Across
- 3. a substance that has more than one element
- 4. a shine or glow of a surface
- 6. A element that has both non metal and metal properties
- 7. The study of how atoms correspond with each other to make new substances
Down
- 1. the little number that shows the amount of atoms an element has in a compound
- 2. something that can move energy
- 3. The number in front of a formula
- 5. something that takes up space and has mass
