Across
- 2. Reactant ions exchange places to from new products
- 3. One element is replaced by another in a compound
- 5. Chemical species breaks down into smaller parts
- 6. Substance used to in the start of a chemical reaction
- 8. Species formed by reactants
- 9. Substance reacts with oxygen gas
Down
- 1. Symbolic representation of chemical reaction. Reactants on the left, products on the right
- 4. Two reactants combine to from one product
- 7. Ordering system for elements