Across
- 2. Chemically bonded substance made multiple elements
- 6. Substances that start a reaction
- 7. Releases energy
- 8. Anything that has both mass and volume
- 9. A pure substance
- 11. The smallest unit of an element
- 13. Substances formed during a reaction
- 14. Matter with constant composition
Down
- 1. The measure of space that is occupied
- 3. Mostly gases, brittle, poor conductors
- 4. Absorbs energy
- 5. Physically bonded substance made of multiple elements
- 8. Has properties of both metals and nonmetals
- 10. Solid, malleable, and ductile
- 12. A measure of the amount of matter