Across
- 3. A material made up of two or more parts
- 4. bonds A bond between two or more atoms
- 5. A tiny piece of something
- 7. The ability to do work
- 8. One of the four substances (earth, water, air, or fire)
- 11. Atomic particle with no charge
- 12. The smallest unit of an element
Down
- 1. bond A weak bond between two molecules
- 2. bonds A chemical bond in which one atom loses
- 6. Atomic particle with a negative charge
- 9. Its everywhere and takes up space
- 10. Atomic particle with a positive charge