Across
- 4. processes in which chemical species break up into simpler parts
- 6. a chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions
- 7. a substance that enters into and is altered in the course of a chemical reaction
- 8. the numbers or terms used to balance chemical equations and are placed in front of a chemical symbol or formula
Down
- 1. reactions that occur when two different atoms or molecules interact to form a different molecule or compound
- 2. the species formed from chemical reactions
- 3. a reaction in which one element is substituted for another element in a compound
- 5. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame