chemical reaction Crossword Puzzles

Eshan Ali 10-L 2025-04-30

Eshan Ali 10-L crossword puzzle
Across
  1. reaction always have oxygen as a reactant
  2. reaction with two elements forming a compound
  3. Reaction involving breakdown of a compound using electricity
  4. a type of decomposition reaction which is carried out by heat
  5. Gain of oxygen or loss of hydrogen.
  6. Spoiling of fats and oils due to oxidation
  7. Gradual damage of metal by chemical reaction
  8. reaction that releases heat
Down
  1. a substance that speeds up reaction without being used
  2. Reaction forming water and salt
  3. a type of decomposition of molecules by the action of light
  4. reaction combines two or more substances to form one product
  5. reaction that absorbs heat
  6. Solid formed during a chemical reaction in solution
  7. reaction breaking down a compound into simpler substances
  8. reaction that involves transfer of electrons

16 Clues: reaction that absorbs heat • reaction that releases heat • Reaction forming water and salt • Gain of oxygen or loss of hydrogen. • reaction always have oxygen as a reactant • Spoiling of fats and oils due to oxidation • reaction that involves transfer of electrons • Gradual damage of metal by chemical reaction • reaction with two elements forming a compound • ...

Speed of Reactions 2020-06-30

Speed of Reactions crossword puzzle
Across
  1. ___ particle size results in smaller surface area exposed for reaction
  2. When ___ increases, there are more reacting particles per unit volume
  3. The ___ of a catalyst remains the same at the start and end of a chemical reaction
  4. The ___ taken for a chemical reaction to complete is shortened when a catalyst is used
  5. The speed of a reaction ___ with time
  6. increasing concentration or temperature of reactants increase the ___ of collisions and hence the ___ of effective collisions leading to greater speed of reaction
  7. The use of a catalyst results in a ___ proportion of particles having sufficient energy to overcome the activation energy required for reaction to proceed
  8. For reactions involving production of a gas, the rate of the reaction can be monitored by measuring the ___ of gas produced in a fixed duration of time
  9. When the ___ of gaseous reactants is increased, reactant particles are brought closer together
  10. The speed of a reaction can be determined by measuring the amount of ___ formed in a fixed duration of time
  11. In order for a chemical reaction to take place, particles must collide with sufficient energy to overcome the ___ energy for reactants to convert to products
  12. a substance that speeds up a chemical reaction but remains chemically unchanged at the end of the reaction
  13. In a graph of reactant or product against time, the speed of reaction is shown by the ___
Down
  1. The speed of a reaction can be monitored by measuring the time taken for a reaction to ___
  2. ___ temperature results in a smaller proportion of particles with sufficient energy to overcome activation energy
  3. A gradient of zero or a horizontal line indicates that a reaction has ___
  4. For reactions involving production of a gas, the rate of the reaction can be monitored by measuring the loss in ___ of the reactants in the flask for a fixed duration of time
  5. A catalyst does not affect the ____ energy of reactant particles
  6. ___ collisions take place when particles collide with one another with the correct orientation and sufficient energy to overcome activation energy for reactants to convert to products
  7. The speed of reaction is ___ at the start as the concentration of reactants is highest
  8. A ___ gradient indicates a faster reaction
  9. a decrease in ___ results in reactant particles losing kinetic energy and moving slower
  10. The ___ of a chemical reaction remains unchanged when a catalyst is used
  11. The rate of a reaction can be investigated by measuring amount of ___ remaining in a fixed duration of time
  12. A catalyst is ___ in its action
  13. a catalysed reaction proceeds by an alternative pathway which has a ___ activation energy than an uncatalysed reaction
  14. Some ___ metals and their compounds act as catalysts

27 Clues: A catalyst is ___ in its action • The speed of a reaction ___ with time • A ___ gradient indicates a faster reaction • Some ___ metals and their compounds act as catalysts • A catalyst does not affect the ____ energy of reactant particles • When ___ increases, there are more reacting particles per unit volume • ...

Unit 3 Rate of Reaction Quiz 1 2025-10-22

Unit 3 Rate of Reaction Quiz 1 crossword puzzle
Across
  1. number of particles per unit volume; higher means faster reaction
  2. the minimum energy needed for a reaction to start
  3. the change in amount of reactant or product per unit time
  4. a graph showing energy changes during a reaction
  5. a cell where hydrogen and oxygen combine to produce electricity and water
  6. a collision with enough energy and correct orientation to form product
  7. a substance that speeds up a reaction but is not used up
Down
  1. total area exposed; smaller pieces react faster
  2. a reaction that releases heat to the surroundings
  3. loss of electrons during a chemical reaction
  4. decomposition of an ionic compound using electricity
  5. energy needed to break one mole of bonds in gaseous molecules
  6. a fuel such as coal, oil, or gas formed from ancient organisms
  7. a radioactive substance that releases large energy through nuclear reactions
  8. gain of electrons during a chemical reaction
  9. a device that converts chemical energy into electrical energy using two metals and an electrolyte
  10. a reaction that absorbs heat from the surroundings

17 Clues: loss of electrons during a chemical reaction • gain of electrons during a chemical reaction • total area exposed; smaller pieces react faster • a graph showing energy changes during a reaction • a reaction that releases heat to the surroundings • the minimum energy needed for a reaction to start • a reaction that absorbs heat from the surroundings • ...

Stoichiometry 2024-04-01

Stoichiometry crossword puzzle
Across
  1. A unit to measure the amount of a substance. One mole of a substance contains Avogadro's number of particles.
  2. equation A representation of a chemical reaction, showing the reactants on the left side and the products on the right side, with an arrow indicating the direction of the reaction.
  3. The calculations of products and reactants in a chemical reaction
  4. Numbers placed in front of chemical formulas in a balanced equation to tell the relative number of moles of each substance involved in the reaction.
  5. equation An equation representing a chemical reaction where the number of atoms of each element is the same on both sides of the equation.
Down
  1. The substances that are formed as a result of a chemical reaction between reactants.
  2. reactant The reactant that is consumed in a chemical reaction, limiting the amount of product formed.
  3. ratio The ratio of the number of moles of one substance to the number of moles of another substance in a balanced equation.
  4. A number written to the right and below an element's symbol in a chemical formula, indicating the number of atoms of that element in a molecule.
  5. mass The mass of one mole of a substance, in grams per mole (g/mol).
  6. reaction A process in which one or more substances are converted into different substances through the ordering of atoms.
  7. ratio The ratio of the masses of one substance to the masses of another substance in the chemical reaction.
  8. The substances that go through a chemical reaction to form products.
  9. reactant The reactant that is not completely consumed in a chemical reaction because there is more of it than required to react with the limiting reactant.
  10. number The number of particles (atoms, molecules, ions, etc.) in one mole of a substance. 6.022×10^23

15 Clues: The calculations of products and reactants in a chemical reaction • The substances that go through a chemical reaction to form products. • mass The mass of one mole of a substance, in grams per mole (g/mol). • The substances that are formed as a result of a chemical reaction between reactants. • ...

Chemistry Ch. 7 & 8 Vocab 2024-02-23

Chemistry Ch. 7 & 8 Vocab crossword puzzle
Across
  1. another name for network solid
  2. an insoluble solid that forms in a precipitation reaction when two or more aqueous solutionsare mixed
  3. the process by which either the molecules of a covalent compound or the cations and anions bound in the lattice of an ionic compound break up into individual cations and anions
  4. a reaction in which two reactants AB and CD react to form products AD and BC
  5. a substance that increases the concentration of OH- ions in an aqueous solution
  6. the temperature at which a pure substance changes from a liquid to a gas at standard atmospheric pressure. Because condensation is the reverse of evaporation, the boiling point is numerically equal to the condensation point
  7. bonds between metal atoms that are the result of electrons being shared by all atoms
  8. the work of planning, performing, and perfecting the preparation of a chemical compound
  9. a substance produced in the course of a chemical reaction by the transformation of one or more reactants
  10. the relatively weak intermolecular attractive forces exerted by molecules on each other, caused by brief, constantly shifting electron imbalances in the molecles that cause them to act as momentary dipoles
  11. a starting material for a chemical reaction; a substance that enters into the reaction and is tranformed into one or more product substances
  12. a substance that increases the concentration of H+ ions in an aqueous solution
  13. a reaction in which one element replaces another element in a compound
  14. the reaction of any substance with oxygen (O2)
  15. any solid that doesn't consist of discrete molecules
  16. a change from the liquid phase to the gas phase
  17. the reaction between an H3O+ ion supplied by an acid and an OH- ion supplied by a base. A hydronium ion and a hydroxide ion react with each other to give two molecules of water
  18. an equation that shows the reactants and products of the reaction, but not the spectator ions
Down
  1. a chemical reaction in which all reactants are gases
  2. a reaction in which an insoluble solid (the precipitate) forms when two or more aqueous solutions are mixed
  3. another name for London force
  4. a reaction in which two or more substances combine to give another substance
  5. either the liquid or the solid phase of matter
  6. the temperature at which a substance changes from a liquid to solid at standard atmospheric pressure. Because melting is the reverse of freezing, the freezing point is numerically equal to the melting point
  7. an equation that shows all the ions, bth those that take part in the reaction and the spectator ions
  8. an ion present in the vessel in which a chemical reaction takes place that does not take part in the reaction
  9. a nonmolecular solid made up of atoms held together by covalent bonds
  10. a notation for showing what takes place in a chemical reaction. Th chemical formulas of all reactants are written on the left side of the arrow, and thee chemical formulas of the products are written on the right side
  11. a reaction in which a compound breaks down(decompose) into two or more simpler compounds or substances
  12. a process in which two or more reactants are transformed into one or more products through the breaking of chemical bonds in the reactant mmolecules and the formation of new cemical bonds in the product molecules
  13. an intermolecular dipole-dipole attraction between a δ+ H atom covalently bonded to either an O, N, or F atom in one molecule and an O, N, or F atom in another molecule
  14. a change from the gas phase to the liquid phase

32 Clues: another name for London force • another name for network solid • either the liquid or the solid phase of matter • the reaction of any substance with oxygen (O2) • a change from the gas phase to the liquid phase • a change from the liquid phase to the gas phase • a chemical reaction in which all reactants are gases • any solid that doesn't consist of discrete molecules • ...

Chemistry Test 4 Vocab 2024-10-10

Chemistry Test 4 Vocab crossword puzzle
Across
  1. another name for network solid
  2. an insoluble solid that forms in a precipitation reaction when two or more aqueous solutionsare mixed
  3. the process by which either the molecules of a covalent compound or the cations and anions bound in the lattice of an ionic compound break up into individual cations and anions
  4. a reaction in which two reactants AB and CD react to form products AD and BC
  5. a substance that increases the concentration of OH- ions in an aqueous solution
  6. the temperature at which a pure substance changes from a liquid to a gas at standard atmospheric pressure. Because condensation is the reverse of evaporation, the boiling point is numerically equal to the condensation point
  7. bonds between metal atoms that are the result of electrons being shared by all atoms
  8. the work of planning, performing, and perfecting the preparation of a chemical compound
  9. a substance produced in the course of a chemical reaction by the transformation of one or more reactants
  10. the relatively weak intermolecular attractive forces exerted by molecules on each other, caused by brief, constantly shifting electron imbalances in the molecles that cause them to act as momentary dipoles
  11. a starting material for a chemical reaction; a substance that enters into the reaction and is tranformed into one or more product substances
  12. a substance that increases the concentration of H+ ions in an aqueous solution
  13. a reaction in which one element replaces another element in a compound
  14. the reaction of any substance with oxygen (O2)
  15. any solid that doesn't consist of discrete molecules
  16. a change from the liquid phase to the gas phase
  17. the reaction between an H3O+ ion supplied by an acid and an OH- ion supplied by a base. A hydronium ion and a hydroxide ion react with each other to give two molecules of water
  18. an equation that shows the reactants and products of the reaction, but not the spectator ions
Down
  1. a chemical reaction in which all reactants are gases
  2. a reaction in which an insoluble solid (the precipitate) forms when two or more aqueous solutions are mixed
  3. another name for London force
  4. a reaction in which two or more substances combine to give another substance
  5. either the liquid or the solid phase of matter
  6. the temperature at which a substance changes from a liquid to solid at standard atmospheric pressure. Because melting is the reverse of freezing, the freezing point is numerically equal to the melting point
  7. an equation that shows all the ions, bth those that take part in the reaction and the spectator ions
  8. an ion present in the vessel in which a chemical reaction takes place that does not take part in the reaction
  9. a nonmolecular solid made up of atoms held together by covalent bonds
  10. a notation for showing what takes place in a chemical reaction. Th chemical formulas of all reactants are written on the left side of the arrow, and thee chemical formulas of the products are written on the right side
  11. a reaction in which a compound breaks down(decompose) into two or more simpler compounds or substances
  12. a process in which two or more reactants are transformed into one or more products through the breaking of chemical bonds in the reactant mmolecules and the formation of new cemical bonds in the product molecules
  13. an intermolecular dipole-dipole attraction between a δ+ H atom covalently bonded to either an O, N, or F atom in one molecule and an O, N, or F atom in another molecule
  14. a change from the gas phase to the liquid phase

32 Clues: another name for London force • another name for network solid • either the liquid or the solid phase of matter • the reaction of any substance with oxygen (O2) • a change from the gas phase to the liquid phase • a change from the liquid phase to the gas phase • a chemical reaction in which all reactants are gases • any solid that doesn't consist of discrete molecules • ...

Overhead Equilibrium 2023-05-18

Overhead Equilibrium crossword puzzle
Across
  1. Principle predicting equilibrium shifts
  2. Compound separation into ions
  3. Molecule with multiple atoms
  4. Atom/molecule rearrangement
  5. Homogeneous mixture
  6. Water-based solution
  7. Charged particle in solution
  8. Matter portion under consideration
Down
  1. Reaction direction towards products
  2. Substance amount in a volume
  3. Reaction direction towards reactants
  4. Visual property in chemical changes
  5. Relating to substance transformations
  6. Disruptive factor in equilibrium
  7. Balanced chemical state

15 Clues: Homogeneous mixture • Water-based solution • Balanced chemical state • Atom/molecule rearrangement • Substance amount in a volume • Molecule with multiple atoms • Charged particle in solution • Compound separation into ions • Disruptive factor in equilibrium • Matter portion under consideration • Reaction direction towards products • Visual property in chemical changes • ...

Josh Adkins Chapter 13 Crossword 2016-10-12

Josh Adkins Chapter 13 Crossword crossword puzzle
Across
  1. (of a reaction or process) accompanied by the release of heat.
  2. The new material that is formed in a chemical reaction.
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. rapid chemical combination of a substance with oxygen, involving the production of heat and light.
  5. having the properties of a base, or containing a base; having a pH greater than 7
  6. the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
  7. The process by which a reactant gains one or more electrons.
Down
  1. A measure of the acidity of a solution.
  2. A polyatomic ion made by removing a proton.
  3. (of a reaction or process) accompanied by or requiring the absorption of heat.
  4. Description of a solution in which the hydroxide ion concentrate is equal to the hydroxide ion.
  5. The reacting substances in a chemical reaction.
  6. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
  7. An ionic compound commonly formed from the reaction between an acid and a base.
  8. A substance that accepts hydrogen ions.

15 Clues: A measure of the acidity of a solution. • A substance that accepts hydrogen ions. • A polyatomic ion made by removing a proton. • The reacting substances in a chemical reaction. • The new material that is formed in a chemical reaction. • The process by which a reactant gains one or more electrons. • (of a reaction or process) accompanied by the release of heat. • ...

Unit 7 Chemical Reactions VOCAB PUZZLE 2023-04-19

Unit 7 Chemical Reactions VOCAB PUZZLE crossword puzzle
Across
  1. uses symbols and formulas to show the reactants and products in a chemical reaction
  2. reaction where 2 or more simple substances combine to form 1 compound
  3. energy is released
  4. reaction where cations and anions switch partners to form 2 new compounds
  5. large number in front of a substance(s)to balance an equation
  6. starting material in a chemical equation
  7. mass is not created or destroyed, it is conserved
Down
  1. energy required to start a chemical reaction
  2. reaction where 1 compound breaks down into 2 or more simpler substances
  3. reaction where a substance reacts with oxygen and releases a large amount of energy
  4. energy is absorbed
  5. reaction where 1 element replaces a similar element in a compound
  6. ending material in a chemical equation
  7. list of elements ordered by their reactivity

14 Clues: energy is absorbed • energy is released • ending material in a chemical equation • starting material in a chemical equation • energy required to start a chemical reaction • list of elements ordered by their reactivity • mass is not created or destroyed, it is conserved • large number in front of a substance(s)to balance an equation • ...

Gionna Braddock- ch13 2016-10-12

Gionna Braddock- ch13 crossword puzzle
Across
  1. the new materials formed in a chemical reaction
  2. a rapid exothermic oxidation- reduction reaction between a material and molecular oxygen
  3. a substance that accepts hydrogen ions
  4. a measure of the acidity of a solution, equal to the negative logarithm of the hydronium ion concentration
  5. the minium amount of energy required in order for a chemical reaction to proceed.
  6. description of a chemical reaction in which there is a net absorption of energy
  7. description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration
Down
  1. the process by which a reactant loses one or more electrons
  2. an ionic compound commonly formed from the reaction between acid and a base
  3. description of a chemical reaction in which there is a net release of energy
  4. a measure of how quickly the concentration of products in a chemical reaction increases when the concentration of reactants decreases
  5. the process by which a reactant gains one or more electrons
  6. the amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when two atoms are brought together into a bond
  7. the reacting substances in a chemical reaction
  8. a substance that donates hydrogen ions.

15 Clues: a substance that accepts hydrogen ions • a substance that donates hydrogen ions. • the reacting substances in a chemical reaction • the new materials formed in a chemical reaction • the process by which a reactant loses one or more electrons • the process by which a reactant gains one or more electrons • ...

Stoichiometry 2022-02-15

Stoichiometry crossword puzzle
Across
  1. the ratio of the actual to theoretical yield expressed as a percent.
  2. the yield calculated as a stoichiometric computation based on the information from the chemical equation
  3. the ratio between moles as depicted in a balanced chemical reaction
  4. a balanced chemical equation can also be used to calculate ___ ratios between gaseous reactants and products as long as they are at STP
  5. the reagent that is not used up in a chemical reaction
  6. the yield that forms as a result of the actual chemical reaction
  7. a number placed in front of chemical symbols and formulas to balance the equation
  8. a balanced chemical equation has equal _____ between the reactants and products
Down
  1. the reagent present in insufficient quantity in a chemical reaction and will limit the amount of product formed.
  2. an interpretation of a balanced chemical equation can include number of ____________ of reactants and products
  3. an interpretation of a balanced chemical equation can include ______________ such as nitrogen, hydrogen and oxygen
  4. A chemical reaction in which the mass of the products equals the mass of the reactants.
  5. the calculation of quantities in chemical reactions
  6. an interpretation of a balanced chemical equation can include ____________ such as nitrogen, aluminum and calcium

14 Clues: the calculation of quantities in chemical reactions • the reagent that is not used up in a chemical reaction • the yield that forms as a result of the actual chemical reaction • the ratio between moles as depicted in a balanced chemical reaction • the ratio of the actual to theoretical yield expressed as a percent. • ...

States of matter crossword puzzle (final project) 2024-05-13

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

32 Clues: Water • Same throughout • A mixture of substances • Not the same throughout • 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 • ...

Chemistry 2024-11-26

Chemistry crossword puzzle
Across
  1. a substance that releases hydroxide ions (OH⁻) in solution.
  2. a scale that measures the acidity or alkalinity of a solution.
  3. a positively charged subatomic particle found in the nucleus of an atom.
  4. Reaction, a reaction that absorbs energy, usually in the form of heat.
  5. the substance(s) formed as a result of a chemical reaction.
  6. Number, the total number of protons and neutrons in the nucleus of an atom.
  7. Reaction, a process in which substances change to form new substances with different properties.
  8. Reaction, a reaction that releases energy, usually in the form of heat.
  9. of Mass, a principle stating that mass is neither created nor destroyed in a chemical reaction.
  10. a subatomic particle with no charge, found in the nucleus of an atom.
  11. a substance formed when two or more different types of atoms chemically bond together.
  12. an element with properties of both metals and non-metals.
  13. a substance that releases hydrogen ions (H⁺) in solution.
  14. an element that lacks metallic properties and is often a poor conductor.
  15. a combination of two or more substances that are not chemically bonded.
Down
  1. a substance that undergoes change in a chemical reaction.
  2. the smallest unit of matter, consisting of protons, neutrons, and electrons.
  3. two or more atoms bonded together, which can be the same or different types of atoms.
  4. an insoluble solid formed from a reaction between two solutions.
  5. Number, the number of protons in the nucleus of an atom, defining the element.
  6. Bond, a chemical bond formed when atoms share electrons.
  7. a negatively charged subatomic particle found orbiting the nucleus of an atom.
  8. atoms of the same element with different numbers of neutrons.
  9. Change, a change in a substance's form or state without altering its chemical composition.
  10. Table, a chart that organizes all known elements by their properties and atomic numbers.
  11. Bond, a chemical bond formed through the transfer of electrons from one atom to another.
  12. an element that is typically shiny, malleable, and a good conductor of heat and electricity.
  13. Change, a change that results in the formation of one or more new substances.
  14. an atom or molecule that has gained or lost electrons, giving it a positive or negative charge.
  15. a pure substance made up of only one type of atom.

30 Clues: a pure substance made up of only one type of atom. • Bond, a chemical bond formed when atoms share electrons. • a substance that undergoes change in a chemical reaction. • an element with properties of both metals and non-metals. • a substance that releases hydrogen ions (H⁺) in solution. • a substance that releases hydroxide ions (OH⁻) in solution. • ...

Biomolecules Vocab 2024-05-09

Biomolecules Vocab crossword puzzle
Across
  1. A sugar made from ribose derived by replacing a hydroxyl group with hydrogen
  2. A adenine, guane, cytosine, and thymine molecule
  3. A certain type of sugar molecule
  4. The minimum amount of energy needed in the reacting organism must have in order to undergo a reaction
  5. An essential biomolecule that makes the building blocks for all cells and viruses
  6. It is a chemical compound structure that is used in every living organism
  7. The material or surface in which an organism lives or grows from
Down
  1. A chemical breakdown of a compound caused by a reaction with water
  2. The compound or substance that is made after a chemical reaction or process
  3. A place on an enzyme that binds a protein or substances to another during a reaction
  4. A type of fatty monomer that is inside organisma and that we eat
  5. Proteins that help chemical reactions in our bodies
  6. A biomolecule that is built of amino acids
  7. A mostly an organic compound that can react with other molecules to form very large molecules or polymers
  8. A substance that consists of a very large molecule known as a macromolecules. Its made from many repeating subunits
  9. A certain type of substance that increases the rate of chemical reactions without experiencing any chemical change its self
  10. Proteins that people need to live and to use for enzeims
  11. A substance that changes during a chemical reaction
  12. A nonmetallic element
  13. A type of biomolecule that is made from a fatty organic compound. Its monomers include natural oils waxes and steroids

20 Clues: A nonmetallic element • A certain type of sugar molecule • A biomolecule that is built of amino acids • A adenine, guane, cytosine, and thymine molecule • Proteins that help chemical reactions in our bodies • A substance that changes during a chemical reaction • Proteins that people need to live and to use for enzeims • ...

Unit 1 - Chapter 2 2020-12-09

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

20 Clues: carbon bound to three other atoms • relations between water and hydrophobes • chemical process of monomers joining to form polymers • chemical breakdown of a compound due to reaction with water • does not contain carbon and is not produced by a living organism • chemical bond that involves the sharing of electron pairs between atoms • ...

Chemistry Bonus Cross Word Roman 2024-05-10

Chemistry Bonus Cross Word Roman crossword puzzle
Across
  1. The mass of an atom, which is primarily determined by the number of protons and neutrons in its nucleus
  2. Atoms of the same element that have different numbers of neutrons and therefore different atomic masses
  3. A group of atoms bonded together
  4. The temperature at which a substance changes from a liquid to a gas at a given pressure
  5. A process in which one or more substances are transformed into one or more different substances
  6. An atoms or molecule with a net electric charge
  7. A substance that accepts protons or releases hydroxide ions in chemical reactions
  8. The force of attraction that holds atoms together in a molecule
  9. A chemical reaction in which a substance gains electrons, often accompanied by a decrease in oxidation state
  10. A substance composed of two or more different elements chemically bonded together
Down
  1. Basic Unit of an element
  2. A substance that speeds up a chemical reaction without itself being consumed in the process
  3. A substance consisting of atoms
  4. A substance that takes part in a chemical reaction, undergoing change to form a new substance
  5. An electron in the outermost shell of an atom, which determines the atom's chemical properties
  6. The mass per unit volume of a substance; typically expressed in grams per cubic centimeter
  7. A substance formed as a result of a chemical reaction
  8. A substance that donates hydrogen ions and accepts electrons in chemical reactions
  9. A scale used to measure the acidity or alkalinity of solution; uses a scale of 14, 7 is neutral, below 7 is acidic, and above 7 is basic
  10. A chemical reaction in which a substance loses electrons, often accompanied by an increase in oxidation state.

20 Clues: Basic Unit of an element • A substance consisting of atoms • A group of atoms bonded together • An atoms or molecule with a net electric charge • A substance formed as a result of a chemical reaction • The force of attraction that holds atoms together in a molecule • A substance that accepts protons or releases hydroxide ions in chemical reactions • ...

Chemistry crossword 2014-11-04

Chemistry crossword crossword puzzle
Across
  1. The material at the start of a reaction.
  2. Is a chemical reaction that occurs when oxygen reacts with a new substance to form a new substance
  3. Positively charged particle in the nucleus of an atom
  4. invisible negatively charged particle that orbits the nucleus of an atom
  5. an atomic number of 80 and a atomic mass of 200.6
  6. compound: When non-metals combine
  7. table: A table in which the elements are organized by their physical and chemical properties
  8. substances that help a reaction proceed faster.
  9. atomic number of 20 and atomic mass of 40.1
  10. atomic number of 7 and atomic mass of 14
  11. atomic number of 26 and atomic mass of 55.8
  12. anything that has mass and occupies space
  13. number of 11 and mass of 23
  14. number of 2 and mass of 14
Down
  1. another system of easy-to-see warning symbols on hazardous materials
  2. chemical reaction that releases energy
  3. number of 29 and mass of 63.5
  4. formula: identifies witch elements and how much of each, are in the compound
  5. number of 1 and mass of 1
  6. The new material produced by the reaction.
  7. atomic number of 92 and atomic mass of 238
  8. atomic number of 28 and atomic mass of 58.7
  9. catalyst involved in chemical reaction in living things
  10. atomic number of 8 and atomic mass of 16
  11. compound: Pure substance formed when at least one metal and one-non metal combine

25 Clues: number of 1 and mass of 1 • number of 2 and mass of 14 • number of 11 and mass of 23 • number of 29 and mass of 63.5 • compound: When non-metals combine • chemical reaction that releases energy • The material at the start of a reaction. • atomic number of 7 and atomic mass of 14 • atomic number of 8 and atomic mass of 16 • anything that has mass and occupies space • ...

Unit 2 Vocab 2025-09-29

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

30 Clues: biological catalysts • the basic unit of matter • reactant of an enzyme-catalyzed reaction • a reaction that absorbs energy (absorbs heat) • energy that is needed to get a reaction started • action tendency of water to rise in a thin tube • particle found in the nucleus that has no charge • a reaction that releases energy (gives off heat) • ...

SCIENCE 101 2018-02-15

SCIENCE 101 crossword puzzle
Across
  1. the dot diagram
  2. substance observed to see change
  3. Compound substance made of more than one kind of element
  4. can be turned into wire
  5. the sharing of electron pairs between atoms
  6. kind of like a chemical reaction, but releases energy
  7. theory of atomic structure
  8. existing/taking place of molecules
  9. an action performed
  10. negative charged , used on the outside shell from the nucleus
  11. negative charged ion
Down
  1. formula used for chemical reaction
  2. property of a solid, liquid, or gas
  3. periodic table is made of many of them
  4. positive charged ion
  5. existing/ taking place within a molecule
  6. attraction between two charged ions
  7. visual appearance happens with this reaction
  8. substance formed by energy
  9. can be hammered or pressed into thin layers
  10. vertical family from periodic table
  11. a molecule that can gain or lose electrons

22 Clues: the dot diagram • an action performed • positive charged ion • negative charged ion • can be turned into wire • theory of atomic structure • substance formed by energy • substance observed to see change • formula used for chemical reaction • existing/taking place of molecules • property of a solid, liquid, or gas • attraction between two charged ions • ...

SCIENCE 101 2018-02-15

SCIENCE 101 crossword puzzle
Across
  1. can be turned into wire
  2. the sharing of electron pairs between atoms
  3. periodic table is made of many of them
  4. kind of like a chemical reaction, but releases energy
  5. property of a solid, liquid, or gas
  6. attraction between two charged ions
  7. existing/ taking place within a molecule
  8. a molecule that can gain or lose electrons
  9. formula used for chemical reaction
  10. theory of atomic structure
  11. can be hammered or pressed into thin layers
  12. substance observed to see change
  13. positive charged ion
Down
  1. the dot diagram
  2. negative charged , used on the outside shell from the nucleus
  3. Compound substance made of more than one kind of element
  4. visual appearance happens with this reaction
  5. vertical family from periodic table
  6. existing/taking place of molecules
  7. negative charged ion
  8. an action performed
  9. substance formed by energy

22 Clues: the dot diagram • an action performed • negative charged ion • positive charged ion • can be turned into wire • substance formed by energy • theory of atomic structure • substance observed to see change • existing/taking place of molecules • formula used for chemical reaction • vertical family from periodic table • property of a solid, liquid, or gas • ...

Unit 1 - Chapter 2 2020-12-09

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

20 Clues: carbon bound to three other atoms • relations between water and hydrophobes • chemical process of monomers joining to form polymers • chemical breakdown of a compound due to reaction with water • not contain carbon and is not produced by a living organism • of covalent bond that joins a carbohydrate molecule to another group • ...

chemistry crossword 2015-11-17

chemistry crossword crossword puzzle
Across
  1. A system of easy-to-use warning symbols on hazardous materials
  2. Vertical column of elements in the periodic table
  3. They are used to describe matter, like colour or conductivity
  4. States that mass cannot be created or destroyed
  5. Occurs when two or more materials react and create new materials
  6. Chemical reaction that absorbs energy
  7. Slow chemical change that occurs when oxygen in the air reacts with a metal
  8. Number of protons in the nucleus of one atom of an element
  9. Chemical reaction that releases energy
  10. A table in which elements are organized by their physical and chemical properties
  11. Pure substance formed when at least one metal and one non-metal combine
  12. A positively charged particle
  13. Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy
  14. Matter which has a specific composition and specific properties / every pure element
Down
  1. an atom with a neutral charge is one where the number of electrons is equal to the atomic number
  2. The most reactive non-metals
  3. Occurs when a material changes from one state o another
  4. New substance produced in a chemical reaction between reactants
  5. Elements that have both metallic and non-metallic properties
  6. Pure substance formed when non-metals combine
  7. Anything that has mass and takes up space
  8. Horizontal row of elements in the periodic table
  9. Pure substance that cannot be broken down into other substances
  10. Mass of one atom of an element
  11. Substance that reacts with another substance in a chemical reaction to create new substances with different propeties

25 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...

Unit B Chemistry crossword 2018-11-11

Unit B Chemistry crossword crossword puzzle
Across
  1. pure substance formed when at least one metal and one non-metal combine
  2. description of a substance that can be rolled into sheets
  3. amount of protons in the nucleus of one atom
  4. pure substance which cannot be broken down into other substances
  5. chemical combination of two or more elements
  6. atom that is electrically charged because it has lost or gained electrons
  7. substance that reacts with another substance in a chemical reaction to create a new substance
  8. description of a solid that can be stretched into a wire
  9. combination of symbols that represent a compound, identifies elements
  10. change in appearance or state of a substance
  11. chemical reaction when oxygen reacts with a substance forming a new substance
  12. when a liquid and another liquid form a solid
Down
  1. pure substance formed when non-metals combine
  2. element that has both metallic and non-metallic properties
  3. average mass of an element, mass of one proton or electron
  4. substance made of only one kind of matter
  5. smallest part of an element which contains protons, neutrons and electrons
  6. when two or more substances react to create a new substance
  7. chemical reaction that releases energy
  8. chemical reaction that absorbs energy
  9. new substance produced in a chemical reaction between reactants
  10. vertical column of elements in the periodic table with similar chemical properties
  11. layer in which an electron orbits around the nucleus of an atom
  12. anything that has a mass and occupies space
  13. horizontal row of elements on the periodic table

25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • substance made of only one kind of matter • anything that has a mass and occupies space • amount of protons in the nucleus of one atom • chemical combination of two or more elements • change in appearance or state of a substance • pure substance formed when non-metals combine • ...

Ch. 6.2/6.2 - Vocab Review 2022-02-28

Ch. 6.2/6.2 - Vocab Review crossword puzzle
Across
  1. molecules composed of many monomers, makes up macromolecules
  2. acid compound with an amino group on one end and a carboxyl group on the other end
  3. elements or compounds that enter into a chemical reaction;
  4. energy-requiring process by which atoms or groups of atoms in substances are changed into one or more different substances.
  5. minimum amount of energy that is needed to get a reaction started; or needed for reactant to form in a chemical reaction.
  6. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group and a nitrogenous (nitrogen) base
  7. acid macromolecules containing hydrogen, oxygen, nitrogen, carbon and phosphorous.
  8. macromolecule that contains carbon, hydrogen, oxygen and nitrogen; needed by the body for growth and repair
  9. reactant of an enzyme-catalyzed reaction; or reactant to which an enzyme binds
Down
  1. small chemical unit that makes up a polymer
  2. simple sugar molecule
  3. a substance that speeds up the rate of a chemical reaction by reducing the activation energy but not itself consumed in the reaction
  4. weak attraction between a hydrogen atom and another atom
  5. protein catalyst that speeds up the rate of specific biological reactions; a biological catalyst
  6. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body.
  7. elements or compounds formed produced by a chemical reaction (i.e. chemical combination of elements)
  8. (of an enzyme) a specific place where a substrate binds on an enzyme
  9. macromolecule made mostly from carbon and hydrogen atoms; includes fats' oils' and waxes

18 Clues: simple sugar molecule • small chemical unit that makes up a polymer • weak attraction between a hydrogen atom and another atom • elements or compounds that enter into a chemical reaction; • molecules composed of many monomers, makes up macromolecules • (of an enzyme) a specific place where a substrate binds on an enzyme • ...

B4 Bioenergetics 2023-06-15

B4 Bioenergetics crossword puzzle
Across
  1. dioxide Gas needed for photosynthesis
  2. Biochemical reaction occurring in mitochondria
  3. Sweet substance producing during photosynthesis
  4. Organelle where photosynthesis takes place
  5. Acid Product of anaerobic respiration in animals
  6. Mechanism of getting air into and out of the lungs
  7. Liquid needed for photosynthesis
  8. Anaerobic respiration in yeast
  9. _______ Respiration Respiration that does not require oxygen
  10. Chemical produced as a result of a reaction
  11. Organelle where aerobic respiration takes place
  12. Chemical needed for the reaction to happen
  13. Buildings where growing conditions can be carefully controlled
  14. Product of anaerobic respiration in yeast
  15. Energy source for photosynthesis
Down
  1. Photosynthesis takes in energy from the surroundings so is an ______ reaction
  2. Aerobic respiration gives out energy so is an ______ reaction
  3. Storage molecule found in plants
  4. Biochemical Reaction occurring in plant cells
  5. Molecule found in cell walls
  6. _______ Respiration Respiration that requires oxygen
  7. Site of anaerobic respiration
  8. _______ Factor Substance that slows the rate of a reaction
  9. Sum of all biochemical reactions in an organism
  10. Green chemical needed for photosynthesis
  11. _______ Square Law Describes the relationship between light intensity and distance
  12. Gas needed for aerobic respiration
  13. Oxygen ____ Describes a situation where there is not enough oxygen

28 Clues: Molecule found in cell walls • Site of anaerobic respiration • Anaerobic respiration in yeast • Storage molecule found in plants • Liquid needed for photosynthesis • Energy source for photosynthesis • Gas needed for aerobic respiration • dioxide Gas needed for photosynthesis • Green chemical needed for photosynthesis • Product of anaerobic respiration in yeast • ...

REACTANTS AND REACTIONS 2015-05-13

REACTANTS AND REACTIONS crossword puzzle
Across
  1. What is produced after a chemical reaction
  2. Substances used for a chemical reaction, for eg: Oxygen and Hydrogen
  3. In what physical state do particles move freely around
  4. A process of a substance spreading in gas and water, temp can affect speed
  5. Survives with oxygen, heat and a fuel if some sort
  6. 2 atoms chemically fused together
  7. Name of test for this gas is called the "squeaky pop"
  8. Most salts are not acidic but _________
  9. Can not be broken down any further, makes up the periodic table
Down
  1. Which type of energy can be released during a chemical reaction
  2. A product of oxygen and iron
  3. A waste product of oxygen
  4. What is produced during a chemical reaction that can be seen through bubbles
  5. Used for respiration
  6. Used to make alkali salts
  7. A group of atoms joined together, they can contain diffrent or same atoms
  8. What is hydrogen + oxygen
  9. What a compound will end in if 2 elements are used, for eg: iron oxide
  10. which one of these is a element, Na or CO
  11. A process involving reactants

20 Clues: Used for respiration • A waste product of oxygen • Used to make alkali salts • What is hydrogen + oxygen • A product of oxygen and iron • A process involving reactants • 2 atoms chemically fused together • Most salts are not acidic but _________ • which one of these is a element, Na or CO • What is produced after a chemical reaction • ...

Types of Chemical Reactions & Stoichiometry 2025-03-25

Types of Chemical Reactions & Stoichiometry crossword puzzle
Across
  1. Mole ratios are obtained from the ________ Chemical Equation
  2. In the reaction N₂ + 3 H₂ → 2 NH₃, how many grams of NH₃ will be produced from 14.0 g of N₂? (Use molar mass: N₂ = 28.0 g/mol, NH₃ = 17.0 g/mol)
  3. A __________ reaction occurs when reactants form products in a definite proportion.
  4. The study of the quantitative relationships in chemical reactions is called __________.
  5. A reaction in which two compounds exchange ions to form two new compounds is called a __________ reaction.
  6. to Two What is the mole ratio of Iron to Iron Oxide and the following reaction: 4 Fe + 3 O₂ → 2 Fe₂O₃
  7. The unit for atomic and molecular masses is the __________.
  8. A reaction where one compound breaks down into two or more products is a __________ reaction.
  9. How many grams of NH₃ are produced from 42 g of N₂ in the reaction: N₂ + 3 H₂ → 2 NH₃?
  10. To convert between grams and moles, you use the ___________ of a substance.
  11. A precipitate is a __________ that forms in a double replacement reaction.
  12. How many grams of K₂O are produced from 78 g of K in the reaction:4 K + O₂ → 2 K₂O?
Down
  1. A balanced chemical equation follows the Law of __________ of Mass.
  2. The element that is always present in combustion reactions is _______
  3. The burning of propane in oxygen is an example of a __________ reaction.
  4. The number in front of a compound in a balanced equation is the __________.
  5. A reaction where an element replaces another element in a compound is called a __________ reaction.
  6. The sum of atomic masses in a compound gives its __________ mass.
  7. In the equation C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O, how many moles of CO₂ are produced when 4 moles of C₃H₈ react?
  8. In a combustion reaction, the two main products are __________ and water.
  9. A reaction where a hydrocarbon reacts with oxygen to produce carbon dioxide and water is called __________.
  10. In the reaction 4 Al + 3 O₂ → 2 Al₂O₃, how many grams of Al are needed to produce 102 g of Al₂O₃? (Molar mass: Al = 27.0 g/mol, Al₂O₃ = 102.0 g/mol)
  11. According to the reaction: 2 H₂ + O₂ → 2 H₂O, if you have 3 moles of hydrogen gas, you will produce ___________ moles of water.
  12. A reaction where two or more substances combine to form a single product is called a __________ reaction.

24 Clues: The unit for atomic and molecular masses is the __________. • Mole ratios are obtained from the ________ Chemical Equation • The sum of atomic masses in a compound gives its __________ mass. • A balanced chemical equation follows the Law of __________ of Mass. • The element that is always present in combustion reactions is _______ • ...

Physical Science Final key terms 2021-05-21

Physical Science Final key terms crossword puzzle
Across
  1. a charged particle
  2. the starting substances that react (left side of the chemical equation)
  3. _____ reaction is when 1 reactant breaks down into multiple products
  4. ______ reaction is when 1 compound swaps its partner to form 1 new compound
  5. _____ bond is the force that holds atoms together in a compound
  6. ______ chemical equation has the same number of each element on both sides
  7. _______ reaction is when 2 reactants form 1 product
  8. _____ bond where elements transfer electrons
Down
  1. the substances produced in a chemical reaction
  2. ____ reaction is when two compounds swap partners to form two new compounds
  3. ______ bond where elements share electrons
  4. insoluble compound that comes out of solution during a double replacement reaction
  5. the number before a chemical formula telling you how many there are of that element or compound
  6. the negatively charged subatomic particle

14 Clues: a charged particle • the negatively charged subatomic particle • ______ bond where elements share electrons • _____ bond where elements transfer electrons • the substances produced in a chemical reaction • _______ reaction is when 2 reactants form 1 product • _____ bond is the force that holds atoms together in a compound • ...

SI - Enzymes & Energy 2022-10-26

SI - Enzymes & Energy crossword puzzle
Across
  1. ********* reaction; a chemical reaction that releases free energy.
  2. a molecule upon which an enzyme acts.
  3. *********** inhibition; inhibitor competes with substrate for binding to an active site
  4. ******* energy; energy an object possesses due to its motion.
  5. ************** inhibition; an inhibitor binding to an allosteric site resulting in decreased efficacy of the enzyme.
  6. ******* fit; the active site of an enzyme will undergo a conformational change when binding a substrate, to improve the fit.
  7. ********** energy; the energy needed for a reaction to occur.
  8. ********* pathway; a series of chemical reactions occurring within a cell
  9. the ability to do work; capacity to cause change.
Down
  1. biological catalysts that accelerate chemical reactions.
  2. ******** pathway; pathways build complex molecules from simpler ones and typically need an input of energy.
  3. ********inhibition; a cellular control mechanism in which an enzyme's activity is inhibited by the enzyme's end product.
  4. ********* energy; energy held by an object because of its position relative to other objects.
  5. the study of energy transformations
  6. ********** reaction; a chemical reaction that requires free energy to proceed.
  7. ********* pathway; pathways breakdown complex molecules into simpler ones and typically release energy.
  8. ********** regulation; the regulation of an enzyme by binding an effector molecule at a site other than the enzyme's active site.
  9. ****** site; the region of an enzyme where substrate molecules bind and undergo a chemical reaction.

18 Clues: the study of energy transformations • a molecule upon which an enzyme acts. • the ability to do work; capacity to cause change. • biological catalysts that accelerate chemical reactions. • ******* energy; energy an object possesses due to its motion. • ********** energy; the energy needed for a reaction to occur. • ...

Stoichiometry 2024-04-01

Stoichiometry crossword puzzle
Across
  1. 6.022×10^23
  2. Substances consumed in a chemical reaction to form products.
  3. The reactant that is not entirely consumed in a chemical reaction because there is an insufficient amount of the other reactant.
  4. The ratio of the masses of one substance to the masses of another substance involved in a chemical reaction.
  5. The ratio of the number of moles of one substance to the number of moles of another substance in a balanced chemical equation.
  6. The process in which one or more substances (reactants) are converted into one or more different substances (products) with different properties.
  7. A number written to the right and slightly below an element's symbol in a chemical formula, indicating the number of atoms of that element in a molecule.
  8. A chemical equation where the number of atoms of each element is the same on both sides of the equation.
  9. The mass of one mole of a substance, usually expressed in grams per mole (g/mol).
Down
  1. The reactant that is entirely consumed in a chemical reaction, thereby limiting the amount of product formed.
  2. Substances formed as a result of a chemical reaction.
  3. equation A symbolic representation of a chemical reaction, showing the reactants and products and their respective quantities.
  4. A unit representing a specific number of atoms, molecules, ions, or other entities (6.022 × 10^23 entities).
  5. The quantitative study of the relationships between reactants and products in chemical reactions.
  6. The numbers placed before the chemical formulas in a balanced chemical equation, representing the relative amounts of reactants and products.

15 Clues: 6.022×10^23 • Substances formed as a result of a chemical reaction. • Substances consumed in a chemical reaction to form products. • The mass of one mole of a substance, usually expressed in grams per mole (g/mol). • The quantitative study of the relationships between reactants and products in chemical reactions. • ...

Chapter 2 Vocabulary 2022-03-21

Chapter 2 Vocabulary crossword puzzle
Across
  1. a short way to show a chemcal reaction
  2. the reaction of two elements
  3. when matter can enter or leave
  4. a material that increase the rate of a reaction
  5. the result of the combined reaction
  6. a number placed in front of the chemical
  7. a material that increase the rate of burning.
  8. when one element replaces another
  9. a principle that provides an explanation of what happens when reactants combine
  10. a solid that forms from a chemical solution
  11. the minimum amount of energy needed to start a chemical reaction.
  12. the amount a substance is given to fill a certain volume.
Down
  1. a property that can be observed through telescopes but not touched
  2. the study of matter
  3. the substance you test with at the beginning
  4. a property that can be observed and touches
  5. a rapid reaction between 2 elements
  6. when energy is released
  7. when matter is not allowed to enter or leave.
  8. changes that require microscopes
  9. when energy is absorbed
  10. when elements break down
  11. an object used to decrease the rate of reaction
  12. changes that can be observed physically
  13. anything that takes up space

25 Clues: the study of matter • when energy is released • when energy is absorbed • when elements break down • the reaction of two elements • anything that takes up space • when matter can enter or leave • changes that require microscopes • when one element replaces another • a rapid reaction between 2 elements • the result of the combined reaction • a short way to show a chemcal reaction • ...

Unit 9 Chemistry 2024-04-24

Unit 9 Chemistry crossword puzzle
Across
  1. The amount of pressure of individual elements or compounds that make up the pressure of the entire system
  2. When the equilibrium of a system is disturbed, the system will adjust to reestablish equilibrium
  3. How close or far apart the molecules are to each other
  4. The idea that a chemical reaction occurs when two particles collide
  5. A table that shows the initial, change, and equilibrium amounts in a reaction
  6. The resulting chemicals from a reaction
  7. The starting chemicals
  8. The reduction of excess by consuming it
  9. A substance not involved in the reaction that increases the rate of reaction
  10. The expression that shows how the reaction is before reaching equilibrium
  11. The reduction of deficit by making more
  12. When the reaction is balanced and stops producing reactants or pdocuts
Down
  1. The energy at which a reaction begins
  2. A reaction that can go forwards and backwards
  3. A reaction that loses energy over time
  4. The expression that shows what the reaction will look like at equilibrium
  5. The increase in energy from the energy in the reactants to the activation complex
  6. A reaction that completely consumes the reactants
  7. A transformation from one chemical to another
  8. A reaction that gains energy over time

20 Clues: The starting chemicals • The energy at which a reaction begins • A reaction that loses energy over time • A reaction that gains energy over time • The resulting chemicals from a reaction • The reduction of excess by consuming it • The reduction of deficit by making more • A reaction that can go forwards and backwards • A transformation from one chemical to another • ...

Chemical Reaction & Matter (7.1) 2023-11-29

Chemical Reaction & Matter (7.1) crossword puzzle
Across
  1. Amount of matter per volume.
  2. No defined shape or volume.
  3. Ability of a solute to dissolve into a solvent.
  4. At least 2 or more substances together.
  5. Data or observation that supports a claim.
  6. Completely dissolve.
  7. Defined volume, but no shape.
  8. Contains one element or compound.
  9. Solute + Solvent = ________.
  10. Statement that answers a question.
  11. Substance being dissolve.
Down
  1. Characteristic of a substance.
  2. Scientific explanation to support a reasoning.
  3. Cannot dissolve.
  4. Has mass and volume.
  5. Ability to be light on fire.
  6. Defined shape and volume.
  7. Somewhat dissolve.
  8. Substance doing the dissolving.

19 Clues: Cannot dissolve. • Somewhat dissolve. • Has mass and volume. • Completely dissolve. • Defined shape and volume. • Substance being dissolve. • No defined shape or volume. • Amount of matter per volume. • Ability to be light on fire. • Solute + Solvent = ________. • Defined volume, but no shape. • Characteristic of a substance. • Substance doing the dissolving. • ...

changes in matter 2025-04-24

changes in matter crossword puzzle
Across
  1. The amount of space occypied by a substance and or object
  2. Anything that has mass and takes up space.
  3. A process where substances interact and transform into new substance
  4. Substance that speeds up a chemical reaction without being consumed itself
  5. in the formation of molecules
  6. The average kinetic energy of the particles (Atmos or molecules) within a substance
  7. Two or more Atmos connected by chemical bonds which forms from a smallest unit of a substance
  8. One that absords energy typically in the form of heat from its surrounding
  9. change: Transformed that alters the form or appearance of a substance
Down
  1. Change: A process where one or more substance transform into new substance with different properties resulting from a change in chemical structure of original substances
  2. The attraction between molecules of the same substances causing them to stick together
  3. Property: A specific charchateristic of a substance like a element or a compund
  4. Fundament measure that quanties the amount of matter n an object
  5. A Fundament substance that cannot be broken down into simpler substance by ordinary chemical reaction
  6. Substance formed when two or more different elements are chemically combined in a fixed ratio
  7. A physical combination of two or more substances
  8. A lasting attraction between two or more
  9. Substance that participates in a chemical reaction and its converted into one or two bew substances called products
  10. The substances that are formed as a result are a chemical reaction
  11. Thermal Enegry transferred between two or more stystems at different tempeaures
  12. The sum of both the work done and the heat generated or lost
  13. Chemical reaction of process's that releases energy, in the form of heat into its surrounding
  14. property: A substance that can be observed without changing the substance identity

23 Clues: in the formation of molecules • A lasting attraction between two or more • Anything that has mass and takes up space. • A physical combination of two or more substances • The amount of space occypied by a substance and or object • The sum of both the work done and the heat generated or lost • Fundament measure that quanties the amount of matter n an object • ...

States of matter crossword puzzle (final project) 2024-05-13

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

32 Clues: Water • Same throughout • A mixture of substances • Not the same throughout • 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 • ...

KINETICS & HESS'S LAW 2022-02-04

KINETICS & HESS'S LAW crossword puzzle
Across
  1. constant heat summation
  2. is any process with an increase in the enthalpy H of the system.
  3. processes that release energy
  4. the measure of hotness or coldness expressed
  5. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  6. the speed at which a chemical reaction takes place
  7. are used to relate the free energy changes that occur during the progress of chemical processes to the rate and equilibrium constants of the process.
Down
  1. is a molecular entity that is formed from the reactants and reacts further to give the directly observed products of a chemical reaction
  2. a thing which inhibits someone or something.
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  4. he movement of one or more components of a mixture to improve contact
  5. is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions.
  6. the outside part or uppermost layer of something
  7. reaction in which the conversion of reactants to products and the conversion of products
  8. a reaction in which products are produced from reactants and it goes from left to right in a reversible reaction

15 Clues: constant heat summation • processes that release energy • a thing which inhibits someone or something. • the measure of hotness or coldness expressed • the outside part or uppermost layer of something • the speed at which a chemical reaction takes place • is any process with an increase in the enthalpy H of the system. • ...

Were You Paying Attention? 2023-12-11

Were You Paying Attention? crossword puzzle
Across
  1. the positive particles of an element
  2. the level that an element reacts
  3. releases heat
  4. reaction ending with a different substance
  5. the decaying of something
  6. the negative particles of an element
  7. when and element's charge is imbalanced
  8. the parts of a reaction before the product
  9. fire is formed
  10. an element with an uneven number of neutrons
  11. chemical compound with both changing elements
  12. reaction ending with the same substance
  13. the outcome of a reaction
Down
  1. the neutral particles of an element
  2. chemical compound with simpler reactants
  3. the representation of the elements
  4. Au, Ti, & Al
  5. written out problem solving
  6. absorbs heat
  7. O, N, & He
  8. a bond between nonmetals
  9. chemical compound with one changing element
  10. a bond between metals and nonmetals
  11. how compact something is

24 Clues: O, N, & He • Au, Ti, & Al • absorbs heat • releases heat • fire is formed • a bond between nonmetals • how compact something is • the decaying of something • the outcome of a reaction • written out problem solving • the level that an element reacts • the representation of the elements • the neutral particles of an element • a bond between metals and nonmetals • ...

REACTANTS AND REACTIONS 2015-05-13

REACTANTS AND REACTIONS crossword puzzle
Across
  1. What is produced after a chemical reaction
  2. Substances used for a chemical reaction, for eg: Oxygen and Hydrogen
  3. In what physical state do particles move freely around
  4. A process of a substance spreading in gas and water, temp can affect speed
  5. Survives with oxygen, heat and a fuel if some sort
  6. 2 atoms chemically fused together
  7. Name of test for this gas is called the "squeaky pop"
  8. Most salts are not acidic but _________
  9. Can not be broken down any further, makes up the periodic table
Down
  1. Which type of energy can be released during a chemical reaction
  2. A product of oxygen and iron
  3. A waste product of oxygen
  4. What is produced during a chemical reaction that can be seen through bubbles
  5. Used for respiration
  6. Used to make alkali salts
  7. A group of atoms joined together, they can contain diffrent or same atoms
  8. What is hydrogen + oxygen
  9. What a compound will end in if 2 elements are used, for eg: iron oxide
  10. which one of these is a element, Na or CO
  11. A process involving reactants

20 Clues: Used for respiration • A waste product of oxygen • Used to make alkali salts • What is hydrogen + oxygen • A product of oxygen and iron • A process involving reactants • 2 atoms chemically fused together • Most salts are not acidic but _________ • which one of these is a element, Na or CO • What is produced after a chemical reaction • ...

chemistry crossword 2015-11-17

chemistry crossword crossword puzzle
Across
  1. Vertical column of elements in the periodic table
  2. They are used to describe matter, like colour or conductivity
  3. Slow chemical change that occurs when oxygen in the air reacts with a metal
  4. New substance produced in a chemical reaction between reactants
  5. Anything that has mass and takes up space
  6. Matter which has a specific composition and specific properties / every pure element
  7. States that mass cannot be created or destroyed
  8. Horizontal row of elements in the periodic table
  9. Pure substance formed when at least one metal and one non-metal combine
  10. Chemical reaction that releases energy
Down
  1. The most reactive non-metals
  2. Pure substance that cannot be broken down into other substances
  3. Occurs when a material changes from one state o another
  4. A table in which elements are organized by their physical and chemical properties
  5. Pure substance formed when non-metals combine
  6. Elements that have both metallic and non-metallic properties
  7. Number of protons in the nucleus of one atom of an element
  8. A system of easy-to-use warning symbols on hazardous materials
  9. Occurs when two or more materials react and create new materials
  10. Substance that reacts with another substance in a chemical reaction to create new substances with different propeties
  11. Mass of one atom of an element
  12. Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy
  13. an atom with a neutral charge is one where the number of electrons is equal to the atomic number
  14. Chemical reaction that absorbs energy
  15. A positively charged particle

25 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...

Chemistry Crossword 2015-11-23

Chemistry Crossword crossword puzzle
Across
  1. metals Group 1 elements in the periodic table not including hydrogen most reactive
  2. A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  3. Earth metals group 2 elements in the periodic table their reactivity is not as strong as alkali metals
  4. A chemical reaction that absorbs heat
  5. Hydrogens Chemical symbol
  6. a element that has both metallic and nonmetallic properties
  7. Hydrogens symbol
  8. Group 18 elements in the periodic table
  9. Number of protons in the nucleus of one atom of an element
  10. A change in appearance
  11. A reaction where some of the products can be lost
  12. The basic unit of a chemical element
  13. the most reactive of all elements
  14. A combo of elements
Down
  1. A stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
  2. Mass of one element calculated from the total number of protons and neutrons
  3. A chemical reaction that releases heat
  4. Oxygens Chemical symbol
  5. A change when a new substance is made
  6. Water's chemical formula
  7. a substance that helps a chemical reaction to proceed more quickly
  8. A substance that is made up of one kind of matter, which has a unique set of properties
  9. A reaction where all the products will remain and be accounted for
  10. charge equal in magnitude to that of an electron, but of opposite sign.
  11. The positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.

25 Clues: Hydrogens symbol • A combo of elements • A change in appearance • Oxygens Chemical symbol • Water's chemical formula • Hydrogens Chemical symbol • the most reactive of all elements • The basic unit of a chemical element • A chemical reaction that absorbs heat • A change when a new substance is made • A chemical reaction that releases heat • Group 18 elements in the periodic table • ...

Chapter 5 2022-05-03

Chapter 5 crossword puzzle
Across
  1. atoms rearrange to from new substances.
  2. the cells in your body contain thousands of biological catalyst called?
  3. a way to show a chemical reaction using symbols.
  4. the minimum amount of energy needed to start a chemical reaction.
  5. a material used to decrease the rate of chemical reaction is an?
  6. the new substance that is formed from the chemical change.
  7. increases the reaction rate by lowering the activation energy needed.
  8. the mixing of two liquids.
  9. a number placed in front of the chemical formula.
  10. when two or more compounds combine it creates?
Down
  1. when more energy is required to break the bond it creates a?
  2. substances that undergo the chemical change.
  3. this states that matter is not created or destroyed.
  4. when two elements in different compounds trade places.
  5. when the energy released is stronger than the energy required to break the bonds it creates a?
  6. the amount of substance in a given volume.
  7. when compounds break down into simpler products.
  8. any change that alters the form or appearance of a substance but does not change into another substance.

18 Clues: the mixing of two liquids. • atoms rearrange to from new substances. • the amount of substance in a given volume. • substances that undergo the chemical change. • when two or more compounds combine it creates? • a way to show a chemical reaction using symbols. • when compounds break down into simpler products. • a number placed in front of the chemical formula. • ...

chapter 13 Tyler James Peppers 2016 2016-10-11

chapter 13 Tyler James Peppers 2016 crossword puzzle
Across
  1. a substance that donates hydrogen ions
  2. description of a chemical reaction in which there is a net release of energy
  3. energy the minimum energy required in order for a chemical reaction to proceed
  4. description of a substance that can behave as either an acid or a base
  5. a polyatomic ion made by adding a proton
  6. the amount of energy required to pull two bonded atoms
  7. any substance that increases the rate of a chemical reaction
  8. one half of an oxidation-reduction
Down
  1. the deterioration of a metal
  2. a polyatomic ion made by removing a proton
  3. a representation of a chemical reaction in which reactants are written
  4. a rapid exothermic oxidation-reduction reaction between a material and molecular oxygen
  5. description of a chemical reaction
  6. description of a solution in which the hydronium ion concentration is equal
  7. a substance that donates hydrogen ions

15 Clues: the deterioration of a metal • description of a chemical reaction • one half of an oxidation-reduction • a substance that donates hydrogen ions • a substance that donates hydrogen ions • a polyatomic ion made by adding a proton • a polyatomic ion made by removing a proton • the amount of energy required to pull two bonded atoms • ...

Chemical Equations 2020-05-04

Chemical Equations crossword puzzle
Across
  1. A process in which chemical bonds are broken and reformed to create new substances.
  2. The reason why chemical equations must be balanced.
  3. A solid that forms as a result of a chemical reaction.
Down
  1. A group of chemical symbols and numbers that represents a chemical.
  2. Evidence of a chemical reaction in which a gas is produced.
  3. A number placed before a formula to indicate the number of molecules involved in a chemical reaction.
  4. A number placed after a chemical symbol to indicate the number of atoms of each element in a chemical formula.
  5. A chemical that takes part in a chemical reaction.
  6. Evidence of a chemical reaction in which there is an energy change.
  7. The name of the arrow in a chemical equation.
  8. A chemical that results from a chemical reaction.

11 Clues: The name of the arrow in a chemical equation. • A chemical that results from a chemical reaction. • A chemical that takes part in a chemical reaction. • The reason why chemical equations must be balanced. • A solid that forms as a result of a chemical reaction. • Evidence of a chemical reaction in which a gas is produced. • ...

Chemical Reactions and Equations 2024-05-01

Chemical Reactions and Equations crossword puzzle
Across
  1. Type of reaction where a metal displaces another metal from its compound
  2. A reaction in which energy is absorbed
  3. A reaction in which energy is released in the form of heat
  4. Any reaction that produces a precipitate
  5. A solution used for whitewashing
  6. When a metal is attacked by moisture and oxygen
  7. Number placed before chemical formula to balance the equation
Down
  1. Type of reaction where a single compound breaks down into simpler substances
  2. dioxide Emits brown fumes when heated
  3. Process where a substance gains electrons
  4. displacement Type of reaction where two compounds exchange ions
  5. A substance that speeds up a chemical reaction, but is not a part of it
  6. Corrosion of silver
  7. The oxidization of fats and oils
  8. A salt which is blue in colour
  9. Chemical process where one substance combines with oxygen

16 Clues: Corrosion of silver • A salt which is blue in colour • The oxidization of fats and oils • A solution used for whitewashing • dioxide Emits brown fumes when heated • A reaction in which energy is absorbed • Any reaction that produces a precipitate • Process where a substance gains electrons • When a metal is attacked by moisture and oxygen • ...

Chemical Energetics 2025-07-21

Chemical Energetics crossword puzzle
Across
  1. – A process that takes in energy from sunlight.
  2. - A process in which one or more substances are converted into new substances with different properties.
  3. – A chemical reaction that releases energy in the form of heat.
  4. – The energy content of a system, symbolized as H.
  5. – What happens to energy in an exothermic reaction.
  6. – Indicates how hot or cold a substance is; changes during reactions.
  7. – A chemical reaction that absorbs energy from its surroundings..
Down
  1. – The minimum energy required to start a chemical reaction.
  2. – A tool used to measure temperature changes in experiments.
  3. – The starting substances in a chemical reaction.
  4. – The substances formed after a chemical reaction.
  5. – What happens to energy in an endothermic reaction.

12 Clues: – A process that takes in energy from sunlight. • – The starting substances in a chemical reaction. • – The substances formed after a chemical reaction. • – The energy content of a system, symbolized as H. • – What happens to energy in an exothermic reaction. • – What happens to energy in an endothermic reaction. • ...

Chemical Reactions Crossword 2022-05-20

Chemical Reactions Crossword crossword puzzle
Across
  1. cause a substance to be deposited in solid form from a solution.
  2. a reaction in which one element is substituted for another element in a compound.
  3. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product.
  4. represents the reactants and products of a chemical reaction by their symbols or formulas.
  5. a type of ordering system for elements, which ranks how reactive a certain element is in relation to other elements.
  6. a type of chemical reaction in which the reactant ions exchange places to form new products.
  7. reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
Down
  1. a number assigned to an element in chemical combination which represents the number of electrons lost or gained by an atom of that element in the compound.
  2. processes in which chemical species break up into simpler parts.
  3. a number placed in front of a formula to balance a chemical equation.
  4. a chemical reaction expressed in words rather than chemical formulas.
  5. a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously.
  6. a chemical reaction between substances, usually including oxygen and accompanied by the generation of heat and light in the form of flame.
  7. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.

14 Clues: processes in which chemical species break up into simpler parts. • cause a substance to be deposited in solid form from a solution. • a number placed in front of a formula to balance a chemical equation. • a chemical reaction expressed in words rather than chemical formulas. • a reaction in which one element is substituted for another element in a compound. • ...

Exo/endo crossword 2022-03-28

Exo/endo crossword crossword puzzle
Across
  1. A substance that reacts together with another substance to form products during a chemical reaction
  2. Electrically charged particle, formed when an atom or molecule gains or loses electrons
  3. A substance formed in a chemical reaction
  4. Reaction in which energy is given out to the surroundings
  5. In chemical reactions, a situation where the forward and backward reactions happen at the same rate, and the concentrations of the substances stay the same
  6. A substance that changes the rate of a chemical reaction without being changed by the reaction itself
  7. A collection of two or more atoms held together by chemical bonds
Down
  1. Containing water of crystallisation, which can be removed by heating strongly
  2. Mixture formed by a solute and a solvent
  3. A substance containing no water
  4. Reaction in which energy is taken in
  5. A chemical reaction which can go both ways
  6. A straight line that just touches a point on a curve

13 Clues: A substance containing no water • Reaction in which energy is taken in • Mixture formed by a solute and a solvent • A substance formed in a chemical reaction • A chemical reaction which can go both ways • A straight line that just touches a point on a curve • Reaction in which energy is given out to the surroundings • ...

Chemistry Crossword Fun Fun Power Hour (Wacky!!) 2021-07-25

Chemistry Crossword Fun Fun Power Hour (Wacky!!) crossword puzzle
Across
  1. pH of 7--neutral-substance
  2. a neutral substance made up of balanced positive and negative ions--ionic-compound
  3. separation of ionic compounds by passing an electric current through it.--electrolysis-driven-separation-of-ionic-substances
  4. a positively charged ion--cation
  5. Low pH, donates protons--acidic-substance
  6. A different, simpler way to explain the VSEPR concept; the manner in which atomically-bonded molecules' shapes are determined.--valence-shell-electron-based-atomic-bondage-shapes
  7. placed on the right of a chemical equation; the results of a chemical reaction, and the sum total of the reactants--product
  8. H3O+; denotes basicity--hydronium-ion
Down
  1. when a base and acid react to form a salt and water--neutralization-reaction
  2. ions that do not react in a chemical equation--spectator-ion
  3. High pH, accepts protons--basic substance
  4. OH-; denotes acidity--hydroxide-ion
  5. A substance with another substance finely dissolved in it; an example would be saltwater--solution
  6. balancing the states of acidity and basicity; the constant state of chemical processes being "centered"--chemical-balance
  7. a negatively charged ion--anion
  8. indicates the acid will have only the -ic suffix--ate-ion-suffix
  9. the written form of a chemical reaction; demonstrates how reactants combine to form products.--chemical-equation
  10. placed on the left of a chemical equation; the substances that react with one another to produce new substances--reactant
  11. indicates the acid will have the prefix hydro- and suffix -ic--ide-ion-suffix
  12. created in neutralization reaction; can help lower the acidity of a substance--water-molecule
  13. indicates the acid will have the unique -ous suffix--ite-ion-suffix
  14. Scale on which acidity or basicity is measured; measures concentration of H+ and OH- ions--ph-scale

22 Clues: pH of 7--neutral-substance • a negatively charged ion--anion • a positively charged ion--cation • OH-; denotes acidity--hydroxide-ion • H3O+; denotes basicity--hydronium-ion • High pH, accepts protons--basic substance • Low pH, donates protons--acidic-substance • ions that do not react in a chemical equation--spectator-ion • ...

Chapter 19 "Chemical Reactions" Vocabulary 2018-03-07

Chapter 19 "Chemical Reactions" Vocabulary crossword puzzle
Across
  1. replacement reaction / A chemical reaction in which two reactant ionic compounds swap cations when forming the two product compounds. One of the products often becomes a precipitate.
  2. / A substance that is produced in a chemical reaction. Normally appears on the right side of a chemical reaction.
  3. reaction / A chemical reaction yielding a single product from several reactants.
  4. system / A method of naming different ionic compounds made of the same elements. Man metals can have different oxidation numbers. A Roman numeral in parentheses following the metal's name represents the value of the metal's oxidation number for that compound.
  5. reaction / A chemical reaction that must absorb heat from its surroundings to occur.
  6. replacement reaction / A chemical reaction in which one element in a reactant compound is replaced by another reactant element, forming a new compound product. The replaced element becomes one of the products and often forms a precipitate of a gas.
  7. / A substance that is present before a chemical reaction and takes part in it. Normally appears on the left side of the chemical reaction.
Down
  1. number / The number of electrons that a bonded atom of ion must gain or lose to return to its neutral state. Are used mainly for writing the formulas of inorganic compounds.
  2. reaction / Chemical reaction yielding two or more products from a single reactant. It is usually an endothermic reaction.
  3. reaction / A chemical reaction that liberates heat to its surroundings as it occurs.
  4. equation / An equation that symbolically represents the identity and amounts of reactants and products that take part in a chemical reaction.

11 Clues: reaction / A chemical reaction yielding a single product from several reactants. • reaction / A chemical reaction that liberates heat to its surroundings as it occurs. • reaction / A chemical reaction that must absorb heat from its surroundings to occur. • ...

Atomic Bonding 2015-04-08

Atomic Bonding crossword puzzle
Across
  1. Gain's or losses electrons
  2. Chemical reactions that release heat or light
  3. Many free electrons
  4. Third generation of quarks
  5. Holds quarks together
  6. positively charged center
  7. Elements want 8 in their outer shell
  8. Electrons in the outer shell
  9. Process of removing electrons from an atom to from ions
  10. Negative charge
  11. Basic chemical unit
Down
  1. Positive charge
  2. no charge
  3. Second generation of quarks
  4. Chemical reaction that makes the air cold around it
  5. two or more chemically bound atoms
  6. Shares electrons
  7. Made of more than one substance
  8. First generation of quarks
  9. Particles that make up Neutrons and Electrons
  10. Made of one substance

21 Clues: no charge • Positive charge • Negative charge • Shares electrons • Many free electrons • Basic chemical unit • Holds quarks together • Made of one substance • positively charged center • Gain's or losses electrons • First generation of quarks • Third generation of quarks • Second generation of quarks • Electrons in the outer shell • Made of more than one substance • ...

Reactions of Life 2018-10-01

Reactions of Life crossword puzzle
Across
  1. A gas needed by plants and made by animals.
  2. A green chemical that can trap sunlight.
  3. Energy trapped by chlorophyll.
  4. Energy produced by cellular respiration.
  5. A sugar made by plants and eaten by animals.
  6. Where oxygen enters the body of animals.
  7. A substance absorbed by roots.
  8. Holes in leaves where carbon dioxide enters.
  9. A chemical reaction that occurs in plants.
Down
  1. A reaction that absorbs energy from the surroundings.
  2. A chemical reaction that occurs in all life.
  3. A reaction that needs heat energy, a fuel and oxygen.
  4. Produced by plants.
  5. The organelle where photosynthesis takes place.
  6. The organelle where cellular respiration happens.
  7. A reaction that releases heat into the surroundings.

16 Clues: Produced by plants. • Energy trapped by chlorophyll. • A substance absorbed by roots. • A green chemical that can trap sunlight. • Energy produced by cellular respiration. • Where oxygen enters the body of animals. • A chemical reaction that occurs in plants. • A gas needed by plants and made by animals. • A chemical reaction that occurs in all life. • ...

Science Vocab Crossword 2023-12-10

Science Vocab Crossword crossword puzzle
Across
  1. The amount of things in a given area
  2. Degree to which a substance dissolves
  3. A solid incorporating into a liquid
  4. Dissolvable
  5. A substance that can neutralize the acid by reacting with hydrogen ions
  6. A material made up of two or more different chemical substances which are not chemically bonded
  7. Hydrogen-containing substance that is capable of donating a proton to another substance
  8. A process that involves rearrangement of the molecular or ionic structure of a substance
  9. A chemical reaction that generates heat
  10. A measure of a fluid's resistance to flow
  11. The physical process of a transition from one state of matter to another
Down
  1. Not Dissolvable
  2. A chemical reaction that generates cold
  3. A measure of the speed it takes for something to catch fire
  4. A substance that is present at the end of a chemical reaction
  5. The starting materials in a reaction
  6. Matter cannot be created or distoryed
  7. Any substance that cannot be decomposed into simpler substances by ordinary chemical processes

18 Clues: Dissolvable • Not Dissolvable • A solid incorporating into a liquid • The amount of things in a given area • The starting materials in a reaction • Degree to which a substance dissolves • Matter cannot be created or distoryed • A chemical reaction that generates cold • A chemical reaction that generates heat • A measure of a fluid's resistance to flow • ...

Victoria's Matter Crossword 2024-05-15

Victoria's Matter Crossword crossword puzzle
Across
  1. The substances that are formed during a chemical reaction
  2. The ability of molecules of the same substance to stick together
  3. Two or more atoms joined together
  4. The force that holds atoms together
  5. The substances before a chemical reaction happens
  6. Material that has mass and takes up space
  7. A measure of the average kinetic energy of atoms in a system
  8. A substance formed when two or more elements combine
  9. A change in matter that doesn't affect it's chemical composition
  10. The smallest unit of an element
  11. The ability to do work or cause change
Down
  1. A characteristic that can be observed (texture, color, odor)
  2. The amount of space that an object occupies
  3. A substance that can't be broken down by a chemical reaction
  4. A science that deals with the composition, structure and properties of a substance
  5. A process that changes substances into new substances
  6. A characteristic of a substance that is measurable or observable during a chemical reaction
  7. A process that changes substances into new substances
  8. The amount of matter in an object

19 Clues: The smallest unit of an element • Two or more atoms joined together • The amount of matter in an object • The force that holds atoms together • The ability to do work or cause change • Material that has mass and takes up space • The amount of space that an object occupies • The substances before a chemical reaction happens • ...

CWhitmore ch13 2016-10-13

CWhitmore ch13 crossword puzzle
Across
  1. Energy transfers from reactions to surroundings.
  2. What is needed to start the process to break bonds or start a combustion reaction.
  3. If a change is made to system in chemical equilibrium the equilibrium shifts to oppose the change until a new equilibrium.
  4. A substance that undergoes a chemical change.
  5. A reason that of at least 2 substances that forms a new more complex compound.
  6. A reaction in which a compound oxygen burn.
Down
  1. agents that selectively seed up chemical reactions without being consumed by the reaction.
  2. A substance that is the result of a chemical change.
  3. Areaction that releases energy in the form of heat.
  4. A reaction in which one compound breaks into at least 2 products.
  5. Energy is transferred to reactants from surrounding.
  6. The state in which a chemical reaction and its reverse occur at the scene time and at the scene rate.
  7. change that takes place when two or more substances interact to form new substance.
  8. what factor may affect equilibrium a chemical reaction.
  9. The specific substance affected by an enzyme.

15 Clues: A reaction in which a compound oxygen burn. • A substance that undergoes a chemical change. • The specific substance affected by an enzyme. • Energy transfers from reactions to surroundings. • Areaction that releases energy in the form of heat. • A substance that is the result of a chemical change. • Energy is transferred to reactants from surrounding. • ...

Crossword 2021-03-30

Crossword crossword puzzle
Across
  1. Energy particles need in order to react.
  2. A substance formed in a chemical reaction.
  3. A substance changed in a chemical reaction.
  4. A biological catalyst.
  5. Measure of the amount of substance in a solution.
  6. Measured in centimetre cubed.
Down
  1. Point where a graph crosses an axis.
  2. Can be found by measuring the quantity of product formed over time.
  3. A substance that remains unchanged in a chemical reaction.
  4. Theory used to predict rates of chemical reaction.
  5. The steepness of a graph.
  6. A chemical change.

12 Clues: A chemical change. • A biological catalyst. • The steepness of a graph. • Measured in centimetre cubed. • Point where a graph crosses an axis. • Energy particles need in order to react. • A substance formed in a chemical reaction. • A substance changed in a chemical reaction. • Measure of the amount of substance in a solution. • ...

Unit 4 Vocab 2024-03-27

Unit 4 Vocab crossword puzzle
Across
  1. a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound
  2. two or more substances combine to form another substance
  3. a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule.
  4. tells you by mass what percent of each element is present in a compound
  5. a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products
  6. a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts.
  7. An ionic compound made from the neutralization of an acid with a base.
  8. the mass in grams of one mole of a substance
  9. a chemical change in which one element replaces a second element in a compound
Down
  1. a reaction in which an acid and a base react in aqueous solution to produce a salt and water
  2. Tells you the ratio of elements in the compound
  3. the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
  4. A substance that decreases the hydrogen ion concentration in a solution.
  5. an expression that defines the number of atoms of each element in one molecule of a compound
  6. a chemical change in which a single compound is broken down into two or more simpler products
  7. a measure of how acidic/basic water is
  8. a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat
  9. the number in front of the formula
  10. The chemical substances which are formed due to a chemical reaction between two or more chemical substances

19 Clues: the number in front of the formula • a measure of how acidic/basic water is • the mass in grams of one mole of a substance • Tells you the ratio of elements in the compound • two or more substances combine to form another substance • An ionic compound made from the neutralization of an acid with a base. • ...

Vocab crossword 2022-01-24

Vocab crossword crossword puzzle
Across
  1. The substance produced as a result of a chemical reaction.
  2. The altering of an object's chemical composition by rearranging the atoms.
  3. A chemical reaction that produces more reactant molecules than it started with.
  4. A symbolic representation of a chemical reaction.
  5. A chemical reaction that exchanges two or more atoms between molecules.
Down
  1. A reaction that releases energy; it becomes warm or hot.
  2. A solid that forms during a chemical reaction.
  3. A reaction that takes in energy; it becomes cold
  4. A chemical reaction that makes one molecule from two or more.
  5. A substance that undergoes a chemical change in a chemical reaction

10 Clues: A solid that forms during a chemical reaction. • A reaction that takes in energy; it becomes cold • A symbolic representation of a chemical reaction. • A reaction that releases energy; it becomes warm or hot. • The substance produced as a result of a chemical reaction. • A chemical reaction that makes one molecule from two or more. • ...

Stoichiometry 2022-05-17

Stoichiometry crossword puzzle
Across
  1. The chemicals which are put into a chemical reaction and are on the left side of the reaction
  2. The mass of one mole of a substance
  3. AB + CD ----> AD + CB
  4. A + BC ----> AC + B
  5. Symbolized by (aq) next to a chemical formula
  6. The amount of product that is actually formed when a reaction is carried out in the laboratory
  7. AB ----> A + B
  8. Something you must do to the equation to follow the Law of Conservation of Mass
  9. The substance that runs out in a chemical reaction, thus controlling the amount of product(s)
  10. A compound containing carbon and hydrogen is burned in the presence of oxygen
Down
  1. The chemicals present on the right side of a chemical reaction
  2. A + B ----> AB
  3. The reactant that is leftover after a reaction comes to completion
  4. The number in front of a balanced formula showing how much of that reactant or product is present
  5. 6.02 x 10^23
  6. A conversion factor derived from the coefficients of the quantities of substances involved in chemical reactions

16 Clues: 6.02 x 10^23 • A + B ----> AB • AB ----> A + B • A + BC ----> AC + B • AB + CD ----> AD + CB • The mass of one mole of a substance • Symbolized by (aq) next to a chemical formula • The chemicals present on the right side of a chemical reaction • The reactant that is leftover after a reaction comes to completion • ...

Rates of reaction 2021-01-14

Rates of reaction crossword puzzle
Across
  1. This is the name of a biological catalyst
  2. A scientist does this when looking closely at a reaction
  3. Temperature is measured in degrees _______
  4. This is a special substance added to increase the rate of reaction without being used up
  5. The number of particles of a substance in a volume
  6. When the particle size is decreased, more of the outside of the substance can touch the reactant
  7. Can be given off during a chemical reaction (you would see bubbles)
Down
  1. A chemical reaction could give off this in the form of heat or light.
  2. Increasing this (how hot the substance is) would increase the rate of reaction
  3. The substance made in a chemical reaction
  4. The substances mixed together in a chemical reaction
  5. ____ of reaction is how quickly the reaction completes
  6. The time for a reaction is measured in

13 Clues: The time for a reaction is measured in • The substance made in a chemical reaction • This is the name of a biological catalyst • Temperature is measured in degrees _______ • The number of particles of a substance in a volume • The substances mixed together in a chemical reaction • ____ of reaction is how quickly the reaction completes • ...

Atomic Bonding 2015-04-08

Atomic Bonding crossword puzzle
Across
  1. positively charged center
  2. Elements want 8 in their outer shell
  3. Basic chemical unit
  4. Chemical reactions that release heat or light
  5. two or more chemically bound atoms
  6. Second generation of quarks
  7. Electrons in the outer shell
  8. Third generation of quarks
  9. First generation of quarks
Down
  1. Holds quarks together
  2. Gain's or losses electrons
  3. Made of one substance
  4. Negative charge
  5. Chemical reaction that makes the air cold around it
  6. Shares electrons
  7. Process of removing electrons from an atom to from ions
  8. Many free electrons
  9. no charge
  10. Made of more than one substance
  11. Positive charge
  12. Particles that make up Neutrons and Electrons

21 Clues: no charge • Negative charge • Positive charge • Shares electrons • Basic chemical unit • Many free electrons • Holds quarks together • Made of one substance • positively charged center • Gain's or losses electrons • Third generation of quarks • First generation of quarks • Second generation of quarks • Electrons in the outer shell • Made of more than one substance • ...

Chemical Reactions Test Review 2025-05-15

Chemical Reactions Test Review crossword puzzle
Across
  1. a scale from 0 to 14 that is a measure of the hydrogen and hydroxide ion concentrations, how strong or weak an acid or base is.
  2. a chemical compound that dissociates into hydroxide ion(s) and a positively charged ion when mixed with water
  3. not able to be dissolved by a particular solvent. Some things can be dissolved by water and some cannot (insoluble)
  4. forms when a solvent is saturated and more solute is added. The extra solute ‘precipitates’ to the bottom
  5. a chemical compound that is produced in a chemical reaction (what you have at the end of the reaction)
  6. the ratio of the amount of solute to the volume of solvent
  7. the substance that changes state when a solution is prepared or is present in the smallest amount
  8. when a reactant is converted to a product
  9. matter cannot be created nor destroyed
  10. when a solvent is ‘full’ of solute and cannot dissolve any more
  11. When an acid is mixed with water, it dissociates into a negatively charged ion and a hydrogen ion, H+
Down
  1. When a base is mixed with water, it dissociates into a positively charged ion and a hydroxide ion, OH-.
  2. able to be dissolved by a particular solvent
  3. a chemical compound that is consumed in a chemical reaction (what you start with)
  4. Describes a chemical reaction by indicating the formulas of all reactants and products
  5. when a reactant is not converted to a product
  6. a chemical compound that has a hydrogen ion(s) (also called hydronium ions) when mixed with water (H+)
  7. a chemical compound that has a negative or a positive charge
  8. occurs when chemical reactants are converted into chemical products
  9. a description of a chemical compound using the letter designations of the elements

20 Clues: matter cannot be created nor destroyed • when a reactant is converted to a product • able to be dissolved by a particular solvent • when a reactant is not converted to a product • the ratio of the amount of solute to the volume of solvent • a chemical compound that has a negative or a positive charge • when a solvent is ‘full’ of solute and cannot dissolve any more • ...

Ross Unit 2/ Cells 2022-03-25

Ross Unit 2/ Cells crossword puzzle
Across
  1. the product of the chemical reaction
  2. the basic unit of a chemical element
  3. doesn't like water
  4. makes up the head of the phospholipid molecule
  5. an important part in chemical reactions besides the enzyme
  6. transport requires ATP
  7. permeable allowing certain things in or out
  8. made of macromolecules
  9. multicelluar or unicelluar
  10. system made up of organs
  11. molecules move naturaly
Down
  1. likes water
  2. made up of tissues
  3. Energy energy needed to perform chemical reactions
  4. transport doesn't require ATP
  5. a group of atoms bonded together
  6. made of specialized cells
  7. site where the substrate attaches to the enzyme
  8. where the enzyme has been changed and the chemical reaction no longer works
  9. the basic unit of life
  10. proteins that speed up chemical reactions
  11. the diffusion of water across the cell membrane

22 Clues: likes water • made up of tissues • doesn't like water • transport requires ATP • the basic unit of life • made of macromolecules • molecules move naturaly • system made up of organs • made of specialized cells • multicelluar or unicelluar • transport doesn't require ATP • a group of atoms bonded together • the product of the chemical reaction • the basic unit of a chemical element • ...

chemical reactions 2016-10-23

chemical reactions crossword puzzle
Across
  1. hydrated iron
  2. a chemical reaction that releases energy
  3. a chemical reaction that absorbs energy
  4. chemical produced in a chemical reaction written on the right hand of the arrow
  5. the breakdown of metals due to there reaction with other chemicals
  6. highly combustible chemicals petrol is a mix of it
  7. a process in which chemicals move,caused by different concentrations of the chemical
  8. a biological catalyst that speeds up a reaction
Down
  1. a simple sugar formed by photosynthesis
  2. a reaction that uses oxygen to release energy stored in glucose
  3. chemicals that tale pat in a chemical reaction written on the left side of the arrow
  4. rain that has acids such as nitric acid and sulfuric acid dissolved in it

12 Clues: hydrated iron • a simple sugar formed by photosynthesis • a chemical reaction that absorbs energy • a chemical reaction that releases energy • a biological catalyst that speeds up a reaction • highly combustible chemicals petrol is a mix of it • a reaction that uses oxygen to release energy stored in glucose • ...

C2 Crossword 2018-04-25

C2 Crossword crossword puzzle
Across
  1. system Open system
  2. Energy
  3. Salt
  4. Chem reaction bewteen a base and an acid
  5. agent Oxidising agent
  6. Alkali
  7. A natural resource that will run out
  8. Stored energy is released
  9. Substance loses oxygen
  10. of conversation of mass Tocom
  11. system Closed system
Down
  1. Gives out energy change exo
  2. Endothermic
  3. Hydrogen and carbon
  4. The natural effect
  5. Rise in average wordl temps
  6. Carbonate
  7. Chemical reaction where a substance gains
  8. Source that will not run out
  9. A chemical reaction that is also known as burning
  10. A chemical less than 7
  11. Describes the product formed in the oxidation of fat
  12. Base
  13. dioxide Gas that form 0.04% of the air

24 Clues: Salt • Base • Energy • Alkali • Carbonate • Endothermic • system Open system • The natural effect • Hydrogen and carbon • system Closed system • agent Oxidising agent • A chemical less than 7 • Substance loses oxygen • Stored energy is released • Gives out energy change exo • Rise in average wordl temps • Source that will not run out • of conversation of mass Tocom • ...

Chemistry unit study guide 2016-02-10

Chemistry unit study guide crossword puzzle
Across
  1. 2 or more chemical elements
  2. good conducting of heat
  3. products of a chemical reaction must equal the mass
  4. A wave function
  5. negative charge
  6. the turn out
  7. # of protons in atom
  8. vary small, has properties of of a chemical element.
  9. outside
  10. can't be broken up
  11. represent
Down
  1. positive charge
  2. gaseous elements
  3. only partially conduct heat
  4. neutral charge
  5. created the periodic table
  6. pore conductor of heat
  7. inside
  8. outer ring
  9. layer of metal bounded to the surface of another substance.
  10. center of an atoms
  11. mass of atom
  12. substances present in chemical reaction

23 Clues: inside • outside • represent • outer ring • the turn out • mass of atom • neutral charge • positive charge • A wave function • negative charge • gaseous elements • center of an atoms • can't be broken up • # of protons in atom • pore conductor of heat • good conducting of heat • created the periodic table • 2 or more chemical elements • only partially conduct heat • ...

science crossword 2022-01-18

science crossword crossword puzzle
Across
  1. the substance produced as a result of a chemical reaction
  2. a reaction that releases energy and becomes warm
  3. A symbolic representation of a chemical reaction
  4. the altering of an chemical composition by rearranging the atoms
  5. a substance that undergoes an chemical change in a chemical reaction
Down
  1. a reaction that takes in energy and becomes cold
  2. a solid that forms during a chemical reaction
  3. a chemical reaction that makes one molecule from two or more
  4. a chemical reaction that produces more reactant molecules than it started with
  5. a chemical reaction that exchanges two or more atoms between molecules

10 Clues: a solid that forms during a chemical reaction • a reaction that takes in energy and becomes cold • a reaction that releases energy and becomes warm • A symbolic representation of a chemical reaction • the substance produced as a result of a chemical reaction • a chemical reaction that makes one molecule from two or more • ...

Chemical Reactions 2024-12-31

Chemical Reactions crossword puzzle
Across
  1. Reaction type that produces exactly one product
  2. Substance(s) resulting from a chemical reaction
  3. Symbol used to indicate a chemical reaction is occurring
  4. Reaction type where two elements are exchanged in separate compounds (1st word only)
  5. The meaning of the name for the reaction type during which a reactant separates
  6. Another name for the reaction type during which reactants are added together
  7. Substance(s) at the start of a chemical reaction
  8. Reaction type where one element is exchanged for another in a compound (1st word only)
Down
  1. The term for a compound that contains the elements C and H
  2. A process during which atoms of substances are rearranged to form new substances
  3. The reactant that must be included in a combustion reaction
  4. Written expression that shows formulas and quantities of substances in a reaction
  5. Reaction type that has exactly one reactant
  6. Another word that means element(s) “trade places”
  7. Reaction type that always involves burning and the elements C, H, and O

15 Clues: Reaction type that has exactly one reactant • Reaction type that produces exactly one product • Substance(s) resulting from a chemical reaction • Substance(s) at the start of a chemical reaction • Another word that means element(s) “trade places” • Symbol used to indicate a chemical reaction is occurring • The term for a compound that contains the elements C and H • ...

Chemical vs physical change 2020-04-30

Chemical vs physical change crossword puzzle
Across
  1. changing a liquid to a gas all throughout the liquid
  2. When an atom bumps into another atom, sometimes a chemical reaction takes place
  3. one evidence of a chemical reaction is the release of _________
  4. when particles move around each other
  5. when particles move around in all direction
  6. there of seven pieces of this, that shows a chemical reaction has taken place. Some can be misleading
  7. the smallest form of matter. Could be atom, molecule, or ion.
  8. when a compound breaks down or its atoms rearrange
  9. the state change of a liquid to a gas at the surface
  10. one of the least reactive metals. That's why it is so precious.
  11. this type of change is when the same chemical composition exists
  12. when two or more pure substances are combined with no chemical reaction
  13. when a solid turns directly into a gas (dry ice)
Down
  1. when a solid is formed from a liquid
  2. when a solid _______ into a liquid to form a solution (like saltwater)
  3. an example of this is frost on a cold morning, a gas goes straight to a solid
  4. the melting point of this metal is 842 C
  5. the state change you see in a steam room
  6. the measurement of average kinetic energy
  7. when a solid turns to a liquid
  8. this type of change shows a different kind of compound formed
  9. when particles are very close to each other

22 Clues: when a solid turns to a liquid • when a solid is formed from a liquid • when particles move around each other • the melting point of this metal is 842 C • the state change you see in a steam room • the measurement of average kinetic energy • when particles move around in all direction • when particles are very close to each other • ...

Chapter 2 Crossword 1 2014-11-19

Chapter 2 Crossword 1 crossword puzzle
Across
  1. the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have
  2. high-energy particles with very little mass
  3. a solution in which no more solute can dissolve
  4. the separating of a molecule into simpler molecules, atoms, radicals, or ions
  5. The simplest particle of an element
  6. a compound or atom involved in a chemical reaction
  7. a chemical that reduces the amount of activation energy needed for a reaction but not for a reactant
  8. positive and negative electrical charges attract each other
  9. a subatomic particle with a positive charge
  10. any substance that increases the concentration or hydrogen ions when added to a water solution
  11. a mixture in which one or more substances are uniformly dissolved in another substance
  12. a subatomic particle with no electrical charge
Down
  1. a chemical reaction that involves a net release of free energy
  2. anything that occupies space and has mass
  3. one water molecule, H2O, dissociates to form two ions
  4. a solution in which water is the solvent
  5. a chemical reaction in which a reactant gains one or more electrons, becoming more negative in charge
  6. a chemical reaction in which a reactant loses one or more electrons
  7. adhesive substance, heat, or pressure
  8. a pure substance that is made up of two or more elements
  9. chemical that neutralizes small amounts of acids or bases added to a solution
  10. The ability to do work

22 Clues: The ability to do work • The simplest particle of an element • adhesive substance, heat, or pressure • a solution in which water is the solvent • anything that occupies space and has mass • high-energy particles with very little mass • a subatomic particle with a positive charge • a subatomic particle with no electrical charge • ...

Unit 2 vocab 2024-09-18

Unit 2 vocab crossword puzzle
Across
  1. Sugar or Starch
  2. Region on enzyme where the substrate binds and the reactions occurs
  3. 2 molecules release water when combined
  4. Chemical reaction that breaks down a compound by adding water
  5. Small molecule that joins other molecules to from polymer
  6. 2 opposite ends with + and - charges
  7. Simpliest form of a carb
  8. Basic unit of nucleic acids.
  9. Carb containing long chains of monosaccharides
  10. Long hydrocarbon chain with a carboxyl group
  11. A hydrophobic molecule, including fats and oils, used for energy storage and the cell membrane
  12. A large molecule made from many monomers
  13. Single stranded molecule involved in protein synthesis and other processes
  14. Large molecule like DNA or proteins consisting of many atoms
Down
  1. Substance that starts a chemical reaction
  2. weak bond in DNA molecule carbon-based compound a carbon based roundatural compound
  3. molecule that enzymes act
  4. Molecule that provides energy for cellular process
  5. Energy energy needed to start a chemical reaction
  6. Molecule made of Amino acids
  7. The genetic molecule
  8. protein that speeds up biochemical reactions
  9. Lipid with 2 fatty acids phosphate group, and a key in forming cell membranes
  10. chain of amino acids linked together in proteins bonds
  11. Molecules like DNA
  12. acids building blocks of protein
  13. Bond is a chemical bond of shared electrons
  14. link of amino acids
  15. substance that speeds up chemical reaction w/o use up
  16. Result of a chemical reaction

30 Clues: Sugar or Starch • Molecules like DNA • link of amino acids • The genetic molecule • Simpliest form of a carb • molecule that enzymes act • Molecule made of Amino acids • Basic unit of nucleic acids. • Result of a chemical reaction • acids building blocks of protein • 2 opposite ends with + and - charges • 2 molecules release water when combined • ...

Chemical Reactions 2024-01-15

Chemical Reactions crossword puzzle
Across
  1. biological catalyst
  2. speeds up or slows down a reaction
  3. two substances exchange
  4. participates in a chemical reaction
  5. one element takes place of another
  6. reaction with oxygen
  7. single substance breaks into 2 or more
Down
  1. represents a chemical reaction
  2. chemical change
  3. forms in a chemical reaction
  4. two substances combine one

11 Clues: chemical change • biological catalyst • reaction with oxygen • two substances exchange • two substances combine one • forms in a chemical reaction • represents a chemical reaction • speeds up or slows down a reaction • one element takes place of another • participates in a chemical reaction • single substance breaks into 2 or more

Vocabulary Crossword 2022-01-24

Vocabulary Crossword crossword puzzle
Across
  1. A substance that undergoes a chemical change in a chemical reaction.
  2. A symbolic representation of a chemical reaction.
  3. A solid that forms during a chemical reaction.
  4. The altering of an object's chemical composition by rearranging the atoms.
Down
  1. A reaction that releases energy; it becomes warm or hot
  2. A chemical reaction that produces more reactant molecules than it started with.
  3. The substance produced as a result of a chemical reaction
  4. A chemical reaction that makes one molecule from two or more.
  5. A reaction that takes in energy; it becomes cold.
  6. A chemical reaction that exchanges two or more atoms between molecules

10 Clues: A solid that forms during a chemical reaction. • A reaction that takes in energy; it becomes cold. • A symbolic representation of a chemical reaction. • A reaction that releases energy; it becomes warm or hot • The substance produced as a result of a chemical reaction • A chemical reaction that makes one molecule from two or more. • ...

vocab 2024-11-04

vocab crossword puzzle
Across
  1. The amount of a substance that contains 6.02 x 1023 particles of that substance
  2. The speed at which reactants are converted in products
  3. Equation: is a chemical equation with the same number of atoms of each element on both sides of the arrow
  4. is the number in front of the formula, that is related to the properties of the products. For example 2 H2O means there is two molecules of water
  5. Gain of electrons
  6. Is a substance that is formed as the result of a chemical reaction.
  7. A process in which one or more substances, the reactants, are converted to one or more different substances called the products
  8. A substance that slows down or prevents a particular chemical reaction or other process, or that reduces the activity of a particular reactant, catalyst, or enzyme.
  9. A type of lettering form written lower than the things around it. In chemical formulas the number of atoms in a molecule is written in this manner
  10. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  11. Mass in grams of one mole of a substance
Down
  1. Loss of Electrons
  2. for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity cannot be added or removed.
  3. A substance that takes part in and undergoes change during a reaction
  4. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  5. A representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.
  6. A chemical reaction that releases energy in the form of light or heat
  7. Are those which absorb energy from the surroundings and result in a net decrease in temperature

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

Year 9-10 Science Week Crossword 2022-08-09

Year 9-10 Science Week Crossword crossword puzzle
Across
  1. An added substance to a chemical reaction that is not consumed, to help speed up the reaction
  2. The quality of a sound wave that quantifies its volume
  3. Nerve cell
  4. Plant process that converts light and water to energy
  5. Chemical reaction between aqueous substances that forms a solid product
  6. Change in velocity over time
  7. Same element with different number of neutrons
  8. Positively charged ion
  9. Non-living factors that affect an environment
  10. A living thing
Down
  1. Hot fluid under the Earth
  2. Chemical reaction that releases heat
  3. The variable that we measure
  4. Force multiplied by displacement
  5. Explosion of a star
  6. Unit of measurement for force
  7. Inheritance pattern of a trait in a family
  8. Outer layer of the Earth
  9. His law relates voltage, current and resistance

19 Clues: Nerve cell • A living thing • Explosion of a star • Positively charged ion • Outer layer of the Earth • Hot fluid under the Earth • The variable that we measure • Change in velocity over time • Unit of measurement for force • Force multiplied by displacement • Chemical reaction that releases heat • Inheritance pattern of a trait in a family • ...

Chapter 17 2013-05-02

Chapter 17 crossword puzzle
Across
  1. ______ rate constant
  2. reaction multiple reactions
  3. catalyst different kinds
  4. etaidemretni
  5. complex temporary, unstable
  6. state forms reactants first
  7. ________ mechanism
Down
  1. catalyst same kind
  2. of initial rates hetmdo fo ainilti erats
  3. accelerates chemical reaction
  4. theory states that atoms, ions, and molecules must collide to react.
  5. rate quick rate
  6. decreases rate of chemical reaction
  7. energy a minimum amount of energy
  8. aetr

15 Clues: aetr • etaidemretni • rate quick rate • catalyst same kind • ________ mechanism • ______ rate constant • catalyst different kinds • reaction multiple reactions • complex temporary, unstable • state forms reactants first • accelerates chemical reaction • energy a minimum amount of energy • decreases rate of chemical reaction • of initial rates hetmdo fo ainilti erats • ...

chapter 17 2013-05-02

chapter 17 crossword puzzle
Across
  1. catalyst same kind
  2. state forms reactants first
  3. reaction multiple reactions
  4. ________ mechanism
  5. accelerates chemical reaction
  6. rate quick rate
  7. ______ rate constant
  8. aetr
  9. energy a minimum amount of energy
  10. decreases rate of chemical reaction
Down
  1. catalyst different kinds
  2. theory states that atoms, ions, and molecules must collide to react.
  3. of initial rates hetmdo fo ainilti erats
  4. etaidemretni
  5. complex temporary, unstable

15 Clues: aetr • etaidemretni • rate quick rate • catalyst same kind • ________ mechanism • ______ rate constant • catalyst different kinds • state forms reactants first • reaction multiple reactions • complex temporary, unstable • accelerates chemical reaction • energy a minimum amount of energy • decreases rate of chemical reaction • of initial rates hetmdo fo ainilti erats • ...

Chemistry Crossword by Caitlin Garcia 2024-02-26

Chemistry Crossword by Caitlin Garcia crossword puzzle
Across
  1. A type of bond where electrons are transferred from one atom to another.
  2. A substance that changes color in response to the presence of an acid or a base.
  3. The smallest unit of an element, composed of protons, neutrons, and electrons.
  4. A bond formed by the sharing of electrons between atoms.
  5. A substance that increases the rate of a chemical reaction without being consumed in the reaction.
  6. The process in which a liquid becomes a gas at a temperature below its boiling point.
  7. A substance that speeds up a chemical reaction by lowering the activation energy.
  8. A substance that slows down a chemical reaction.
  9. The temperature at which a substance changes from a liquid to a gas.
  10. A pure substance made of only one type of atom.
Down
  1. A measure of how much solute is dissolved in a solvent.
  2. The force of attraction between opposite electric charges.
  3. The smallest particle of an element that retains the chemical properties of that element.
  4. A substance formed by the chemical combination of two or more elements in definite proportions.
  5. A homogeneous mixture composed of two or more substances.
  6. The smallest unit of a compound that retains its chemical properties.
  7. The process by which a substance is transformed into one or more new substances with different properties.
  8. The study of the nature and behavior of matter and energy.
  9. A compound that donates hydrogen ions when dissolved in water.
  10. The amount of matter in an object.

20 Clues: The amount of matter in an object. • A pure substance made of only one type of atom. • A substance that slows down a chemical reaction. • A measure of how much solute is dissolved in a solvent. • A bond formed by the sharing of electrons between atoms. • A homogeneous mixture composed of two or more substances. • ...

tacotacotaco 2015-11-25

tacotacotaco crossword puzzle
Across
  1. neutral particle of an atom
  2. gas to liquid
  3. gas to solid
  4. positively charged particle of an atom
  5. formed with one metal and one non-metal
  6. new material produced by the reaction
  7. vertical column of the periodic table(also called a family)
  8. group 1 element
  9. formed with two non-metals
  10. a chemical reaction that takes place in the cells in your body
  11. the basic unit of a chemical element.
  12. takes place when two or more substances combine to form new substances.
  13. solid to gas
  14. negatively charged particle of an atom
  15. group 17 element
  16. horizontal row of the periodic table
Down
  1. liquid to gas(vaporization)
  2. slow chemical change that occurs when oxygen in the air reacts with a metal
  3. the total mass of the reactants and the total mass of the products are equal
  4. a chemical reaction that occurs when oxygen reacts with a substance to from a new substances and give off energy
  5. gases group 18 element
  6. substances that help a reaction proceed faster
  7. material at the start of a reaction
  8. have both metallic and non-metallic properties
  9. The Workplace Hazardous Materials Information System

25 Clues: gas to solid • solid to gas • gas to liquid • group 1 element • group 17 element • gases group 18 element • formed with two non-metals • liquid to gas(vaporization) • neutral particle of an atom • material at the start of a reaction • horizontal row of the periodic table • new material produced by the reaction • the basic unit of a chemical element. • ...

Chemical Reaction 2023-02-09

Chemical Reaction crossword puzzle
Across
  1. molecule found in Westfields water
  2. an ending substance that is made during a chemical reaction
  3. to change the order or position of something
  4. a group of atoms joined together in a particular way
  5. the tiny pieces that all matter—all the stuff in the world—is made of
Down
  1. something that is made of all the same atoms or groups of atoms
  2. something that can be observed about a substance, such as color, smell, or boiling point
  3. a starting substance that is part of a chemical reaction

8 Clues: molecule found in Westfields water • to change the order or position of something • a group of atoms joined together in a particular way • a starting substance that is part of a chemical reaction • an ending substance that is made during a chemical reaction • something that is made of all the same atoms or groups of atoms • ...

chemical reaction 2025-10-15

chemical reaction crossword puzzle
Across
  1. :a solid formed by a change in a solution, often due to a chemical reaction or change in temperature
  2. :a change that occurs when one or more substances change into entirely new substances with different properties
  3. :a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
  4. :a substance or molecule that participates in a chemical reaction; the ingredients that you start with
Down
  1. :a change of matter from one form to another without a change in chemical properties; only physical changes
  2. :happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
  3. :a substance or molecule that is formed in a chemical reaction; the final output
  4. :states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged

8 Clues: :a substance or molecule that is formed in a chemical reaction; the final output • :a solid formed by a change in a solution, often due to a chemical reaction or change in temperature • :a substance or molecule that participates in a chemical reaction; the ingredients that you start with • ...

6.2 ~ "Chemical Reactions" 2022-12-06

6.2 ~ "Chemical Reactions" crossword puzzle
Across
  1. Chemical reaction in which heat energy is absorbed
  2. The starting substances in a chemical reaction (on the left side of the arrow in a chemical equation)
  3. A substance that lowers the activation energy needed to start a chemical reaction
  4. Chemical reaction in which heat energy is released
  5. These are broken and/or formed during chemical reactions
Down
  1. The minimum amount of energy needed for reactants to form products in a chemical reaction is the ______ energy
  2. The number written in front of a reactant or product in a chemical equation to balance the equation
  3. Chemical equations have to balance because matter cannot be created or _________
  4. The substances formed during a chemical reaction (on the right side of the arrow in a chemical equation)
  5. Special proteins that speed up the rate of chemical reactions in biological processes
  6. The process by which atoms or groups of atoms in substances are reorganized into different substances is a chemical _______

11 Clues: Chemical reaction in which heat energy is absorbed • Chemical reaction in which heat energy is released • These are broken and/or formed during chemical reactions • Chemical equations have to balance because matter cannot be created or _________ • A substance that lowers the activation energy needed to start a chemical reaction • ...

MarissaMartin 2016-10-12

MarissaMartin crossword puzzle
Across
  1. these change the rate of chemical reactions
  2. some chemical reactions can be ______.
  3. when reaction and it's reverse act as the same rate
  4. 2 individuals switched to different "teams"
  5. take 2 individual elememts not combined, then they undergo the chemical reaction become a compound
  6. the energy stored in molecules that can be released diring a reaction
  7. energy transfers from reactants to surroundings usually as heat
  8. type of energy that must be added to break bonds
  9. oxides on the product side of arrow
  10. a substance that undergoes a chemical change
Down
  1. Chemical reactions change the _____.
  2. one individual ina compound leaves to another chemical compound
  3. a substance that is the result of the chemical change
  4. start as a compound, go through chemical change, come out as individuals
  5. energy is transferred to reactants from surroundings, usually cool
  6. a chemical that donates a hydrogen ion.

16 Clues: oxides on the product side of arrow • Chemical reactions change the _____. • some chemical reactions can be ______. • a chemical that donates a hydrogen ion. • these change the rate of chemical reactions • 2 individuals switched to different "teams" • a substance that undergoes a chemical change • type of energy that must be added to break bonds • ...

Biochemistry 2020-09-20

Biochemistry crossword puzzle
Across
  1. short term energy storage
  2. reaction that breaks down molecules
  3. of substance
  4. enzyme after a reaction has occurred
  5. of proteins
  6. transport genetic information
  7. stores genetic information
  8. long term energy storage and membrane
  9. of nucleic acids
Down
  1. large molecule
  2. monomer of lipids
  3. used in chemical reactions
  4. increases rate
  5. complex sugar
  6. and under goes change
  7. reaction that builds new molecules from small
  8. containing carbon
  9. bond- chemical bond between amine acids
  10. change shape
  11. monomers linked together
  12. energy required to start a reaction
  13. simple sugar
  14. used for structure
  15. building block

24 Clues: of proteins • of substance • change shape • simple sugar • complex sugar • large molecule • increases rate • building block • of nucleic acids • monomer of lipids • containing carbon • used for structure • and under goes change • monomers linked together • short term energy storage • used in chemical reactions • stores genetic information • transport genetic information • ...

Chemical Reactions and Equations 2023-11-06

Chemical Reactions and Equations crossword puzzle
Across
  1. New substances formed as a result of a chemical reaction
  2. loss of oxygen or gain of hydrogen.
  3. A insoluble solid that is produced as result of a chemical reaction.
  4. A chemical reaction that releases energy to its surroundings
  5. A substance that affects the rate of a chemical reaction without being used up in the reaction
  6. A chemical reaction that absorbs energy from its surroundings
Down
  1. When one reactant gets oxidized while the other gets reduced during a reaction. Such reactions are called as.
  2. A chemical reaction in which a compound breaks down into two or more simpler substances
  3. Color of copper(II) oxide
  4. Gain of oxygen or loss of hydrogen.
  5. Substances that undergo chemical change in the reaction

11 Clues: Color of copper(II) oxide • loss of oxygen or gain of hydrogen. • Gain of oxygen or loss of hydrogen. • Substances that undergo chemical change in the 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 • ...

Cell energy crossword 2022-04-10

Cell energy crossword crossword puzzle
Across
  1. Where chlorophyll is found
  2. Energy being released from chemical reaction
  3. Where Krebs cycle and ETC take place
  4. Requires oxygen
  5. Opening on leaf where plants exchange gases
  6. Reaction that takes larger molecules and breaks them down to smaller ones
  7. Reflects orange and yellow
  8. b Reflects yellow
  9. cycle AKA dark reaction
  10. What photosynthesis is stored as
Down
  1. Reaction that makes larger molecules from smaller ones
  2. Does not require oxygen
  3. Process where plants and plant like organisms make their energy from sunlight
  4. acid Type of fermentation that makes muscles tired
  5. Abbreviation for Adenosine Triphosphate
  6. Where glycolysis takes place
  7. Type of fermentation that produces ethanol
  8. a Reflects green
  9. Energy entering during chemical reaction
  10. Folds inside Mitochondria
  11. Occurs when O2 is not present

21 Clues: Requires oxygen • a Reflects green • b Reflects yellow • Does not require oxygen • cycle AKA dark reaction • Folds inside Mitochondria • Where chlorophyll is found • Reflects orange and yellow • Where glycolysis takes place • Occurs when O2 is not present • What photosynthesis is stored as • Where Krebs cycle and ETC take place • Abbreviation for Adenosine Triphosphate • ...

Chemistry Vocabulary 2025-04-30

Chemistry Vocabulary crossword puzzle
Across
  1. reaction that is usually cold
  2. change when a substance changed into another
  3. something that has 2 or more elements
  4. absorbs heat and energy
  5. how hot or cold something
  6. To do something or work
  7. When you touch a pan you feel what
  8. amount of matter something has
  9. The basic unit
  10. property Looks, weight,shape
  11. The type of science were learning about right now
  12. atoms bonded together
Down
  1. The original chemicals in the reaction
  2. A substance made from mixing things together
  3. The attraction force between molecules
  4. The amount of space something takes up
  5. Speeds up a chemical reaction
  6. Has a weight and takes of space
  7. change a change in appearance
  8. property how a substance can react or change
  9. the outcome or reaction to an situation
  10. the result of an action

22 Clues: The basic unit • atoms bonded together • absorbs heat and energy • To do something or work • the result of an action • how hot or cold something • property Looks, weight,shape • reaction that is usually cold • Speeds up a chemical reaction • change a change in appearance • amount of matter something has • Has a weight and takes of space • When you touch a pan you feel what • ...

Interactions of Matter 2018-10-18

Interactions of Matter crossword puzzle
Across
  1. his arrangement of elements became known as the periodic table
  2. elements that have some properties of metals and some properties of nonmetals
  3. number written below and to the right of chemical symbols
  4. positively charged particle
  5. smallest particle into which an element can be divided
  6. at higher ________________, there are more reactants in a given volume
  7. number number of protons in the nucleus of an atom
  8. number placed in front of a chemical formula
  9. gases found in Group 18
  10. able to be formed into different shapes
  11. element from atomic number 90 to atomic number 103
  12. substance formed in a chemical reaction
  13. substance that changes the rate of a chemical reaction without being used up
  14. neutral particle found in the nucleus
  15. small, dense center of an atom
Down
  1. a type of catalyst found in living things
  2. shiny and conduct heat and electricity well
  3. reaction that releases energy
  4. particles move ___________ at higher temperatures
  5. metals found in Group 1
  6. atoms that have the same number of protons but different numbers of neutrons
  7. poor conductors of heat and electricity
  8. substance that participate in a chemical reaction
  9. reaction that required an input of energy
  10. vertical column of elements
  11. symbol abbreviation for an element
  12. negatively charged particle
  13. can be made into wires
  14. horizontal row of elements
  15. number total number of protons and neutrons in an atom’s nucleus

30 Clues: can be made into wires • metals found in Group 1 • gases found in Group 18 • horizontal row of elements • positively charged particle • vertical column of elements • negatively charged particle • reaction that releases energy • small, dense center of an atom • symbol abbreviation for an element • neutral particle found in the nucleus • poor conductors of heat and electricity • ...

Chapter 2 crossword 1 2014-11-18

Chapter 2 crossword 1 crossword puzzle
Across
  1. A homogeneous mixture of two or more substances, which may be solids, liquids, gases, or a combination of these
  2. a positive charge and a mass of about 1 amu
  3. the fixed amount of energy
  4. any chemical reaction that involves the gaining of electrons
  5. the disconnection or separation of something from something else or the state of being disconnected
  6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  7. a reaction that loses energy during the process of the reaction
  8. a solution containing either a weak acid and a conjugate base or a weak base and a conjugate acid
  9. solution in which the solvent is water
  10. has no charge and a mass that is approximately the same as that of a proton
Down
  1. consists of an oxygen and a hydrogen atom held together by a covalent bond, and carries a negative electric charge
  2. the maximum amount of solvent has been dissolved
  3. a chemical substance that neutralizes alkalis, dissolves some metals
  4. anything that has mass
  5. Mental strength of an organism
  6. include all chemical reactions in which atoms have their oxidation state changed
  7. Material made up of two or more parts or elements Electron
  8. bonding between a non-metal and a metal
  9. a substance that takes part in and undergoes change during a reaction.
  10. That which binds, ties, fastens,or confines
  11. the basic unit of a chemical element

21 Clues: anything that has mass • the fixed amount of energy • Mental strength of an organism • the basic unit of a chemical element • solution in which the solvent is water • bonding between a non-metal and a metal • a positive charge and a mass of about 1 amu • That which binds, ties, fastens,or confines • the maximum amount of solvent has been dissolved • ...

ipc unit 4 vocab -mel reyes 2021-10-22

ipc unit 4 vocab -mel reyes crossword puzzle
Across
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. an arrow that is placed after the reactant or reactants.
  3. reaction a chemical reaction in which one element replaces another in a compound.
  4. a character, usually a letter or number, that's printed slightly below and to the side of another character.
  5. a substance that enters into and is altered in the course of a chemical reaction.
  6. reaction occur when parts of two ionic compounds are exchanged, making two new compounds.
  7. a constant term related to the properties of a product.
  8. identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.
Down
  1. states that in a chemical reaction mass is neither created nor destroyed.
  2. reactions that occur when two different atoms or molecules interact to form a different molecule or compound.
  3. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
  4. a substance that is present at the end of a chemical reaction.
  5. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance, usually in moles, of each reactant and product.

13 Clues: a constant term related to the properties of a product. • an arrow that is placed after the reactant or reactants. • a substance that is present at the end of a chemical reaction. • states that in a chemical reaction mass is neither created nor destroyed. • a reaction in which a compound breaks down into two or more simpler substances. • ...

Chemistry Ch 16 & 17 Review 2022-03-16

Chemistry Ch 16 & 17 Review crossword puzzle
Across
  1. the study of the transfer of energy as heat that accompany chemical reactions and physical changes
  2. used to measure the energy absorbed or released as heat in a chemical or physical change
  3. the power to which a reactant concentration is raised is called the (blank) in that reactant
  4. the amount of energy required to raise the temperature of 1g of a substance by 1 degree celsius is the (blank) heat
  5. the enthalpy change that occurs when one mole of a compound is formed from its elements in their standard state is the (blank) enthalpy of formation
  6. absorbs heat
  7. the overall enthalpy change in a reaction is equal to the sum of enthalpy for the individual steps in a process is whose law?
  8. a measure of the average kinetic energy of the particles in a sample of matter
  9. the step-by-step sequence of reactions by which the overall chemical change occurs
  10. species that appear in some steps but not in the net equation
  11. the change in concentration of reactants per unit time as a reaction proceeds is the reaction (blank)
  12. the area of chemistry that is concerned with reaction rates and reaction mechanisms is called chemical (blank)
  13. an equation that relates reaction rate and concentrations of reactants is called the rate (blank) for the reaction
Down
  1. the minimum energy required to transform the reactant into an activated complex
  2. this slowest-rate step is called the rate-(blank) step for the chemical reaction
  3. the amount of energy absorbed by a system as the heat during a process at constant pressure is the (blank) change
  4. a reaction whose reactants and products exist in a single phase
  5. the combined enthalpy-entropy function of the system; also called Gibbs (blank) energy
  6. the action of a catalyst
  7. the SI unit of heat as well as all other forms of energy
  8. an equation that includes the quantity of energy released or absorbed as head during the reaction as written
  9. the enthalpy change that occurs during the complete combustion of one mole of a substance is the enthalpy of (blank)
  10. a reaction where the reactants are in two different phases
  11. releases heat
  12. the energy transferred between samples of matter because of the difference in their temperatures
  13. a measure of the degree of randomness of the particles, such as molecules, in a system
  14. a substance that changes the rate of a chemical reaction without itself being permanently consumed
  15. the set of assumptions regarding collisions and reactions

28 Clues: absorbs heat • releases heat • the action of a catalyst • the SI unit of heat as well as all other forms of energy • the set of assumptions regarding collisions and reactions • a reaction where the reactants are in two different phases • species that appear in some steps but not in the net equation • a reaction whose reactants and products exist in a single phase • ...

Science 2018-02-05

Science crossword puzzle
Across
  1. / Two or more substances that are physically combined
  2. / Made of one type of atom
  3. / more than one atom
  4. / The new substance that is formed in a chemical reaction.
  5. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  6. / Visibly different substances
Down
  1. / Anything that has mass or volume
  2. / Two or more atoms
  3. / All substances are the same throughout
  4. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  5. Property / Observable,can be measured
  6. Reaction / Causes chemical change when one or more substances change to form one or more new substances.

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. / Visibly different substances
  2. / All substances are the same throughout
  3. Reaction / Causes chemical change when one or more substances change to form one or more new substances.
  4. / more than one atom
  5. Property / Observable,can be measured
  6. / Two or more atoms
  7. / Anything that has mass or volume
Down
  1. / Two or more substances that are physically combined
  2. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  3. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  4. / The new substance that is formed in a chemical reaction.
  5. / Made of one type of atom

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  2. / All substances are the same throughout
  3. / Visibly different substances
  4. / Two or more atoms
  5. Property / Observable,can be measured
  6. Reaction / Causes chemical change when one or more substances change to form one or more new substances.
  7. / The new substance that is formed in a chemical reaction.
Down
  1. / Two or more substances that are physically combined
  2. / Anything that has mass or volume
  3. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  4. / more than one atom
  5. / Made of one type of atom

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Science Crossword Puzzle 2018-02-05

Science Crossword Puzzle crossword puzzle
Across
  1. / Two or more substances that are physically combined
  2. / Visibly different substances
  3. / more than one atom
  4. / The substance in a chemical reaction that undergoes change. The ingredients of the reaction.
  5. Reaction / Causes chemical change when one or more substances change to form one or more new substances.
  6. / The new substance that is formed in a chemical reaction.
  7. / Made of one type of atom
Down
  1. / All substances are the same throughout
  2. / Anything that has mass or volume
  3. Reaction / A chemical reaction the absorbs heat (gets colder) as it reacts.
  4. / Two or more atoms
  5. Property / Observable,can be measured

12 Clues: / Two or more atoms • / more than one atom • / Made of one type of atom • / Visibly different substances • / Anything that has mass or volume • Property / Observable,can be measured • / All substances are the same throughout • / Two or more substances that are physically combined • / The new substance that is formed in a chemical reaction. • ...

Nature of Chemical Reactions 2024-12-28

Nature of Chemical Reactions crossword puzzle
Across
  1. A reaction where the reactants, an element and a compound, takes the place of another element in a compound.
  2. An oxidation reaction of an organic compound that releases heat.
  3. In this kind of reaction, a single compound breaks down to form two or more simpler substances.
  4. The process in which an electric current is used to produce a chemical reaction, such as the decomposition of water is known as?
  5. Reactions that release energy are?
Down
  1. When a chemical reaction takes place the results are _______________ from the substances you started with
  2. What forms when gas is produced during a reaction?
  3. What are the substances you end up with known as?
  4. the energy released when a chemical compound reacts to produce new compounds is _________ energy.
  5. Reactants turn into products by rearranging these...
  6. Reactions that absorb energy are?
  7. What is released when a reaction produces heat or light?
  8. The substances you start with are known as?
  9. In this kind of reaction, 2 or more substances combine to form a new compound.
  10. A reaction in which a gas, a solid, or a molecular compound forms from the exchange of atoms or ions between two compounds. Two things will replace each other.
  11. What forms when a new solid substance appears in a liquid mixture during a reaction?

16 Clues: Reactions that absorb energy are? • Reactions that release energy are? • The substances you start with are known as? • What are the substances you end up with known as? • What forms when gas is produced during a reaction? • Reactants turn into products by rearranging these... • What is released when a reaction produces heat or light? • ...

Enzymes 2021-10-22

Enzymes crossword puzzle
Across
  1. enzyme has bound to substrate
  2. enzyme ___ determines its activity
  3. Enzymes are an example of a functional ___
  4. enzymes end in ___
  5. coenzymes are ___ molecules that are required by certain enzymes to carry out the chemical reaction.
  6. site on enzyme able to bond to a substrate
  7. forms a ccovalent bond with an enzyme, permanently blocking the substrate
  8. theory that the active site is rigidly shaped for one substrate
  9. ___ are organic catalysts
  10. substance that speeds up a chemical reaction
  11. must be held constant in order for the enzyme to properly function
  12. model where enzymes are partially flexible
Down
  1. cofactors are often classified as ___ substances
  2. measures random molecular motion
  3. forms temporary bond with enzyme that slows the reaction rate
  4. Increase the rate of enzyme catalyzed reactions
  5. slow the rate of enzyme catalyzed reactions
  6. inhibitor that competes for the enzyme's active site
  7. reactant in an enzyme-substrate reaction
  8. final result of a chemical reaction

20 Clues: enzymes end in ___ • ___ are organic catalysts • enzyme has bound to substrate • measures random molecular motion • enzyme ___ determines its activity • final result of a chemical reaction • reactant in an enzyme-substrate reaction • Enzymes are an example of a functional ___ • site on enzyme able to bond to a substrate • model where enzymes are partially flexible • ...

Chapter 6 Metabolism Energy and Enzymes 2024-03-08

Chapter 6 Metabolism Energy and Enzymes crossword puzzle
Across
  1. A substance that is formed as the result of a chemical reaction
  2. The minimum quantity of energy which the reacting species must possess in order to undergo a specific reaction
  3. A molecules that is involved in transferring and providing cells with energy
  4. A substance that acts as a catalyst in living organisms
  5. A chemical reactions where the change in the free energy is negative
  6. The source of energy for use and storage at the cellular level
  7. The breakdown of complex molecules in living organisms to form simpler ones
  8. The specific region of an enzyme where a subtrate binds and catalysis takes place where chemical reactions occur
  9. A non-Protein chemical compound that is bound to a protein and is required for the proteins biological activity
  10. Energy which a body possesses by virtue of being in motion
  11. A biochemical process in metabolism where the simple molecules combine to generate complex molecules
  12. Energy is the capacity for doing work
  13. The whole sum of reactions that occur throughout the body within each cell
  14. A molecule required by a particular enzyme to carry out catalysis of a chemical
  15. A subtrate binds to an active site and both change shape slightly, creating an ideal fit for catalysis
  16. The energy possessed by a body by a virtue of it;s position relative to others, stresses within itself, electric charge, and other factors
  17. Organic substances that are generally classified as either fat soluble or water soluble
Down
  1. reaction that involves the transfer of electrons between chemical species
  2. A reaction in which energy is absorbed
  3. The cellular machinery responsible for making proteins
  4. A chemical reactions having a common intermediate in which energy is transferred from one side of the reaction to others
  5. Substances initially present in a chemical reaction that are consumed during the reaction
  6. Occurs when certain substances called inhibition, bind to and inactivate enzymes
  7. A set of scientific laws which define a group of physical quantities
  8. The chemical reactions in the bodies cells that change food into energy
  9. A thermodynamic quantity representing the unavailability of a systems thermal energy for conversion into mechanical work
  10. A thermodynamics quantity equivalent to the capacity of a system to do work

27 Clues: Energy is the capacity for doing work • A reaction in which energy is absorbed • The cellular machinery responsible for making proteins • A substance that acts as a catalyst in living organisms • Energy which a body possesses by virtue of being in motion • The source of energy for use and storage at the cellular level • ...

Chemistry Crossword 2014-05-14

Chemistry Crossword crossword puzzle
Across
  1. a numerical scale ranging from 0-14 that is used to compare the acidity of solutions
  2. The rapid reactions of a substance with oxygen to produce oxides and energy
  3. The breakdown of a metal resulting from reactions with chemicals in its environment
  4. A molecule consisting of only two atoms of either the same or different elements
  5. A reaction in which a larger or more complex molecule breaks down to form two (or more) simpler products
  6. A bond that results from the sharing of outer electrons between non-metal atoms
  7. A solid formed from the reaction of 2 solutions
  8. An aqueous solution that conducts electricity, tastes sour, turns blue litmus red, and neutralizes bases
  9. The elements in the 17th column of the periodic table
  10. A chemical, present at the start of a chemical reaction, that is used up during the reaction
Down
  1. A particle in which atoms are joined by covalent bonds
  2. A measure of how acidic or basic a solution is
  3. Neither acidic nor basic
  4. A way of describing a chemical reaction using the chemical formulas of the reactants and products
  5. A charged particle that results when an atom gains or loses one or more electrons
  6. A row of elements in the periodic table
  7. A chemical that is produced during a chemical reaction
  8. A column of elements in the periodic table with similar products
  9. An aqueous solution that conducts electricity and turns red litmus blue
  10. A description of what a substance does as it changes into one or more new substance(s)
  11. An ion made up of more than 1 atom that acts as a single particle
  12. A compound that separates into ions when it dissolves in water, producing a solution that conducts electricity

22 Clues: Neither acidic nor basic • A row of elements in the periodic table • A measure of how acidic or basic a solution is • A solid formed from the reaction of 2 solutions • The elements in the 17th column of the periodic table • A particle in which atoms are joined by covalent bonds • A chemical that is produced during a chemical reaction • ...

Reaction Rate in Chemistry 2022-08-18

Reaction Rate in Chemistry crossword puzzle
Across
  1. By adding this to a reaction it will speed it up
  2. Shaking or stirring
  3. A way to speed up the reaction rate is to increase the c................. of reactants
  4. What is produced in a chemical reaction
  5. The speed at which a reactant disappears or a new product forms
  6. change A sign of a chemical reaction
  7. The more of these will increase the reaction rate
Down
  1. The opposite of dilution
  2. A sign of a chemcial reaction
  3. A smell produced by a chemical reaction
  4. A substance that increases the rates of reaction but does not get used up in the reaction
  5. The substances on the left hand side of a word equation in a chemical reaction
  6. By crushing up the reactant i am reducing

13 Clues: Shaking or stirring • The opposite of dilution • A sign of a chemcial reaction • change A sign of a chemical reaction • A smell produced by a chemical reaction • What is produced in a chemical reaction • By crushing up the reactant i am reducing • By adding this to a reaction it will speed it up • The more of these will increase the reaction rate • ...

Chemistry Vocabulary 2025-05-09

Chemistry Vocabulary crossword puzzle
Across
  1. Type of bond formed by sharing electrons
  2. physical blend of two or more substances
  3. table Chart organizing elements by atomic number and properties
  4. Center of an atom containing protons and neutrons
  5. Atoms of the same element with different neutrons
  6. Negatively charged particle
  7. Element with properties of metals and nonmetals
  8. Small number showing how many atoms in a compound
  9. Substance formed in a chemical reaction
  10. Electrons in the outermost shell
  11. Basic unit of a chemical element
Down
  1. Definite volume and takes shape of container
  2. type of charge forming new substances
  3. Amount of matter in object
  4. mass per unit
  5. substance present before a chemical reaction
  6. Substance that speeds up a reaction without being consumed
  7. has definite shape and volume
  8. Atom or molecule with a charge
  9. scale used to measure acidity
  10. Mixture of metals

21 Clues: mass per unit • Mixture of metals • Amount of matter in object • Negatively charged particle • has definite shape and volume • scale used to measure acidity • Atom or molecule with a charge • Electrons in the outermost shell • Basic unit of a chemical element • type of charge forming new substances • Substance formed in a chemical reaction • ...