Across
- 6. There are 118 of these found in and on Earth
- 8. This tells us the number of protons
- 10. The smallest form of matter
- 12. The person who first identified atoms
- 13. Subatomic particle with a positive charge
- 14. Subatomic particle with a negative charge
- 15. Thermal Energy is the energy of
Down
- 1. Two or more elements chemically combined
- 2. How scientists organize elements
- 3. We find this by adding protons & Neutrons
- 4. The connection between two elements
- 5. Where the protons and neutrons are found hehe
- 7. Crumpling paper is this type of change
- 9. Type of change that forms a new substance
- 11. Subatomic particle with no charge