Across
- 1. discovered the nucleus in 1911
- 4. discovered neutron in 1932
- 5. particle with no charge
- 6. I am in 4th group, 2nd period
- 9. atomic weight of 39.10
- 10. the physical state that an object has at room temp
- 13. ability to be stretched into long, thin wires
Down
- 2. particle with negative charge
- 3. atomic number of 12
- 7. atomic number of 18
- 8. ability to be worked into different shapes
- 11. smallest part of a substance
- 12. found in the nucleus with positive charge