Across
- 3. tells us the number of electron shells
- 5. lightest noble gas
- 7. tells us the number of protons and identifies the element
- 8. negatively charged ion
- 10. positively charged ion
- 15. location of electrons
- 16. tells us the number of valence electrons
- 17. positive charged particle
Down
- 1. element with largest atomic radius
- 2. most reactive nonmetal
- 4. neutral charged particle
- 6. atom with a particular number of neutrons
- 9. number of protons + neutrons
- 11. atom with a charge
- 12. lightest atom
- 13. negative charged particle
- 14. location of protons and neutrons