Across
- 4. an atom that carries an electrical charge are called
- 5. negative charge
- 6. abbreviations for elements that originated from Latin
- 8. has a positive charge
- 9. atomic symbol Au
- 10. how the weight of protons and neutrons is called
Down
- 1. an electron in the outer most energy level/shell
- 2. The number of protons for a given tom never change
- 3. no charge
- 7. person who made the best model