Across
- 3. A law that says that the amount of matter stays the same, even when matter changes form
- 5. A chemical process that absorbs heat from its surroundings
- 9. A chemical process that releases heat into its surroundings
- 10. The symbolic representation of a chemical reaction in the form of symbols and chemical formulas.
- 11. A chemical reaction in which one element replaces another in a compound
Down
- 1. A chemical reaction in which ions get exchanged between two reactants which form a new compound
- 2. The process or effect of simplifying a single chemical entity into two or more separate substances
- 4. A process that leads to the chemical transformation of one set of chemical substances to another
- 6. When the gas oxygen joins with another substance and produces heat and light
- 7. A chemical substance composed of many identical molecules containing atoms from more than one chemical element held together by chemical bonds
- 8. Two or more chemical species combine to form a single substance.