Across
- 3. the measure of the quantity of matter.
- 4. Random kinetic energy possessed by objects in a material.
- 6. the number placed in front of a chemical equation.
- 7. in any chemical process, matter is neither lost or gained.(sometimes stated as matter is not created or destroyed).
- 8. this is the rate at which a substance undergoes a chemical change.
Down
- 1. a chemical equation where the number of atoms of each element are the same on both sides.
- 2. the number of atoms of a particular element in a chemical reaction.
- 5. the speed at which a chemical reaction occurs.