Across
- 2. element with negative charge gain electrons
- 4. lives on energy levels and has a negative charge
- 6. element with positive charge lost electrons
- 7. color with the least amount of energy
- 9. a different version of the same element
- 11. found in the nucleus with no charge
- 12. telling valence electrons on periodic table
Down
- 1. color with the most or highest energy
- 3. light, energy released
- 5. relationship between energy and frequency
- 8. relationship between wavelength and frequency
- 9. a element with a charge - or +
- 10. subatomic particle that has a positive charge
