Across
- 2. reaction between substances accompanied by heat and light in form of fire
- 4. when one reactant breaks down into two or more products
- 5. composed of two or more seperate elements
- 7. branch of science that deals with the properties, composition, and structure of elements and compounds
- 8. type of chemical reaction in which 2 or more simple substances combine to form a complex product
- 9. states that a certain physical property does not change over time
- 10. reaction in which one element replaces another
Down
- 1. reaction that occurs when two reactants exchange cations or anions to form new products
- 3. basic unit of chemistry
- 6. the relationship between the quantities of substances in a reaction/forming a compound