Across
- 7. the rate at which reactants change into products over time
- 10. positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable
- 11. the SI unit of amount of substance
- 13. A reaction in which a single compound breaks down to form two or more simpler substances (AB-->A+B)
- 15. a chemical change in which one element replaces a second element in a compound (A+Bx-->Ax+B)
- 17. Proton (H+) acceptor
- 18. An ionic compound made up of a cation from a base and an anion from an acid
- 19. a chemical reaction in which each side of the equation has the same number of atoms of each element
- 21. a chemical compound that increases the concentration of hydrogen ions in an aqueous solution
Down
- 1. a chemical reaction in which one atom gains electrons while one atom loses electrons
- 2. the percent by mass of each element in a compound
- 3. the volume occupied by 1 mole of a gas at STP
- 4. an organic compound consisting of only hydrogen and carbon
- 5. the ratio of the actual yield to the theoretical yield for a chemical reaction
- 6. a measure of how much solute can dissolve in a given solvent at a given temperature
- 8. A substance produced in a chemical reaction
- 9. number of representative particles in a mole, 6.02x10^23
- 12. the principle that states that the total amount of matter is constant during any chemical or physical change, matter is neither created nor destroyed
- 14. A solid that forms from a solution during a chemical reaction
- 16. a chemical substance that is present at the start of a chemical reaction
- 20. a substance that increases the concentration of hydroxide ions in an aqueous solution