Across
- 2. A number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound.
- 3. what you end with after a chemical reaction
- 5. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
- 6. the amount of matter in an object
- 7. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
Down
- 1. Matter is neither created nor destroyed
- 4. What you start with in a chemical reaction