Across
- 3. -reaction in which two ionic compounds in solution are combined, can produce a precipitate, water, or a gas
- 5. -SI unit for quantity equal to 6.022 x 10^23 units of that substance
- 7. -the gain of electrons by the atoms of a substance in a chemical reaction
- 9. -reaction in which one element replaces another element in a compound
- 11. -the mass in grams of one mole of a substance
- 12. -reaction that requires energy input in the form of light, thermal energy or electricity in order to proceed
- 13. -the loss of electrons from the atoms of a substance in a chemical reaction
- 15. -process in which one or more substances are changed into new substances
- 16. -shorthand method used to describe chemical reactions using chemical formulas and other symbols
- 17. -reaction in which two or more substances combine to form a different substance
Down
- 1. -in a chemical reaction, the substance that reacts
- 2. -number in a chemical equation that represents the number of units of each substance taking part in a chemical reaction
- 3. -reaction in which one substance breaks down into two or more substances
- 4. -reaction that occurs when a substance reacts with oxygen to produce energy in the form of heat and light
- 6. -in a chemical reaction, the new substance or substances formed
- 8. -reaction that releases some form of energy, such as light or thermal energy
- 10. -insoluble compound that is formed in a solution during a double-displacement reaction
- 12. -reaction in which energy is primarily given off in the form of thermal energy
- 14. -reaction that requires thermal energy to proceed