a photosynthesis reaction. • Chemical reaction in which heat is absorbed. • Any substance that has a definite composition • ...

Science Vocab. 2016-09-15

Science Vocab. crossword puzzle
Across
  1. two or more different elements chemically combined
  2. a substance that cannot be broken down
  3. a chemical reaction that absorbs energy
  4. Bond the force that holds cations and anions together
  5. Bond the chemical in which two atoms share a pair of valence electrons
  6. of mass Principle that the mass of an object or collection of objects never changes
  7. new substance formed as a result of a chemical reaction
  8. Replacement a chemical in which one element takes the place of another element in a compound
Down
  1. Reaction a chemical reaction is the process in which a substance is transformed into a new substance is transformed into a new substance
  2. a chemical reaction in which a compound breaks down into two or more simpler substances
  3. a chemical reaction in which two or more substances react to form a single substance
  4. a substance that undergoes change is a chemical reaction
  5. Reaction a process in which the structure and energy of an atomic nucleus are changed by interaction with another nucleus
  6. replacement a chemical reaction in which two compounds exchange positive ions and form two new compounds
  7. the force that holds atoms or ions together

15 Clues: a substance that cannot be broken down • a chemical reaction that absorbs energy • the force that holds atoms or ions together • two or more different elements chemically combined • Bond the force that holds cations and anions together • new substance formed as a result of a chemical reaction • a substance that undergoes change is a chemical reaction • ...

Chemistry Crossword Puzzle 2025-03-28

Chemistry Crossword Puzzle crossword puzzle
Across
  1. of acidity or basicity of a solution. (pH)
  2. type of pure substance, consisting of only one kind of atom. (Element)
  3. used to measure the amount of a substance in chemistry. (Mole)
  4. of protons in an atom. (Atomic number)
  5. columns on the periodic table. (Groups)
  6. of matter with a definite volume but no definite shape. (Liquid)
  7. that absorbs heat energy. (Endothermic)
  8. rows on the periodic table. (Periods)
  9. of chemical bond where electrons are shared. (Covalent)
  10. charged particle in an atom. (Proton)
  11. unit of a chemical element that retains its chemical properties. (Atom)
Down
  1. of reaction where oxygen reacts with a substance, often producing heat and light. (Combustion)
  2. who developed the modern atomic theory. (Dalton)
  3. who created the first periodic table. (Mendeleev)
  4. that speeds up a chemical reaction without being consumed. (Catalyst)
  5. charged particle of an atom. (Electron)
  6. needed to start a chemical reaction. (Activation energy)
  7. of a solid turning directly into a gas. (Sublimation)
  8. reaction where one element replaces another in a compound. (Single replacement)
  9. stating that mass is neither created nor destroyed in a chemical reaction. (Conservation)

20 Clues: rows on the periodic table. (Periods) • charged particle in an atom. (Proton) • of protons in an atom. (Atomic number) • charged particle of an atom. (Electron) • columns on the periodic table. (Groups) • that absorbs heat energy. (Endothermic) • of acidity or basicity of a solution. (pH) • who developed the modern atomic theory. (Dalton) • ...

React and Crack: Types of Chemical Reactions 2024-05-02

React and Crack: Types of Chemical Reactions crossword puzzle
Across
  1. A type of reaction that releases heat energy to its surroundings.
  2. A chemical equation where the number of atoms of each element is equal on both sides.
  3. A reaction in which both oxidation and reduction occur simultaneously.
  4. A reaction in which a single compound breaks down into two or more simpler substances.
  5. Substances formed as a result of a chemical reaction.
  6. Another name for a combination reaction where simpler substances combine to form a more complex one.
  7. A reaction where a more reactive element displaces a less reactive element from its compound.
  8. Substances that undergo chemical change in a reaction.
  9. A type of double displacement reaction where an insoluble product (precipitate) is formed.
Down
  1. Representation of a chemical reaction using symbols and formulae.
  2. A type of reaction that absorbs heat energy from its surroundings.
  3. A reaction between an acid and a base, producing salt and water.
  4. When two or more substances combine to form a single product.
  5. A substance that speeds up a chemical reaction without being consumed in the process.
  6. A reaction in which the positive and negative ions of two compounds exchange places to form two new compounds.
  7. The process of using electrical energy to drive a non-spontaneous chemical reaction.

16 Clues: Substances formed as a result of a chemical reaction. • Substances that undergo chemical change in a reaction. • When two or more substances combine to form a single product. • A reaction between an acid and a base, producing salt and water. • Representation of a chemical reaction using symbols and formulae. • ...

SNAPE'S POTIONS CROSSWORD 2025-06-04

SNAPE'S POTIONS CROSSWORD crossword puzzle
Across
  1. A type of reaction where a new substance is formed by combining two or more elements
  2. A solid that forms and settles out of a liquid mixture during a chemical reaction
  3. The measure of hydrogen ion concentration in a solution
  4. The process of breaking down a compound into simpler substances
  5. A substance that changes colour when exposed to acids or bases
  6. A substance that speeds up a chemical reaction without being consumed
  7. A chemical equation with the same number of atoms of each element on both sides (shows conservation of mass)
  8. A substance that neutralises an acid
  9. A reaction between an acid and a base to form a salt and water
  10. A substance that is present at the start of a chemical reaction and gets changed into something new
  11. The gradual destruction of metals by chemical reactions
Down
  1. A reaction between an acid and a metal, producing hydrogen gas
  2. A reaction where energy is released as heat
  3. A substance that neutralises an acid
  4. A reaction where a solid forms from a solution
  5. A reaction that absorbs heat energy
  6. A reaction where a substance reacts with oxygen and releases energy, often as heat and light (burning)
  7. A substance that is made as a result of a chemical reaction

18 Clues: A reaction that absorbs heat energy • A substance that neutralises an acid • A substance that neutralises an acid • A reaction where energy is released as heat • A reaction where a solid forms from a solution • The measure of hydrogen ion concentration in a solution • The gradual destruction of metals by chemical reactions • ...

Chemistry Crossword 2019-11-08

Chemistry Crossword crossword puzzle
Across
  1. 118 elements are organizing into this
  2. a substance that reacts whit other substances in a chemical reaction
  3. chemical combination
  4. a chemical reaction which absorbs heat energy
  5. an experiment in which all reactants and all products of a chemical reaction are accounted for
  6. pure substance formed by the combination of metal and a non-metal
  7. two or more substances in which you can see each substance easily
  8. an experiment in which one or more production of a chemical reaction can escape
  9. subatomic particle with a positive electrical charge
  10. one type of matter
Down
  1. a new substance produced in a chemical reaction
  2. subatomic particle with a negative electrical charge
  3. a change in state or apprentice
  4. anything on the periodic table
  5. subatomic particle with no charge
  6. average mass of an element
  7. made when you mix substances together
  8. number of protons an element has
  9. when two or more substance react to form a new substance
  10. a combination of symbols that represent a compound and the amount
  11. in a chemical reaction the total mass of the reactants is equal to the total mass of the porducts
  12. one or more letters that represent on element
  13. pure substance formed by the combination of two non-metals
  14. a chemical change which releases heat energy
  15. two or more substances that look like one substance

25 Clues: one type of matter • chemical combination • average mass of an element • anything on the periodic table • a change in state or apprentice • number of protons an element has • subatomic particle with no charge • 118 elements are organizing into this • made when you mix substances together • a chemical change which releases heat energy • ...

chemistry crossword 2016-02-25

chemistry crossword crossword puzzle
Across
  1. organic catalyst
  2. negatively charged particle
  3. horizontal column of the periodic table of elects
  4. group 18 on the periodic table of elements
  5. an experiment which all reactants and all products of a chemical reaction are accounted for
  6. vertical column of elements on the periodic table
  7. a reaction that takes place when two or more substances react to form new substances
  8. description of how a substance interacts with other substances such as acids
  9. chemical reaction that releases energy
  10. an element with both metal and non-metal properties
  11. positively charged particle in the nucleus of an atom
Down
  1. a solution in which water is the solvent
  2. chemical combination of two more elements in a specific ratio
  3. substance made of only one type of matter
  4. pure substance formed when non-metals mix
  5. neutral particle the nucleus of an atom
  6. substance that helps speed up chemical reaction
  7. chemical reaction that absorbs energy
  8. change that results when two or more substances react to create a different substance or substances
  9. a formula of symbols that represent a compound
  10. an experiment in which one or more products of a chemical reaction can escape

21 Clues: organic catalyst • negatively charged particle • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle the nucleus of an atom • a solution in which water is the solvent • substance made of only one type of matter • pure substance formed when non-metals mix • group 18 on the periodic table of elements • ...

Adrian lujan's Crossword 2017-02-27

Adrian lujan's Crossword crossword puzzle
Across
  1. a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
  2. rapid chemical combination of a substance with oxygen, involving the production of heat and light
  3. a type of chemical reaction in which two or more simple substances combine to form a more complex product.
  4. 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
  5. the process or result of oxidizing or being oxidized.
  6. reacts with a compound and takes the place of another element in that compound
  7. chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  8. a substance that takes part in and undergoes change during a reaction.
  9. a substance that is formed as the result of a chemical reaction.
Down
  1. cause (a substance) to be deposited in solid form from a solution
  2. the state or process of rotting, decay.
  3. consisting of two atoms.
  4. A binary compound is a chemical compound that contains exactly two different elements.
  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 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.
  7. of or containing water, typically as a solvent or medium
  8. produce or provide
  9. a half-reaction in which a chemical species decreases its oxidation number, usually by gaining electrons
  10. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

19 Clues: produce or provide • consisting of two atoms. • the state or process of rotting, decay. • the 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 • ...

test review 2016-11-07

test review crossword puzzle
Across
  1. piece of evidence of a chemical reaction, such as temperature change, odor, light or sound
  2. sum of all the forces
  3. The ___ says matter is neither created nor destroyed.
  4. piece of evidence of a chemical reaction, such as bubbles, foaming, fizzing
  5. ___ forces cause change in motion.
  6. the formulas present at the end of a chemical reaction
  7. a push or pull
  8. any change in speed or direction
  9. a column on the periodic table
  10. one piece of an element
  11. the formulas present at the beginning of a chemical reaction
Down
  1. a process where new substances are formed
  2. one type of atom, also found on the periodic table
  3. piece of evidence of a chemical reaction, such as clear to blue
  4. unit for mass
  5. a row on the periodic table
  6. Balanced forces have a net force of ___ N.
  7. unit for acceleration
  8. amount of matter
  9. more than one atom combined
  10. tells the number of molecules
  11. ___ forces cause no change in motion.
  12. tool for force
  13. tells the number of atoms
  14. unit for force
  15. piece of evidence of a chemical reaction, such as two liquids producing a solid
  16. more than one type of atom

27 Clues: unit for mass • tool for force • unit for force • a push or pull • amount of matter • unit for acceleration • sum of all the forces • one piece of an element • tells the number of atoms • more than one type of atom • a row on the periodic table • more than one atom combined • tells the number of molecules • a column on the periodic table • any change in speed or direction • ...

test review 2016-11-07

test review crossword puzzle
Across
  1. unit for mass
  2. ___ forces cause no change in motion.
  3. more than one atom combined
  4. more than one type of atom
  5. tells the number of atoms
  6. piece of evidence of a chemical reaction, such as bubbles, foaming, fizzing
  7. unit for acceleration
  8. tool for force
  9. ___ forces cause change in motion.
  10. piece of evidence of a chemical reaction, such as two liquids producing a solid
  11. any change in speed or direction
  12. one type of atom, also found on the periodic table
  13. piece of evidence of a chemical reaction, such as clear to blue
Down
  1. a column on the periodic table
  2. unit for force
  3. the formulas present at the beginning of a chemical reaction
  4. The ___ says matter is neither created nor destroyed.
  5. a process where new substances are formed
  6. a push or pull
  7. amount of matter
  8. tells the number of molecules
  9. piece of evidence of a chemical reaction, such as temperature change, odor, light or sound
  10. sum of all the forces
  11. the formulas present at the end of a chemical reaction
  12. one piece of an element
  13. a row on the periodic table
  14. Balanced forces have a net force of ___ N.

27 Clues: unit for mass • unit for force • a push or pull • tool for force • amount of matter • unit for acceleration • sum of all the forces • one piece of an element • tells the number of atoms • more than one type of atom • more than one atom combined • a row on the periodic table • tells the number of molecules • a column on the periodic table • any change in speed or direction • ...

Unit 6 Vocabulary PS 2025-09-03

Unit 6 Vocabulary PS crossword puzzle
Across
  1. A substance capable of dissolving one or more other substances.
  2. To keep the number of atoms the same on both sides of the equation.
  3. A reaction in which a compound breaks down into two or more simple substances.
  4. A mixture in which one substance is dissolved by another.
  5. A reaction in which elements combine to form a compound.
  6. A reaction in which one element replaces another in a compound.
  7. A number placed before a formula in a chemical equation.
  8. A substance that is formed in a chemical reaction.
  9. A substance that is altered in a chemical reaction.
Down
  1. A solid that is formed and usually sinks to the bottom of a solution.
  2. A reaction in which the elements in two compounds are exchanged.
  3. Matter cannot be created or destroyed in chemical and common physical changes.
  4. To break apart.
  5. A statement that uses symbols, formulas, and numbers to stand for a chemical reaction.
  6. The substance that is dissolved in a solution.
  7. A chemical change in which elements are combined or rearranged.
  8. A combination of substances in which no reaction takes place.

17 Clues: To break apart. • The substance that is dissolved in a solution. • A substance that is formed in a chemical reaction. • A substance that is altered in a chemical reaction. • A reaction in which elements combine to form a compound. • A number placed before a formula in a chemical equation. • A mixture in which one substance is dissolved by another. • ...

Chemical Reactions 2021-12-06

Chemical Reactions crossword puzzle
Across
  1. A substance produced in a chemical reaction
  2. Basic unit of matter
  3. The process by which substances change to produce different substances
  4. Chemical reaction in which heat is absorbed.
  5. The reactants in a photosynthesis reaction.
Down
  1. A single kind of matter that is pure and has a specific set of properties.
  2. Chemical formula for glucose.
  3. Chemical Reaction in which energy is given off in the form of heat
  4. A group of atoms bonded together
  5. change A change in matter that produces one or more new substances
  6. A substance that decreases the hydrogen ion concentration in a solution.
  7. Any substance that has a definite composition
  8. The formula for hydrochloric acid
  9. A chemical substance that is present at the start of a chemical reaction
  10. The product of a hydrogen reacting with oxygen.
  11. Chemical formula for sodium hydroxide

16 Clues: Basic unit of matter • Chemical formula for glucose. • A group of atoms bonded together • The formula for hydrochloric acid • Chemical formula for sodium hydroxide • A substance produced in a chemical reaction • The reactants in a photosynthesis reaction. • Chemical reaction in which heat is absorbed. • Any substance that has a definite composition • ...

Chemical Reactions 2021-12-06

Chemical Reactions crossword puzzle
Across
  1. A substance produced in a chemical reaction
  2. Basic unit of matter
  3. The process by which substances change to produce different substances
  4. Chemical reaction in which heat is absorbed.
  5. The reactants in a photosynthesis reaction.
Down
  1. A single kind of matter that is pure and has a specific set of properties.
  2. Chemical formula for glucose.
  3. Chemical Reaction in which energy is given off in the form of heat
  4. A group of atoms bonded together
  5. change A change in matter that produces one or more new substances
  6. A substance that decreases the hydrogen ion concentration in a solution.
  7. Any substance that has a definite composition
  8. The formula for hydrochloric acid
  9. A chemical substance that is present at the start of a chemical reaction
  10. The product of a hydrogen reacting with oxygen.
  11. Chemical formula for sodium hydroxide

16 Clues: Basic unit of matter • Chemical formula for glucose. • A group of atoms bonded together • The formula for hydrochloric acid • Chemical formula for sodium hydroxide • A substance produced in a chemical reaction • The reactants in a photosynthesis reaction. • Chemical reaction in which heat is absorbed. • Any substance that has a definite composition • ...

Chemical Reactions 2021-12-06

Chemical Reactions crossword puzzle
Across
  1. A substance produced in a chemical reaction
  2. Basic unit of matter
  3. The process by which substances change to produce different substances
  4. Chemical reaction in which heat is absorbed.
  5. The reactants in a photosynthesis reaction.
Down
  1. A single kind of matter that is pure and has a specific set of properties.
  2. Chemical formula for glucose.
  3. Chemical Reaction in which energy is given off in the form of heat
  4. A group of atoms bonded together
  5. change A change in matter that produces one or more new substances
  6. A substance that decreases the hydrogen ion concentration in a solution.
  7. Any substance that has a definite composition
  8. The formula for hydrochloric acid
  9. A chemical substance that is present at the start of a chemical reaction
  10. The product of a hydrogen reacting with oxygen.
  11. Chemical formula for sodium hydroxide

16 Clues: Basic unit of matter • Chemical formula for glucose. • A group of atoms bonded together • The formula for hydrochloric acid • Chemical formula for sodium hydroxide • A substance produced in a chemical reaction • The reactants in a photosynthesis reaction. • Chemical reaction in which heat is absorbed. • Any substance that has a definite composition • ...

Garrett Betz Chapter 13 2016-10-11

Garrett Betz Chapter 13 crossword puzzle
Across
  1. creates oxides in a chemical reaction
  2. energy transfers from reactants to surrounding
  3. if changed the equilibrium shifts to oppose change until new equilibrium is reached
  4. must be added to break bonds
  5. a substance that undergoes a chemical change
Down
  1. a substance that is the result of the chemical change
  2. moves one element in a chemical reaction
  3. building or creating in a chemical reaction
  4. energy is transferred to reactants from surroundings
  5. where reactions and its reverse act at the same rate
  6. moves two elements in a chemical reaction
  7. energy the energy stored in molecules that can be released during a reaction
  8. breaking down in a chemical reaction
  9. measure of acidity of a solution equal to the negative logarithm of the hydronium ion concentration
  10. called an alkaline

15 Clues: called an alkaline • must be added to break bonds • breaking down in a chemical reaction • creates oxides in a chemical reaction • moves one element in a chemical reaction • moves two elements in a chemical reaction • building or creating in a chemical reaction • a substance that undergoes a chemical change • energy transfers from reactants to surrounding • ...

4665 2024-05-10

4665 crossword puzzle
Across
  1. the production of chemical compounds by reaction from simpler materials.
  2. a chemical equation in which mass is conserved; each side of the equation has the same number of atoms of each element
  3. Same throughout
  4. one element replaces another element in a compound
  5. The part of a solution that gets dissolved
  6. a chemical reaction where two elements in different compounds trade places
  7. Break down of a chemical organism
  8. The heat content of a system at constant pressure
  9. A solution that doesn't hold as much solute as possible at a given temperature
  10. something that can be observed about a substance, such as color, smell, or boiling point
  11. A characteristic of a pure substance that can be observed without changing it into another substance
  12. A solid that forms from a solution during a chemical reaction.
Down
  1. A graphical representation of how much solute will dissolve in water at various temperatures
  2. Water
  3. Reaction A reaction that ABSORBS energy in the form of heat
  4. Energy needed to get a reaction started
  5. The state of matter whose solubility typically decreases with increasing temperature
  6. A solution that contains a small amount of solute
  7. The part of a solution that does the dissolving
  8. Reaction A reaction that releases energy in the form of heat
  9. A rapid reaction between oxygen and fuel that results in fire
  10. Chemical agents that selectively speed up chemical reactions without being consumed by the reaction.
  11. A solution that had a great amount of solute
  12. A solution that holds as much solute in it as possible at a given temperature.
  13. A measure of how much solute can dissolve in a given solvent at a given temperature.
  14. Not the same throughout
  15. the reaction of an acid and a base to form a neutral solution of water and a salt
  16. solution A solution that holds more solute than predicted at a given temperature
  17. A mixture of substances

29 Clues: Water • Same throughout • Not the same throughout • A mixture of substances • Break down of a chemical organism • Energy needed to get a reaction started • The part of a solution that gets dissolved • A solution that had a great amount of solute • The part of a solution that does the dissolving • A solution that contains a small amount of solute • ...

Bio unit 2 vocab 2025-09-26

Bio unit 2 vocab crossword puzzle
Across
  1. reaction in living organisms that builds molecules (requires energy)
  2. biological catalysts
  3. a combination of 2 or more elements connected by bonds
  4. attraction between molecules of the same substance
  5. mass equal to the total number of protons and neutrons in the nucleus of an atom (based on average mass from isotopes)
  6. reaction- process that changes, or transforms, one set of chemicals into another set of chemicals
  7. elements or compounds that enter into a chemical reaction
  8. positively charged particle found in the nucleus of an atom
  9. capacity (specific heat) the amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius (°C)
  10. bond chemical bond formed when one or more electrons are transferred from one atom to another
  11. substance formed as a result of a chemical reaction
  12. reactant of an enzyme-catalyzed reaction
Down
  1. action tendency of water to rise in a thin tube
  2. reaction a reaction that absorbs energy (absorbs heat)
  3. symbol one or twoletter abbreviation for a chemical element name
  4. 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)
  5. bonding weak attraction between a hydrogen atom and another atom
  6. negatively charged particle that orbits the nucleus in the electron cloud
  7. reactiona reaction that releases energy (gives off heat)
  8. pure substance that consists entirely of one type of atom
  9. in a molecule, uneven distribution of electrons (results in (+) and (-) poles) ex. water
  10. bond type of bond between atoms in which the electrons are shared
  11. (chemistry definition) the center of an atom, which contains the protons and neutrons
  12. energy energy that is needed to get a reaction started
  13. electron electron found in the outermost shell of an atom; helps to determine bonding
  14. particle found in the nucleus that has no charge
  15. force of attraction between different kinds of molecules
  16. reaction in living organisms that breaks down complex molecules (releases energy)
  17. substance that speeds up the rate of a chemical reaction
  18. the basic unit of matter

30 Clues: biological catalysts • the basic unit of matter • reactant of an enzyme-catalyzed reaction • action tendency of water to rise in a thin tube • particle found in the nucleus that has no charge • attraction between molecules of the same substance • substance formed as a result of a chemical reaction • a combination of 2 or more elements connected by bonds • ...

Emily Yunker Chapter 13 2016-10-09

Emily Yunker Chapter 13 crossword puzzle
Across
  1. The result of a chemical change.
  2. A type of chemical reaction that breaks down the compound.
  3. When a reaction and its inverse act at the same rate.
  4. States that if changed, the equilibrium to oppose change, until new equilibrium is reached.
  5. A type of chemical reaction where two variables are switched.
  6. Energy is transferred to reactants from surroundings.
  7. A type of chemical reaction that takes two simple reactants to make a product.
  8. The energy stored in molecules that can be released during a reaction.
  9. Transfers from reactants to surroundings.
  10. This changes the rate of chemical reactions.
Down
  1. A substance that undergoes a chemical change.
  2. A type of chemical reaction that H2O and CO2 in the product.
  3. Must be added to break bonds.
  4. A type of chemical reaction where only one variable is switched.
  5. Most reactants go faster at this temperature.

15 Clues: Must be added to break bonds. • The result of a chemical change. • Transfers from reactants to surroundings. • This changes the rate of chemical reactions. • A substance that undergoes a chemical change. • Most reactants go faster at this temperature. • When a reaction and its inverse act at the same rate. • Energy is transferred to reactants from surroundings. • ...

Choice Board 2024-02-28

Choice Board crossword puzzle
Across
  1. a substance/material used to decrease the rate of a chemical reaction
  2. how fast a chemical reaction is
  3. the minimum amount of energy needed to start a chemical reaction
  4. a biological substance that acts like a catalyst and speeds chemical reactions up
  5. a characteristic changes, not what the object is made out of
  6. the chemical before you do the reaction
  7. a chemical reaction that absorbs energy
  8. the transfer of heat through the movement of fluids
Down
  1. changes what an object is made out of
  2. a substance that helps a substance resist a pH change
  3. the chemicals after the reaction is complete
  4. the process of heat transfer through direct contact between particles of matter
  5. a chemical reaction that releases energy
  6. a number place in front of a formula to balance a chemical equation
  7. he act of combining element to form something new

15 Clues: how fast a chemical reaction is • changes what an object is made out of • the chemical before you do the reaction • a chemical reaction that absorbs energy • a chemical reaction that releases energy • the chemicals after the reaction is complete • he act of combining element to form something new • the transfer of heat through the movement of fluids • ...

Science Centre Review 2024-12-10

Science Centre Review crossword puzzle
Across
  1. A reaction in which a substance reacts with oxygen, typically producing heat and light.
  2. A chemical reaction in which a substance reacts with oxygen, releasing energy in the form of heat and light, often producing carbon dioxide and water.
  3. The process by which a gas turns directly into a solid, bypassing the liquid state.
  4. The ability of a material to be hammered or pressed into thin sheets without breaking or cracking.
  5. The tendency of a substance to undergo chemical reactions with other substances.
  6. A type of reaction or process that absorbs heat from its surroundings.
  7. Referring to a compound consisting of two elements.
  8. The ability of a substance to catch fire and burn easily.
  9. A chemical reaction in which an acid and a base react to form water and a salt, neutralizing each other's properties.
  10. A group of two or more atoms bonded together, representing the smallest unit of a chemical compound that can exist independently.
Down
  1. Substances formed as a result of a chemical reaction.
  2. A substance that can destroy or damage other materials or living tissue through chemical reactions.
  3. A chemical reaction in which a complex substance breaks down into two or more simpler substances.
  4. A type of reaction or process that releases heat to its surroundings.
  5. The gradual destruction of materials, usually metals, through chemical reactions with environmental elements like oxygen or moisture.
  6. To put a plan, decision, or agreement into effect or action.
  7. A group of letters added to the beginning of a word to modify its meaning, commonly used in naming chemical compounds.
  8. A chemical reaction in which two or more simple substances combine to form a more complex substance.
  9. A symbolic representation of a chemical compound using symbols for the elements and numerical subscripts to indicate the proportions of each element.
  10. Groups of two or more atoms bonded together that form the smallest unit of a chemical compound.
  11. respiration The process by which cells convert nutrients, usually glucose, into energy (ATP), using oxygen and releasing carbon dioxide and water.
  12. Substances that undergo a chemical reaction to form products.
  13. The ability of a material to be stretched or drawn out into a wire without breaking.

23 Clues: Referring to a compound consisting of two elements. • Substances formed as a result of a chemical reaction. • The ability of a substance to catch fire and burn easily. • To put a plan, decision, or agreement into effect or action. • Substances that undergo a chemical reaction to form products. • ...

Chemical Reactions 2022-01-06

Chemical Reactions crossword puzzle
Across
  1. substance that undergoes a chemical change
  2. reaction that absorbs energy
  3. reaction that makes new substances
  4. reaction that releases energy
  5. exchange of ions between two compounds
  6. shorthand way to show a chemical reaction
Down
  1. reaction combining 2 elements to make a new, more complex compound
  2. substances that result from a chemical reaction
  3. reaction where atoms of one element take the place of another element
  4. substance that changes the rate of a chemical reaction
  5. reaction when a compound burns in oxygen
  6. state where a chemical reaction and its reverse are happening at the same time and rate
  7. reaction where a compound is broken down to 2 simpler substances

13 Clues: reaction that absorbs energy • reaction that releases energy • reaction that makes new substances • exchange of ions between two compounds • reaction when a compound burns in oxygen • shorthand way to show a chemical reaction • substance that undergoes a chemical change • substances that result from a chemical reaction • ...

Chemistry 2022-03-18

Chemistry crossword puzzle
Across
  1. the study of matter
  2. the substances you have a the beginning
  3. the amount of a substance in a given volume
  4. when on element replaces another in a compound
  5. a reaction which energy is absorbed
  6. when two or more elements combined to make more complex substances
  7. any change the alters the appearance of a substance
  8. a change in matter that produces one or more substances
  9. any thing that has mass and takes up space
  10. new substance after the reaction
  11. matter is not allowed to enter or leave
  12. matter can enter from or escape to the surroundings
  13. a reaction between oxygen and fuel
  14. breaks down compounds into simpler products
  15. a characteristic of a substance that can be observed without changing the substance into another substance
  16. biological catalysts
Down
  1. a solid that forms from solution during a chemical reaction
  2. a reaction that releases energy in the form of heat
  3. minimum amount of energy needed to start a chemical reaction
  4. a number placed in front of a chemical formula
  5. used to decrease the rate of reaction
  6. during a chemical reaction matter is not created of destroyed
  7. a way to show chemical reactions using symbols
  8. increases the rate of reaction by lowering the activation energy
  9. a characteristic of a substance that describes its ability to change into other substances
  10. releases energy when it buns

26 Clues: the study of matter • biological catalysts • releases energy when it buns • new substance after the reaction • a reaction between oxygen and fuel • a reaction which energy is absorbed • used to decrease the rate of reaction • the substances you have a the beginning • matter is not allowed to enter or leave • any thing that has mass and takes up space • ...

Crossword Puzzle 7A and 7B key terms 2024-01-10

Crossword Puzzle 7A and 7B key terms crossword puzzle
Across
  1. A combination of chemical formulas and symbols that models a chemical reaction.
  2. A chemical reaction in which a single reactant breaks down into two or more products.
  3. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 x 2023.
  4. A substance that enters into a chemical reaction.
  5. A positive or negative number showing the electric charge on an element when it forms a compound.
Down
  1. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction.
  2. A chemical reaction in which two compounds swap cations or anions with each other; also know as a double-displacement reaction.
  3. A gain of electrons in a chemical reaction.
  4. A chemical reaction in which two or more reactants combine into a single, more complex product.
  5. A substance that is formed during a chemical reaction.
  6. The mass of one mole of a substance.
  7. A process that rearranges the atoms in one or more substances into one or more new substances.
  8. An exothermic reaction in which a fuel reacts with oxygen.
  9. A number placed in front of a chemical formula within a chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation.

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

CrossWord - Chemistry 2021-07-16

CrossWord - Chemistry crossword puzzle
Across
  1. law of __ mass.
  2. In a chemical reaction ___ are shown to the right of the arrow.
  3. all mineral acids except __ acid are strong acids.
  4. What does the symbol (aq) represent in a chemical equation
  5. We can balance an equation by adding a __ in front of symbols.
  6. rusting of iron is __ reaction.
  7. the reaction between an acid and a base is called ___ reaction.
  8. plaster of paris changes to _ on mixing with water
Down
  1. acids have __ taste?
  2. Chemical name of sugarcane?
  3. white silver chloride changes into ___ colour when exposed to sunlight
  4. ___ reaction in which two or more substance combine to form a new single substance.
  5. The phenomenon due to which metal are slowly eaten away by the reaction of air , water and chemical presence in the atmosphere .
  6. Oxide of which element is used as major ingredient in cement
  7. The reactions which involve the use of electrical energy for the decomposition of the reactant molecules is called ?
  8. Respiration is example of _ reaction?
  9. To protect tooth decay we are advised to brush our teeth regularly . The nature of the toothpaste is ___.
  10. Dilute acid does not produce carbon dioxide on being treated with
  11. inventory A tool is used to determine if a chemical reaction is balanced or unbalanced.
  12. sodium hydroxide turns phenolphthalein solution into __ colour.

20 Clues: law of __ mass. • acids have __ taste? • Chemical name of sugarcane? • rusting of iron is __ reaction. • Respiration is example of _ reaction? • all mineral acids except __ acid are strong acids. • plaster of paris changes to _ on mixing with water • What does the symbol (aq) represent in a chemical equation • Oxide of which element is used as major ingredient in cement • ...

Chemical reaction 2021-06-28

Chemical reaction crossword puzzle
Across
  1. OILRIG
  2. reverse of combination
  3. absorption of heat
  4. law of mass action
  5. single substance
Down
  1. heat is evolved
  2. reactivity of metals
  3. insoluble
  4. oxidation reaction
  5. Nitrogendioxide

10 Clues: OILRIG • insoluble • heat is evolved • Nitrogendioxide • single substance • oxidation reaction • absorption of heat • law of mass action • reactivity of metals • reverse of combination

Chemical Reaction 2024-04-30

Chemical Reaction crossword puzzle
Across
  1. it occurs when two or more compounds combine to form one compound.
  2. it occurs when saltwater reacts with concrete pillars which contain iron to form Iron chloride
  3. it occurs when carbonic acid in soft drinks decomposes to give carbon dioxide gas
  4. it is a type of reaction where part of of one reactant is replaced by part of another reactant
  5. any liquid or solid water that falls from the atmosphere to the Earth
Down
  1. it occurs when oxygen combines with a compound to form carbon dioxide and water
  2. any substance that has a defined composition
  3. a rearrangement of the atoms or molecules of two or more substances that come into contact with each other, resulting in the formation of one or more new substances
  4. it is an acid and a base react with each other, generally, the product of this reaction is salt and water
  5. an example of this is rusting of iron, respiration in humans, and the burning of fuels

10 Clues: any substance that has a defined composition • it occurs when two or more compounds combine to form one compound. • any liquid or solid water that falls from the atmosphere to the Earth • it occurs when oxygen combines with a compound to form carbon dioxide and water • it occurs when carbonic acid in soft drinks decomposes to give carbon dioxide gas • ...

Chemical Reaction 2023-06-26

Chemical Reaction crossword puzzle
Across
  1. a type of chemical reaction that occurs when two reactants exchange cations or anions to yield two new products ...
  2. occurs when two or more reactants combine to form a single product.
  3. a chemical reaction in which one reactant breaks down into two or more products.
  4. occur when chemical bonds between atoms are formed or broken.
  5. must have oxygen as a reactant.
  6. Substances that react with one another in a chemical reaction.
Down
  1. is a reaction in which one element is substituted for another element in a compound.
  2. any substance that cannot be decomposed into simpler substances by ordinary chemical processes.
  3. New substances formed in a chemical reaction
  4. a particle of matter that uniquely defines a chemical element.

10 Clues: must have oxygen as a reactant. • New substances formed in a chemical reaction • occur when chemical bonds between atoms are formed or broken. • a particle of matter that uniquely defines a chemical element. • Substances that react with one another in a chemical reaction. • occurs when two or more reactants combine to form a single product. • ...

chapter 5 2022-05-05

chapter 5 crossword puzzle
Across
  1. the amount of one material in a certain volume of another material
  2. a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  3. energy, the minimum amount of energy needed to start a chemical reaction
  4. a material that decreases the rate of a reaction
  5. change, any change that alters the form or appearance of a substance but does no change it into another’s substance
  6. a chemical reaction that breaks down compounds into simpler products
  7. of Conservation of mass, the principle that the total amount of matter is neither created nor destroyed during any chemical or physical change
  8. change, a change in matter that produces one or more new substances
Down
  1. a reaction in which one emmental replaces another in a compound or when two events in different compounds trade places
  2. reaction, a reaction that absorbs energy
  3. a material that increases the rate of a reaction by lowering the activation energy
  4. a chemical reaction in which two or more simple substances combine to form a new (more complex) substance
  5. a type of protein that speeds up a chemical reaction in a living thing (a biological catalyst that lowers the activation energy of reactions in cells
  6. substances that undergo the chemical change
  7. reaction, a reaction that releases energy (usually in the form of heat)
  8. the new substances that form

16 Clues: the new substances that form • reaction, a reaction that absorbs energy • substances that undergo the chemical change • a material that decreases the rate of a reaction • the amount of one material in a certain volume of another material • change, a change in matter that produces one or more new substances • ...

Chapter 5 2022-05-04

Chapter 5 crossword puzzle
Across
  1. change, a change in matter that produces one or more new substances
  2. the amount of one material in a certain volume of another material
  3. of Conservation of mass, the principle that the total amount of matter is neither created not destroyed during any chemical or physical change
  4. reaction, a reaction that releases energy (usually in the form of heat)
  5. reaction, a reaction that absorbs energy
  6. a reaction in which one emmental replaces another in a compound or when two events in different compounds trade places
  7. a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  8. a chemical reaction in which two or more simple substances combine to form a new (more complex) substance
Down
  1. the new substances that form
  2. energy, the minimum amount of energy needed to start a chemical reaction
  3. a material that decreases the rate of a reaction
  4. a material that increases the rate of a reaction by lowering the activation energy
  5. a chemical reaction that breaks down compounds into simpler products
  6. change, any change that alters the form or appearance of a substance but does no change it into another’s substance
  7. a type of protein that speeds up a chemical reaction in a living thing (a biological catalyst that lowers the activation energy of reactions in cells
  8. substances that undergo the chemical change

16 Clues: the new substances that form • reaction, a reaction that absorbs energy • substances that undergo the chemical change • a material that decreases the rate of a reaction • the amount of one material in a certain volume of another material • change, a change in matter that produces one or more new substances • ...

Crossword 2024-09-16

Crossword crossword puzzle
Across
  1. - Hydrocarbon with at least one triple bond, e.g., ethyne.
  2. - Process in which a substance gains electrons during a reaction.
  3. - Describes elements that emit radiation due to unstable nuclei.
  4. - Substance formed as a result of a chemical reaction.
  5. - A type of chemical reaction where two or more substances combine to form a new compound.
  6. Bond - Electrostatic attraction between oppositely charged ions.
  7. - Simple hydrocarbon with the formula CH4, a major component of natural gas.
  8. - Method used to determine the concentration of a solution.
  9. - Substance that dissolves a solute to form a solution.
  10. - Hydrocarbon with single bonds only, e.g., methane or ethane.
  11. - Measure of how acidic or basic a solution is.
  12. - Ionic compound formed from the reaction of an acid and a base.
  13. - Time required for half of the radioactive nuclei in a sample to decay.
  14. - Technique used to separate mixtures into their individual components.
  15. Bond - Chemical bond formed by the sharing of electrons between atoms.
  16. - Hydrocarbon with the formula C2H4, used in the production of plastics.
  17. - Large molecule made up of repeating subunits called monomers.
  18. - A chemical process that uses electricity to break down compounds.
Down
  1. - Reaction between an acid and a base to form water and a salt.
  2. - Substance that is dissolved in a solvent.
  3. - Small molecule that can join together with other monomers to form a polymer.
  4. - Chemical process for hardening rubber.
  5. - Technique used to measure the interaction of light with matter to determine chemical composition.
  6. Agent - Substance that gains electrons and is reduced in a redox reaction.
  7. Acid - Organic compound that serves as the building block of proteins.
  8. - Solution that resists changes in pH when acids or bases are added.
  9. - Process in which a substance loses electrons during a reaction.
  10. - A chemical reaction that involves the burning of a substance in oxygen to produce heat and light.
  11. - Related to the chemistry of electron transfer processes.
  12. - Substance that donates protons (H+ ions) in a reaction.
  13. - Substance that undergoes change during a chemical reaction.
  14. - Substance that speeds up a chemical reaction without being consumed.
  15. - A type of reaction where a compound breaks down into simpler substances.
  16. - Common polymer used in plastic bags and bottles.
  17. Agent - Substance that loses electrons and is oxidized in a redox reaction.
  18. - Substance that accepts protons (H+ ions) or donates hydroxide ions (OH-).
  19. - Solid formed from a chemical reaction in a solution.
  20. - Organic compound consisting only of hydrogen and carbon.
  21. - Hydrocarbon with at least one double bond, e.g., ethene.
  22. - Molecules with the same molecular formula but different structures.

40 Clues: - Chemical process for hardening rubber. • - Substance that is dissolved in a solvent. • - Measure of how acidic or basic a solution is. • - Common polymer used in plastic bags and bottles. • - Substance formed as a result of a chemical reaction. • - Solid formed from a chemical reaction in a solution. • - Substance that dissolves a solute to form a solution. • ...

Chapter 12 Vocabulary crossword 2023-04-06

Chapter 12 Vocabulary crossword crossword puzzle
Across
  1. the direction of a reversible reaction is favored
  2. a series of simple reactions that represent the progress of the overall reaction at the molecular level
  3. A state of balance
  4. substance that speeds up the rate of a chemical reaction
  5. chemical law stating that the rate of a reaction is proportional to the concentration of the reacting substances
  6. a high-energy intermediate state of the reactants during a chemical reaction that must be achieved for the reaction to proceed
  7. Energy needed to get a reaction started
  8. the rate at which reactants change into products over time
Down
  1. A system in which no matter is allowed to enter or leave
  2. value that expresses how far the reaction proceeds before reaching equilibrium. A small number means that equilibrium is towards the reactants side while a large number means that the equilibrium is towards the product side
  3. When a change is experienced by a chemical system in equilibrium, the system will adjust to partially offset the change
  4. Expression used to determine the unknown equilibrium concentrations. It describes the relationship of the products relative to the reactants in a chemical equilibrium system.
  5. shows the energy of reactants and products during the course of a reaction
  6. describes a reaction that involves only one particle that goes on to form products
  7. a transitional structure that results from an effective collision and that persists while old bonds are breaking and new bonds are forming
  8. A type of biological protein that speeds up a chemical reaction in a living thing
  9. the step-by-step sequence of reactions by which the overall chemical change occurs
  10. an elementary step in a reaction that involves two particles, either the same species or different, that collide and go on to form products

18 Clues: A state of balance • Energy needed to get a reaction started • the direction of a reversible reaction is favored • A system in which no matter is allowed to enter or leave • substance that speeds up the rate of a chemical reaction • the rate at which reactants change into products over time • shows the energy of reactants and products during the course of a reaction • ...

Science Vocab chapter 4 2018-10-25

Science Vocab chapter 4 crossword puzzle
Across
  1. the new substances that form.
  2. occurs when compounds break down into simpler products.
  3. increases the reaction rate by lowering the activation energy needed.
  4. matter does not enter or leave
  5. a solid that forms from liquids during a chemical reaction.
  6. substances that undergo the chemical changes.
  7. matter can enter from or escape to the surroundings.
  8. more energy is required to break the bonds of the reactants than is released by the formation of the products.
  9. any change that alters the form or appearance of a substance but does not change it into another substance.
  10. A material used to decrease the rate of a chemical reaction is an...
Down
  1. states that during a chemical reaction matter is not created or destroyed.
  2. a number placed in front of a chemical formula in an equation.
  3. A change in matter that produces one or more new substances.
  4. the minimum amount of energy needed to start a chemical reaction.
  5. the energy released as the products form is greater than the energy required to break the bonds of the reactants.
  6. in chemistry when two or more elements or compounds combine to make a more complex substance, the reaction is classified as...
  7. the cells in your body contain thousands of biological catalysts called...
  8. a way to show a chemical reaction, using symbols instead of words.
  9. the amount of a substance in a given volume.
  10. when one element replaces another element in a compound, or if two elements in different compounds trade places, the reaction is a replacement.

20 Clues: the new substances that form. • matter does not enter or leave • the amount of a substance in a given volume. • substances that undergo the chemical changes. • matter can enter from or escape to the surroundings. • occurs when compounds break down into simpler products. • a solid that forms from liquids during a chemical reaction. • ...

Chapter 7 vocab 2023-01-03

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

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 • ...

Glossary 2016-10-23

Glossary crossword puzzle
Across
  1. a chemical reaction that releases energy
  2. a reaction of an acid with a base, forming salt and water
  3. a rapid reaction with oxygen that releases energy in the form of heat/light
  4. simple written description of what is happening in a reaction
  5. a chemical reaction that absorbs energy
  6. chemicals produced in a chemical reaction. They are written on the right hand side of the arrow
  7. a chemical reaction that has the same numbers of each atom on both sides of the arrow.
  8. a way of protecting aluminium from corrosion, by deliberately creating a layer of aluminium oxide over it
  9. a type of sugar produced by photosynthesis
Down
  1. a rain that has acids such as nitric acid and sulfuric dissolved in it
  2. a green chemical found in chloroplasts of green plants, needed to carry out photosynthesis
  3. Hydrated Iron (III)
  4. a reaction that uses oxygen to release energy stored in glucose
  5. single celled organisms that live in water, They are an important store of carbon or carbon sink
  6. combustion that occurs when there is plenty of oxygen, it produces carbon dioxide and water vapour
  7. a process in which chemicals move, caused by different concentrations of the chemical
  8. a biological catalyst that speeds up the reaction
  9. the breakdown of metals due to their reaction with other chemicals.

18 Clues: Hydrated Iron (III) • a chemical reaction that absorbs energy • a chemical reaction that releases energy • a type of sugar produced by photosynthesis • a biological catalyst that speeds up the reaction • a reaction of an acid with a base, forming salt and water • simple written description of what is happening in a reaction • ...

Chemical Reaction Glossary 2023-02-02

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

16 Clues: able to cause damage. • the relative size of things. • to change the order or position of something. • a group of atoms joined together in a particular way. • a substance that is added to soil to help plants grow. • a starting substance that is part of a chemical reaction. • an ending substance that is made during a chemical reaction. • ...

Chemical Reaction Vocabulary 2025-11-16

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

15 Clues: able to cause damage • the relative size of things • the tiny pieces that all matter is made of • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • ...

Chemistry Crossword 2017-11-12

Chemistry Crossword crossword puzzle
Across
  1. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance.
  2. orbit of electrons around the nucleus of an atom.
  3. change that results when two or more substances react to create a different substance, the new substance have completely different properties from the original one.
  4. group 2 elements in the periodic table.
  5. number of protons in the nucleus of one atom of an element.
  6. chemical reaction that releases energy.
  7. measure of atomic mass 1 amu is equal to 1/12th of an atom.
  8. the smallest part of an element that is representative of that element.
Down
  1. chemical reaction that absorbs energy.
  2. principle that matter is not created or destroyed in a chemical reaction, the mass of the products always equals the mass of the reactants.
  3. an experiment in which all reactants and all products of a chemical reaction are accounted for.
  4. chemical combination of two or more elements in a specific ratio.
  5. chemical reaction that takes place in cells.
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  7. slow chemical change that occurs when oxygen in the air reacts with a metal.
  8. description of how a substance interacts with other substances.
  9. a reaction that takes place when two or more substances react to form new substances.
  10. catalyst involved in chemical reaction in living things.
  11. change of state from a liquid to a gas.
  12. combination of symbols that represent a compound.
  13. group 1 elements in the periodic table, not including hydrogen.
  14. ability of a substance to conduct electricity or heat.
  15. invisible negatively charged particle that orbits the nucleus of an atom
  16. pure substance that cannot be broken down into other substances, substance made up of only one type of atom.
  17. substances that helps a chemical reaction to proceed more quickly.
  18. mass of one atom of an element calculated from the total number of protons neutrons and electrons.

26 Clues: chemical reaction that absorbs energy. • group 2 elements in the periodic table. • chemical reaction that releases energy. • change of state from a liquid to a gas. • chemical reaction that takes place in cells. • orbit of electrons around the nucleus of an atom. • combination of symbols that represent a compound. • ...

Tom's Crossword Puzzle 2016-05-19

Tom's Crossword Puzzle crossword puzzle
Across
  1. Energy Released during nuclear fission.
  2. Can be dissolved in water.
  3. Energy When something moves it produces kinetic energy.
  4. An electromagnetic wave of high energy and a short wavelength.
  5. Reaction A chemical reaction that releases energy by light or heat.
  6. Reaction Reaction in which the systems absorbs the energy from its surroundings.
  7. Cannot be dissolved in water.
  8. Substances that are slippery to the touch.
  9. Allowing light but not shapes to pass through.
  10. Of Reaction The substances that result from the recombination of atoms.
  11. Not able to be seen through.
  12. Variable The variable that is being tested, can be changed by the independent variable.
Down
  1. An electromotive force expressed in volts.
  2. Easy to see through, light goes through.
  3. Invisible rays that are a part of energy that comes from the sun.
  4. A substance that takes part in change during a reaction.
  5. Variable The variable that is changed or controlled.
  6. Substances with chemical properties that dissolve metal.
  7. Reaction A chemical reaction where a compound and an oxidant is reacted to produce heat and a new product.
  8. Reaction One atom or compound steals electrons from another atom or compound.
  9. Of Constant Proportions A chemical compound always contains the same elements combined together in the same proportion by mass.
  10. Power from a physical or chemical source.
  11. Waves An electromagnetic wave of frequency that comes from a radio.

23 Clues: Can be dissolved in water. • Not able to be seen through. • Cannot be dissolved in water. • Energy Released during nuclear fission. • Easy to see through, light goes through. • Power from a physical or chemical source. • An electromotive force expressed in volts. • Substances that are slippery to the touch. • Allowing light but not shapes to pass through. • ...

ch-1 2019-10-03

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

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

Science Vocab chapter 4 2018-10-25

Science Vocab chapter 4 crossword puzzle
Across
  1. the new substances that form.
  2. a solid that forms from liquids during a chemical reaction.
  3. A change in matter that produces one or more new substances.
  4. any change that alters the form or appearance of a substance but does not change it into another substance.
  5. substances that undergo the chemical changes.
  6. states that during a chemical reaction matter is not created or destroyed.
  7. matter does not enter or leave
Down
  1. when one element replaces another element in a compound, or if two elements in different compounds trade places, the reaction is a replacement.
  2. a number placed in front of a chemical formula in an equation.
  3. more energy is required to break the bonds of the reactants than is released by the formation of the products.
  4. a way to show a chemical reaction, using symbols instead of words.
  5. the cells in your body contain thousands of biological catalysts called...
  6. A material used to decrease the rate of a chemical reaction is an...
  7. the energy released as the products form is greater than the energy required to break the bonds of the reactants.
  8. the minimum amount of energy needed to start a chemical reaction.
  9. the amount of a substance in a given volume.
  10. occurs when compounds break down into simpler products.
  11. matter can enter from or escape to the surroundings.
  12. increases the reaction rate by lowering the activation energy needed.
  13. in chemistry when two or more elements or compounds combine to make a more complex substance, the reaction is classified as...

20 Clues: the new substances that form. • matter does not enter or leave • the amount of a substance in a given volume. • substances that undergo the chemical changes. • matter can enter from or escape to the surroundings. • occurs when compounds break down into simpler products. • a solid that forms from liquids during a chemical reaction. • ...

Tom's Crossword Puzzle 2016-05-19

Tom's Crossword Puzzle crossword puzzle
Across
  1. Waves An electromagnetic wave of frequency that comes from a radio.
  2. Not able to be seen through.
  3. Energy When something moves it produces kinetic energy.
  4. Cannot be dissolved in water.
  5. Invisible rays that are a part of energy that comes from the sun.
  6. Can be dissolved in water.
  7. Variable The variable that is being tested, can be changed by the independent variable.
  8. A substance that takes part in change during a reaction.
  9. Substances with chemical properties that dissolve metal.
  10. Easy to see through, light goes through.
  11. Energy Released during nuclear fission.
Down
  1. Reaction One atom or compound steals electrons from another atom or compound.
  2. Power from a physical or chemical source.
  3. An electromotive force expressed in volts.
  4. Reaction A chemical reaction that releases energy by light or heat.
  5. Of Reaction The substances that result from the recombination of atoms.
  6. Of Constant Proportions A chemical compound always contains the same elements combined together in the same proportion by mass.
  7. Variable The variable that is changed or controlled.
  8. Allowing light but not shapes to pass through.
  9. An electromagnetic wave of high energy and a short wavelength.
  10. Reaction A chemical reaction where a compound and an oxidant is reacted to produce heat and a new product.
  11. Reaction Reaction in which the systems absorbs the energy from its surroundings.
  12. Substances that are slippery to the touch.

23 Clues: Can be dissolved in water. • Not able to be seen through. • Cannot be dissolved in water. • Energy Released during nuclear fission. • Easy to see through, light goes through. • Power from a physical or chemical source. • An electromotive force expressed in volts. • Substances that are slippery to the touch. • Allowing light but not shapes to pass through. • ...

Chapter 5 2022-05-04

Chapter 5 crossword puzzle
Across
  1. a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  2. a material that decreases the rate of a reaction
  3. of Conservation of mass, the principle that the total amount of matter is neither created not destroyed during any chemical or physical change
  4. that undergo the chemical change
  5. a material that increases the rate of a reaction by lowering the activation energy
  6. reaction, a reaction that absorbs energy
  7. a reaction in which one emmental replaces another in a compound or when two events in different compounds trade places
Down
  1. a chemical reaction that breaks down compounds into simpler products
  2. the amount of one material in a certain volume of another material
  3. change/a change in matter that produces one or more new substances
  4. a chemical reaction in which two or more simple substances combine to form a new (more complex) substance
  5. the new substances that form
  6. change/any change that alters the form or appearance of a substance but does no change it into another’s substance
  7. energy, the minimum amount of energy needed to start a chemical reaction
  8. a type of protein that speeds up a chemical reaction in a living thing (a biological catalyst that lowers the activation energy of reactions in cells
  9. reaction, a reaction that releases energy (usually in the form of heat)

16 Clues: the new substances that form • that undergo the chemical change • reaction, a reaction that absorbs energy • a material that decreases the rate of a reaction • the amount of one material in a certain volume of another material • change/a change in matter that produces one or more new substances • a chemical reaction that breaks down compounds into simpler products • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. chemical combination of two or more elements in a specific ratio.
  2. invisible negatively charged particle that orbits the nucleus of an atom
  3. chemical reaction that takes place in cells.
  4. chemical reaction that absorbs energy.
  5. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
  6. change of state from a liquid to a gas.
  7. orbit of electrons around the nucleus of an atom.
  8. pure substance that cannot be broken down into other substances, substance made up of only one type of atom.
  9. principle that matter is not created or destroyed in a chemical reaction, the mass of the products always equals the mass of the reactants.
  10. the smallest part of an element that is representative of that element.
Down
  1. combination of symbols that represent a compound.
  2. a reaction that takes place when two or more substances react to form new substances.
  3. change that results when two or more substances react to create a different substance, the new substance have completely different properties from the original one.
  4. number of protons in the nucleus of one atom of an element.
  5. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance.
  6. measure of atomic mass 1 amu is equal to 1/12th of an atom.
  7. group 2 elements in the periodic table.
  8. substances that helps a chemical reaction to proceed more quickly.
  9. chemical reaction that releases energy.
  10. description of how a substance interacts with other substances.
  11. catalyst involved in chemical reaction in living things.
  12. slow chemical change that occurs when oxygen in the air reacts with a metal.
  13. group 1 elements in the periodic table, not including hydrogen.
  14. an experiment in which all reactants and all products of a chemical reaction are accounted for.
  15. ability of a substance to conduct electricity or heat.
  16. mass of one atom of an element calculated from the total number of protons neutrons and electrons.

26 Clues: chemical reaction that absorbs energy. • group 2 elements in the periodic table. • chemical reaction that releases energy. • change of state from a liquid to a gas. • chemical reaction that takes place in cells. • combination of symbols that represent a compound. • orbit of electrons around the nucleus of an atom. • ...

CR TEST REVIEW 2025-12-15

CR TEST REVIEW crossword puzzle
Across
  1. Observations that show a reaction occurred
  2. Thermal energy transferred between objects
  3. Evidence that substances have changed into new substances
  4. Substance formed after a chemical reaction
  5. Evidence involving gas, precipitate, or color change
  6. Evidence of a chemical reaction involving bubbles
  7. Solids formed during a reaction in solution
  8. The part of the universe being studied
  9. A reaction that absorbs heat energy
  10. Evidence of a chemical reaction involving a change in color
  11. Takes in energy during a reaction
  12. When atoms rearrange, they form these substances
  13. When atoms rearrange, their connections change
  14. A change where the substance stays the same
  15. The smallest unit of an element
  16. A system where matter cannot enter or leave
  17. A comparison group in an experiment
  18. A change where a new substance forms
  19. A sign of gas formation
  20. The principle that matter is not created or destroyed
  21. A system where matter can escape
Down
  1. A measure of average kinetic energy
  2. The standard used for comparison in experiments
  3. Substance present before a chemical reaction
  4. A reaction that produces new substances
  5. Gives off energy during a reaction
  6. The law stating matter is not created or destroyed
  7. A change where no new substance forms
  8. Two or more atoms bonded together
  9. When total mass stays the same before and after a reaction
  10. A solid that forms when two liquids react
  11. The ability to cause change or do work
  12. A reaction that releases heat energy
  13. A first model of a solution used in engineering
  14. The amount of matter in an object
  15. Mixing salt and water without forming a new substance is this type of change
  16. Anything that has mass and takes up space

37 Clues: A sign of gas formation • The smallest unit of an element • A system where matter can escape • Two or more atoms bonded together • Takes in energy during a reaction • The amount of matter in an object • Gives off energy during a reaction • A measure of average kinetic energy • A reaction that absorbs heat energy • A comparison group in an experiment • ...

Types Of Reaction 2024-05-11

Types Of Reaction crossword puzzle
Across
  1. A Reaction in which two chemical substances react by exchanging ions to produce two new molecules
  2. A reaction in which one element is substituted for another element in a compound.
  3. A substance that donates electrons to another substance in a chemical reaction.
  4. A reaction in which oxygen atom is added or hydrogen atom is lost.
  5. Releasing heat energy during a chemical reaction
  6. A reaction in which a compound breaks down into two or more simpler substances
Down
  1. A chemical process in which two or more simple elements or compounds combine to form a more complex product
  2. A chemical reaction which involves addition of hydrogen or removal of oxygen or gain of electron(s)
  3. Is a process where substances transform into new substances through the breaking and forming of chemical bonds.
  4. Relating to chemical reactions triggered by light energy.
  5. A chemical reaction occurring in an aqueous solution where two ionic bonds combine, resulting in the formation of an insoluble salt
  6. A substance that takes part in and undergoes change during a reaction.
  7. A substance that donates electrons to another substance in a chemical reaction.
  8. Absorbing heat energy during a chemical reaction.
  9. A chemical reaction in which an acid and base which react together to form a salt and water as products.

15 Clues: Releasing heat energy during a chemical reaction • Absorbing heat energy during a chemical reaction. • Relating to chemical reactions triggered by light energy. • A reaction in which oxygen atom is added or hydrogen atom is lost. • A substance that takes part in and undergoes change during a reaction. • ...

CHEMICAL REACTIONS AND EQUATIONS 2022-08-02

CHEMICAL REACTIONS AND EQUATIONS crossword puzzle
Across
  1. the symbol aq in a chemical equation means
  2. Gain of oxygen by a substance during a chemical reaction
  3. Solid that forms from a solution during a chemical reaction
  4. A destructive chemical process in which metals are oxidized in presence of air and moisture
  5. Substance formed as a result of a chemical reaction
Down
  1. Shortest representation of a chemical reaction using chemical formulae.
  2. Gain of hydrogen by a substance during a chemical reaction
  3. Reaction that gives out heat energy
  4. Reaction that absorbs heat energy
  5. A reaction in which a single product is formed when two or more reactants combine
  6. A reaction in which Oxidation of fats/oils results into the formation of acids
  7. Chemical reaction in which a single compound breaks down into two or more elements or compounds
  8. A reaction in which an element displaces another element from its compound

13 Clues: Reaction that absorbs heat energy • Reaction that gives out heat energy • the symbol aq in a chemical equation means • Substance formed as a result of a chemical reaction • Gain of oxygen by a substance during a chemical reaction • Gain of hydrogen by a substance during a chemical reaction • Solid that forms from a solution during a chemical reaction • ...

STOICHIOMETRY 2015-02-16

STOICHIOMETRY crossword puzzle
Across
  1. THE STATE OF THE MATTER: SOLID, LIQUID, OR GAS
  2. IN A CHEMICAL REACTION, THE REACTANT IS THE STARTING CHEMICAL(S). IT APPEARS TO THE RIGHT OF AN ARROW IN AN EQUATION.
  3. WHEN A CHEMICAL REACTION IS COMPLETED, THIS IS THE AMOUNT OF PRODUCT THAT YOU ACTUALLY MAKE
  4. A SCIENTIFIC PRINCIPLE THAT STATES THAT MATTER CANNOT BE CREATED NOR DESTROYED
  5. THE MASS OF AN ATOM EXPRESSED IN AMU
  6. A PROCESS THAT CONVERTS ONE OR MORE CHEMICALS INTO A DIFFERENT CHEMICAL(S)
  7. EXTREMELY SMALL; VISIBLE WITH A MICROSCOPE
  8. A GROUP OF ATOMS BONDED TOGETHER
  9. THE MASS IN ONE MOLE OF A SUBSTANCE
Down
  1. VISIBLE TO THE NAKED, OR UNAIDED, EYE
  2. THE ACTUAL YIELD OF A CHEMICAL REACTION DIVIDED BY THE THEORETICAL YIELD TIMES 100%
  3. IN A CHEMICAL REACTION, THE PRODUCT IS THE STARTING CHEMICAL(S). IT APPEARS TO THE LEFT OF AN ARROW IN AN EQUATION.
  4. QUANTITY OF PRODUCT OBTAINED FROM A COMPLETE CONVERSION OF THE LIMITING REAGENT. THIS IS HOW MUCH PRODUCT IS GIVEN IF WE LIVED IN A PERFECT WORLD.
  5. EQUAL TO 6.023X10^23
  6. TWO OR MORE FORMS OF THE SAME ELEMENT THAT CONTAIN EQUAL PROTONS BUT DIFFERENT NUMBER OF NEUTRONS
  7. THE PERCENTAGE BY MASS OF EACH ELEMENT IN A COMPOUND
  8. THE LIMITING REAGENT IS THE CHEMICAL IN A REACTION THAT DETERMINES HOW FAR A REACTION CAN PROCEED OR HOW MUCH PRODUCT CAN BE MADE
  9. A REPRESENTATION OF A CHEMICAL REACTION WHERE THE REACTANTS ARE ON THE LEFT OF AN ARROW AND THE PRODUCTS ON THE RIGHT OF AN ARROW
  10. A MEASUREMENT OF AN AMOUNT OF A SUBSTANCE, ALWAYS EQUAL TO 6.023X10^23
  11. THE SET PROPORTIONS IN WHICH ELEMENTS OR COMPOUNDS REACT WITH ONE ANOTHER

20 Clues: EQUAL TO 6.023X10^23 • A GROUP OF ATOMS BONDED TOGETHER • THE MASS IN ONE MOLE OF A SUBSTANCE • THE MASS OF AN ATOM EXPRESSED IN AMU • VISIBLE TO THE NAKED, OR UNAIDED, EYE • EXTREMELY SMALL; VISIBLE WITH A MICROSCOPE • THE STATE OF THE MATTER: SOLID, LIQUID, OR GAS • THE PERCENTAGE BY MASS OF EACH ELEMENT IN A COMPOUND • ...

Mod 5 vocab 2021-11-13

Mod 5 vocab crossword puzzle
Across
  1. high-temperature exothermic redox chemical reaction between a fuel and an oxidant
  2. a substance produced during a natural, chemical, or manufacturing process.
  3. the numbers or terms used to balance chemical equations and are placed in front of a chemical symbol or formula
  4. a substance that takes part in and undergoes change during a reaction.
  5. is a chemical reaction in which one element is replaced by another in a compound
Down
  1. reactions that occur when two different atoms or molecules interact to form a different molecule or compound
  2. replacement reaction is a chemical process involving the exchange of bonds between two reacting chemical species which results in the creation of products with similar or identical bonding affiliations.
  3. solution solution in which the solvent is water. It is mostly shown in chemical equations by appending to the relevant chemical formula.
  4. s the process or effect of simplifying a single chemical entity into two or more fragments
  5. A solvent is a substance that dissolves a solute, resulting in a solution
  6. ion an ion that does not take part in the chemical reaction
  7. the process of transforming a dissolved substance into an insoluble solid from a super-saturated solution.
  8. ionic equation indicates all of the dissociated ions in a chemical reaction.
  9. the minor component in a solution, dissolved in the solvent.
  10. A chemical equation is 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
  11. 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 a chemical process in which two or more substances act mutually on each other and are changed into different substances, or one substance changes into two or more other substances.
  12. ionic equation the chemical equation that shows only those elements, compounds, and ions that are directly involved in the chemical reaction

17 Clues: ion an ion that does not take part in the chemical reaction • the minor component in a solution, dissolved in the solvent. • a substance that takes part in and undergoes change during a reaction. • A solvent is a substance that dissolves a solute, resulting in a solution • a substance produced during a natural, chemical, or manufacturing process. • ...

Science Vocab chapter 4 2018-10-25

Science Vocab chapter 4 crossword puzzle
Across
  1. system matter can enter from or escape to the surroundings.
  2. substances that undergo the chemical changes.
  3. the amount of a substance in a given volume.
  4. of conservation of mass states that during a chemical reaction matter is not created or destroyed.
  5. the new substances that form.
  6. in chemistry when two or more elements or compounds combine to make a more complex substance, the reaction is classified as...
  7. increases the reaction rate by lowering the activation energy needed.
  8. when one element replaces another element in a compound, or if two elements in different compounds trade places, the reaction is a replacement.
  9. a number placed in front of a chemical formula in an equation.
  10. reaction the energy released as the products form is greater than the energy required to break the bonds of the reactants.
Down
  1. A material used to decrease the rate of a chemical reaction is an...
  2. change any change that alters the form or appearance of a substance but does not change it into another substance.
  3. the cells in your body contain thousands of biological catalysts called...
  4. reaction more energy is required to break the bonds of the reactants than is released by the formation of the products.
  5. occurs when compounds break down into simpler products.
  6. a solid that forms from liquids during a chemical reaction.
  7. system matter does not enter or leave
  8. energy the minimum amount of energy needed to start a chemical reaction.
  9. change A change in matter that produces one or more new substances.

19 Clues: the new substances that form. • system matter does not enter or leave • the amount of a substance in a given volume. • substances that undergo the chemical changes. • occurs when compounds break down into simpler products. • system matter can enter from or escape to the surroundings. • a solid that forms from liquids during a chemical reaction. • ...

Chemical Reactions Vocab 2017-08-03

Chemical Reactions Vocab crossword puzzle
Across
  1. a reaction in which one element displaces another in a compound
  2. an ionic compound that usually remains dissolved in a solution after an acid-base reaction has occurred
  3. dissolves in solution
  4. a chemical equation showing all the species as they are actually present in solution
  5. a reaction that occurs in solution and forms a gas as one of the products
  6. a reaction in which electrons are transferred from one substance to another
  7. a solution containing a solute that dissociates into ions; therefore, a solution that conducts electricity well
  8. a reaction in which simpler substances combine to form more complex substances
  9. a chemical equation showing the complete, neutral formulas for every compound in a reaction
  10. ions that do not participate in a reaction; they appear unchanged on both sides of a chemical equation
  11. a chemical equation in which the numbers of each type of atom on both sides of the equation are equal
  12. an equation that shows only the species that actually participate in a reaction
  13. a homogeneous mixture of a substance with water
Down
  1. a reaction in which two elements or groups of element in two different compounds exchange places to form two new compounds
  2. a reaction that forms water and typically a salt
  3. a chemical reaction in which simpler substances combined to form more complex substances
  4. a reaction in which one element displaces another in a compound
  5. a reaction that takes place when an acid and a base are mixed; to form water and a salt
  6. a reaction that forms a solid or precipitate when two aqueous solutions are mixed
  7. an insoluble product formed through the reaction of two solutions containing soluble compounds
  8. a reaction in which a complex substance breaks apart to form simpler substances
  9. a set of empirical rules used to determine whether an ionic compound is soluble
  10. a reaction in which a substance reacts with oxygen, emitting heat and forming one or more oxygen-containing compounds
  11. does not dissolve in water

24 Clues: dissolves in solution • does not dissolve in water • a homogeneous mixture of a substance with water • a reaction that forms water and typically a salt • a reaction in which one element displaces another in a compound • a reaction in which one element displaces another in a compound • a reaction that occurs in solution and forms a gas as one of the products • ...

Grade 9 Unit B Vocabulary 2023-10-24

Grade 9 Unit B Vocabulary crossword puzzle
Across
  1. an atom that has lost electrons
  2. matter cannot be created or destroyed
  3. nonmetals in group 17 of the periodic table
  4. the ability for a material to be rolled into wire or rods
  5. a chemical reaction involving the burning of a fuel with oxygen
  6. chemically unreactive
  7. a type of element that is a good insulator
  8. a type of element that shares properties between metals and nonmetals
  9. a negatively charged subatomic particle
  10. the ability for a material to be hammered into thin sheets
  11. nonmetal elements found in group 18 of the periodic table
  12. a chemical reaction that absorbs heat has a reactant
  13. the chemicals produced in a chemical reaction
  14. a positively charged subatomic particle
  15. a chemical reaction between a metal and oxygen
Down
  1. metals in group two of the periodic table
  2. starting chemicals in a chemical reaction
  3. a pure substance made of only one type of molecule
  4. metals in group one of the periodic table
  5. an atom that has gained electrons
  6. a substance that speeds up a chemical reaction
  7. a table that includes all known elements organized by atomic structure
  8. a type of element that is good at conducting heat and electricity
  9. a pure substance made of only one type of atom
  10. workplace hazardous material information system
  11. a chemical reaction that releases heat as a product
  12. something that has mass and takes up space

27 Clues: chemically unreactive • an atom that has lost electrons • an atom that has gained electrons • matter cannot be created or destroyed • a negatively charged subatomic particle • a positively charged subatomic particle • metals in group two of the periodic table • starting chemicals in a chemical reaction • metals in group one of the periodic table • ...

Shai Oliva 2019-06-12

Shai Oliva crossword puzzle
Across
  1. table A table of chemical elements arranged in order of atomic number
  2. A substance that conducts electricity when dissolved in water
  3. Negatively charged ions formed when electrons are gained
  4. Hg
  5. ion Nitrate ion (NO3-)
  6. A whole number that appears before a formula in an equation
  7. Positively charged ions formed when electrons are lost
  8. reaction A reaction in which oxygen reacts with another substance, often producing carbon dioxide and water
  9. 2 atoms of hydrogen and one oxygen
  10. Atoms or groups of atoms with a charge ( negative or positive)
  11. replacement reaction A reaction that involves an exchange of positive ions between two compounds
  12. dot structure Name of structure of dna
Down
  1. A starting substance in a chemical reaction
  2. bonding When a pair of electrons is shared between two atoms
  3. bonds Bonds form to make atoms happy, allow atoms to follow the octet rule, and hold atoms together
  4. reaction A reaction in which a single compound is broken down into simpler substances
  5. Ba
  6. A new substance formed in a chemical reaction
  7. 1s2 2s2 2p3
  8. 1s2 2s2 2p6 3s2 3p5
  9. bonding Atoms give away or accept electrons
  10. Indicates a substance is dissolved in water
  11. replacement reaction A reaction in which the atoms of one element replace the atoms of a second element

23 Clues: Ba • Hg • 1s2 2s2 2p3 • 1s2 2s2 2p6 3s2 3p5 • ion Nitrate ion (NO3-) • 2 atoms of hydrogen and one oxygen • dot structure Name of structure of dna • A starting substance in a chemical reaction • bonding Atoms give away or accept electrons • Indicates a substance is dissolved in water • A new substance formed in a chemical reaction • ...

Types of Chemical Reactions 2024-05-11

Types of Chemical Reactions crossword puzzle
Across
  1. A chemical reaction that releases energy in the form of heat
  2. When two compounds switch partners in a reaction
  3. The number and types of atoms on both sides of the equation must be equal in this type of reaction
  4. A reaction in which an acid reacts with a base to produce salt and water
  5. Residue formed from the reaction between an acid and a base
  6. A solid formed from a chemical reaction that settles out of a solution
  7. A type of reaction that absorbs heat from its surroundings
  8. The outcome of a chemical reaction
  9. This type of reaction involves the breaking down of a compound into simpler substances
Down
  1. The foul smell that develops in oils due to exposure to oxygen for a long time
  2. The gradual destruction of materials, especially metals
  3. The starting materials in a chemical reaction
  4. A substance that undergoes a reduction in a chemical reaction
  5. These minute particles are like the letters of the alphabet
  6. A type of reaction where a single element replaces another element in a compound
  7. Splitting compounds using electricity to obtain elements

16 Clues: The outcome of a chemical reaction • The starting materials in a chemical reaction • When two compounds switch partners in a reaction • The gradual destruction of materials, especially metals • Splitting compounds using electricity to obtain elements • A type of reaction that absorbs heat from its surroundings • ...

STOICHIOMETRY 2015-02-16

STOICHIOMETRY crossword puzzle
Across
  1. TWO OR MORE FORMS OF THE SAME ELEMENT THAT CONTAIN EQUAL PROTONS BUT DIFFERENT NUMBER OF NEUTRONS
  2. VISIBLE TO THE NAKED, OR UNAIDED, EYE
  3. THE STATE OF THE MATTER: SOLID, LIQUID, OR GAS
  4. A REPRESENTATION OF A CHEMICAL REACTION WHERE THE REACTANTS ARE ON THE LEFT OF AN ARROW AND THE PRODUCTS ON THE RIGHT OF AN ARROW
  5. THE SET PROPORTIONS IN WHICH ELEMENTS OR COMPOUNDS REACT WITH ONE ANOTHER
  6. WHEN A CHEMICAL REACTION IS COMPLETED, THIS IS THE AMOUNT OF PRODUCT THAT YOU ACTUALLY MAKE
  7. IN A CHEMICAL REACTION, THE REACTANT IS THE STARTING CHEMICAL(S). IT APPEARS TO THE RIGHT OF AN ARROW IN AN EQUATION.
  8. IN A CHEMICAL REACTION, THE PRODUCT IS THE STARTING CHEMICAL(S). IT APPEARS TO THE LEFT OF AN ARROW IN AN EQUATION.
  9. EQUAL TO 6.023X10^23
  10. THE MASS IN ONE MOLE OF A SUBSTANCE
  11. THE PERCENTAGE BY MASS OF EACH ELEMENT IN A COMPOUND
  12. A MEASUREMENT OF AN AMOUNT OF A SUBSTANCE, ALWAYS EQUAL TO 6.023X10^23
  13. THE ACTUAL YIELD OF A CHEMICAL REACTION DIVIDED BY THE THEORETICAL YIELD TIMES 100%
Down
  1. EXTREMELY SMALL; VISIBLE WITH A MICROSCOPE
  2. THE LIMITING REAGENT IS THE CHEMICAL IN A REACTION THAT DETERMINES HOW FAR A REACTION CAN PROCEED OR HOW MUCH PRODUCT CAN BE MADE
  3. A PROCESS THAT CONVERTS ONE OR MORE CHEMICALS INTO A DIFFERENT CHEMICAL(S)
  4. A SCIENTIFIC PRINCIPLE THAT STATES THAT MATTER CANNOT BE CREATED NOR DESTROYED
  5. QUANTITY OF PRODUCT OBTAINED FROM A COMPLETE CONVERSION OF THE LIMITING REAGENT. THIS IS HOW MUCH PRODUCT IS GIVEN IF WE LIVED IN A PERFECT WORLD.
  6. THE MASS OF AN ATOM EXPRESSED IN AMU
  7. A GROUP OF ATOMS BONDED TOGETHER

20 Clues: EQUAL TO 6.023X10^23 • A GROUP OF ATOMS BONDED TOGETHER • THE MASS IN ONE MOLE OF A SUBSTANCE • THE MASS OF AN ATOM EXPRESSED IN AMU • VISIBLE TO THE NAKED, OR UNAIDED, EYE • EXTREMELY SMALL; VISIBLE WITH A MICROSCOPE • THE STATE OF THE MATTER: SOLID, LIQUID, OR GAS • THE PERCENTAGE BY MASS OF EACH ELEMENT IN A COMPOUND • ...

Chapter 5 Vocabulary 2013-11-05

Chapter 5 Vocabulary crossword puzzle
Across
  1. the fragments of molecules that have at least one electron available for bonding
  2. the decomposition of a compound by an electric current
  3. a substance that is the result of a chemical change
  4. a substance that changes the rate of chemical reactions without being consumed
  5. a reaction in which atoms of one element take the place of atoms of another element in a compound
  6. a reaction that transfers energy from the reactants to the surroundings as heat
  7. a reaction in which one compound breaks into at least two products
  8. a reaction in which energy is transferred to the reactants as heat from the surroundings
  9. the state in which a chemical reaction and its reverse occur at the same time and at the same rate
  10. a protein that speeds up a specific biochemical reaction
  11. a reaction of at least two substances that forms a new more complex compound
  12. a substance that undergoes a chemical change
  13. an equation that uses chemical formulas and symbols to show the reactants and products in a chemical reaction
Down
  1. a reaction in which a gas, a solid precipitate, or a molecular compound is formed from the apparent exchange of ions between two compounds
  2. a reaction in which a compound and oxygen burn
  3. the energy stored within atoms and molecules that can be released when a substance reacts
  4. a reaction that occurs when electrons are transferred from one reactant to another
  5. the specific substance affected by an enzyme

18 Clues: the specific substance affected by an enzyme • a substance that undergoes a chemical change • a reaction in which a compound and oxygen burn • a substance that is the result of a chemical change • the decomposition of a compound by an electric current • a protein that speeds up a specific biochemical reaction • ...

6 Types of Chemical Reactions 2025-11-14

6 Types of Chemical Reactions crossword puzzle
Across
  1. A chemical reaction where a hydrocarbon and oxygen react.
  2. A compound that releases hydrogen ions in solution.
  3. This element reacts with a hydrocarbon in a combustion reaction.
  4. The name of the compound formed when AlP and N2 react.
  5. The name of the salt formed when HCl and NaOH react.
  6. The name given to an ion with a positive charge.
  7. This group of 7 elements will always occur in pairs when they are not in a compound.
Down
  1. A chemical reaction where one element in a compound is replaced by a single element.
  2. In a double replacement reaction, which element would iron replace? FeS + CaO -->
  3. When sulphur appears as a single element, it isn't in a pair, but a group of __________.
  4. A chemical reaction where a compound breaks down into individual elements.
  5. In a single replacement reaction, which element would iodine replace when reacted with KF?
  6. After you predict the products of a chemical reaction, you must use coefficients to _________ the equation.
  7. An ionic compound formed when an acid and base react.
  8. When phosphorous appears as a single element, it isn't in a pair, but a group of ___________.
  9. A compound that releases hydroxide ions in solution.
  10. This type of reaction occurs between an acid and a base.
  11. The name given to an ion with a negative charge.
  12. A chemical reaction where two elements combine to form a compound.
  13. This product is formed in both an acid-base reaction and a combustion.

20 Clues: The name given to an ion with a negative charge. • The name given to an ion with a positive charge. • A compound that releases hydrogen ions in solution. • A compound that releases hydroxide ions in solution. • The name of the salt formed when HCl and NaOH react. • An ionic compound formed when an acid and base react. • ...

Midterm Crossword review 2020-01-06

Midterm Crossword review crossword puzzle
Across
  1. How hot or cold something is
  2. an arrangement of elements showing the repeating patterns of their properties.
  3. the change of state from liquid to gas.
  4. a reaction that releases energy, example: the body
  5. 2,8,18,32.
  6. a material that increases the rate of a reaction by lowering the activation energy.
  7. a chemical reaction that break down compounds into simpler products.
  8. the ratio of mass of a substance to it volume.
  9. the basic particle from which all elements are made.
  10. the attractions between oppositely charged ions.
  11. a chemical reaction when two or more simple substances combine to form a new, more complex substance.
Down
  1. a short way to show a chemical reaction using symbols.
  2. a chemical reaction replaces another in a compound, or when 2 elements trade places.
  3. A small particle that is neutral.
  4. a state of matter that has no definite shape but has a definite volume.
  5. the amount of matter in an object.
  6. a chemical bond formed when two atoms share an electron.
  7. a reaction that absorbs energy, example: ice
  8. the temperature at which a substance changes from a solid to a liquid.
  9. represents the amount of electrons in electron configuration.
  10. small, positive particles found in the nucleus.
  11. a state of matter that has a definite shape and volume.
  12. a state of matter that has no definite shape or volume.
  13. anything that has mass and takes up space.
  14. small, negative particles that move around the nucleus.

25 Clues: 2,8,18,32. • How hot or cold something is • A small particle that is neutral. • the amount of matter in an object. • the change of state from liquid to gas. • anything that has mass and takes up space. • a reaction that absorbs energy, example: ice • the ratio of mass of a substance to it volume. • small, positive particles found in the nucleus. • ...

Types Of Reaction-Crossword Puzzle(M.A) 2024-05-06

Types Of Reaction-Crossword Puzzle(M.A) crossword puzzle
Across
  1. Reaction that absorbs heat from its surroundings.
  2. Reaction that releases heat to its surroundings.
  3. Reaction between an acid and a base to form water and a salt.
  4. Chemical reaction involving the loss of electrons by a substance.
  5. Type of reaction involving both reduction and oxidation.
  6. Combination of two or more substances to form a new compound.
  7. Chemical reaction involving the gain of electrons by a substance.
Down
  1. Type of reaction where an acid reacts with a base to form salt and water.
  2. Formation of a solid from a solution during a chemical reaction.
  3. Reaction where water breaks down a compound into simpler substances.
  4. Breakdown of a compound into simpler substances.
  5. Type of replacement reaction involving two reactants.
  6. Rapid chemical reaction between a fuel and oxygen, often producing heat and light.
  7. Type of replacement reaction involving one reactant.
  8. Another term for replacement reaction where one element replaces another in a compound.
  9. Reaction in which an element replaces another in a compound.

16 Clues: Breakdown of a compound into simpler substances. • Reaction that releases heat to its surroundings. • Reaction that absorbs heat from its surroundings. • Type of replacement reaction involving one reactant. • Type of replacement reaction involving two reactants. • Type of reaction involving both reduction and oxidation. • ...

chapter 5 vocab crossword 2020-03-27

chapter 5 vocab crossword crossword puzzle
Across
  1. the amount of a substance in a given volume
  2. a way to show a chemical reaction but with symbols
  3. a number placed in front of a chemical formula in an equation
  4. a material used to decrease the rate of a chemical reaction
  5. substances that undergo chemical changes
  6. where matter can enter or escape to the surroundings
  7. when one element replaces another element in a compound
  8. new substances that form
  9. increases the reactiog rate by lowering the activation energy
  10. a solid that forms liquids during a chemical reaction
  11. any change that altes the appernce or a substace
Down
  1. when 2 or more elements combine to make a more complex substace
  2. states that matter can not be created or destroyed
  3. energy being absor
  4. biological catalyst that help these reactions occur at body tempreature
  5. a reaction occurs when compounds breakdown into simpler
  6. minimum amount of energy to start a chemical reaction
  7. energy being released
  8. a change where one substace becomes a different substance
  9. where matter can not enter or escape

20 Clues: energy being absor • energy being released • new substances that form • where matter can not enter or escape • substances that undergo chemical changes • the amount of a substance in a given volume • any change that altes the appernce or a substace • states that matter can not be created or destroyed • a way to show a chemical reaction but with symbols • ...

Enzymes Vocabulary 2022-10-27

Enzymes Vocabulary crossword puzzle
Across
  1. the amount of energy required to start a chemical reaction
  2. the part of the enzyme that binds to the substrate molecule
  3. damage done to a protein
  4. the suffix for most enzymes
  5. a chemical reaction that releases heat
  6. blocks an enzyme from being able to function
  7. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  8. the type of macromolecule an enzyme is
Down
  1. the amount of substrate available for a chemical reaction
  2. a chemical reaction that absorbs heat
  3. what is made at the end of a chemical reaction
  4. the molecule that binds to an enzyme to undergo a chemical change
  5. turns on an enzyme
  6. Protein that helps speed up chemical reactions in cells.

14 Clues: turns on an enzyme • damage done to a protein • the suffix for most enzymes • a chemical reaction that absorbs heat • a chemical reaction that releases heat • the type of macromolecule an enzyme is • blocks an enzyme from being able to function • what is made at the end of a chemical reaction • Protein that helps speed up chemical reactions in cells. • ...

chapter seventeen 2022-05-16

chapter seventeen crossword puzzle
Across
  1. a catalyst that exists in the same physical state as the reaction it catalyzes
  2. The mathematical relationship between the rate of a chemical reaction at a given temperature
  3. for a reactant describes how the rate is affected by the concentration of that reactant
  4. Term used to describe an activated complex because the activated complex is as likely to form reactants as it is to form
  5. a short-lived, unstable arrangement of atoms that may break apart and re-form
  6. The slowest elementary step in a complex reaction
  7. a substance that slows down the reaction rate of a chemical reaction or prevents a chemical reaction from happening
  8. a substance produced in one elementary step of a complex reaction
  9. states that atoms, ions, and molecules must collide in order to react
  10. a chemical reaction that consists of two or more elementary steps
Down
  1. a substance that increases the rate of a chemical reaction by lowering activation energies
  2. determines the reaction order by comparing the initial rates of a reaction carried out with varying reactant concentrations
  3. The change in concentration of a reactant or product per unit time
  4. a catalyst that exists in a different physical state than the reaction it catalyzes
  5. the rate of decomposition at a specific time
  6. The complete sequence of elementary steps that make up a complex reaction
  7. the minimum amount of energy required by reacting particles in order to form the activated complex
  8. A numerical value that relates reaction rate and concentration of reactant at a specific temperature

18 Clues: the rate of decomposition at a specific time • The slowest elementary step in a complex reaction • a substance produced in one elementary step of a complex reaction • a chemical reaction that consists of two or more elementary steps • The change in concentration of a reactant or product per unit time • ...

chapter seventeen 2022-05-16

chapter seventeen crossword puzzle
Across
  1. a catalyst that exists in the same physical state as the reaction it catalyzes
  2. The mathematical relationship between the rate of a chemical reaction at a given temperature
  3. for a reactant describes how the rate is affected by the concentration of that reactant
  4. Term used to describe an activated complex because the activated complex is as likely to form reactants as it is to form
  5. a short-lived, unstable arrangement of atoms that may break apart and re-form
  6. The slowest elementary step in a complex reaction
  7. a substance that slows down the reaction rate of a chemical reaction or prevents a chemical reaction from happening
  8. a substance produced in one elementary step of a complex reaction
  9. states that atoms, ions, and molecules must collide in order to react
  10. a chemical reaction that consists of two or more elementary steps
Down
  1. a substance that increases the rate of a chemical reaction by lowering activation energies
  2. determines the reaction order by comparing the initial rates of a reaction carried out with varying reactant concentrations
  3. The change in concentration of a reactant or product per unit time
  4. a catalyst that exists in a different physical state than the reaction it catalyzes
  5. the rate of decomposition at a specific time
  6. The complete sequence of elementary steps that make up a complex reaction
  7. the minimum amount of energy required by reacting particles in order to form the activated complex
  8. A numerical value that relates reaction rate and concentration of reactant at a specific temperature

18 Clues: the rate of decomposition at a specific time • The slowest elementary step in a complex reaction • a substance produced in one elementary step of a complex reaction • a chemical reaction that consists of two or more elementary steps • The change in concentration of a reactant or product per unit time • ...

C3.1 Introducing chemical reactions 2021-05-18

C3.1 Introducing chemical reactions crossword puzzle
Across
  1. molecule containing two atoms
  2. when a reactant is present in an amount greater than that needed to react with the other reactant
  3. a type of reaction in which a precipitate forms
  4. a type of chemical equation that models the change that happens to one reactant in a reaction
  5. an ion formed when a group of atoms loses of gains electrons
  6. a charged particle present in a reaction mixture, but that does not take part in the reaction
  7. a model for a reaction showing formulae and number of units for all substances involved. The numbers of each atom are the same on both sides of the equation
  8. an insoluble product in the solid state, formed during a reaction involving solutions
  9. the number of entities in one mole, equal to the number of atoms in 12.0 g of 12C atoms, 6.02 × 1023
Down
  1. a type of chemical equation that models how oppositely charged ions form an ionic compound
  2. amount of substance that contains the same number of particles (6.02 × 1023) as there are atoms in 12.0 g of 12C
  3. the principle that states that the total mass stays the same during a chemical reaction, because atoms are not created or destroyed during a chemical reaction
  4. a model of a reaction that describes reactants and products using their chemical names
  5. apparatus in which substances can enter or leave the reaction mixture during a reaction
  6. letters used to represent the physical state of a substance (g, gas; l, liquid; s, solid; aq, dissolved in water)
  7. apparatus in which substances cannot enter or leave the reaction mixture during a reaction
  8. blue paper changes to red in acidic solution, and red paper turns to blue in an alkaline solution
  9. a description of a compound or an element that uses symbols for atoms, and numbers to show the actual number of atoms of each element in a molecule
  10. a reactant present in an amount less that that needed to react completely with the other reactant in a chemical reaction
  11. the mass in grams of one mole of a substance
  12. describes the relative amounts of each substance involved in a chemical reaction
  13. alkaline calcium hydroxide solution. It turns cloudy white in the presence of carbon dioxide

22 Clues: molecule containing two atoms • the mass in grams of one mole of a substance • a type of reaction in which a precipitate forms • an ion formed when a group of atoms loses of gains electrons • describes the relative amounts of each substance involved in a chemical reaction • an insoluble product in the solid state, formed during a reaction involving solutions • ...