Across
- 2. the number of neutrons in a Silicon atom with a mass of 28
- 4. the charge on an atom that has lost electrons
- 6. a positively charged ion
- 7. The element with the atomic mass of 87.62 (approx)
- 10. the number of protons in a lithium ion
- 11. the group of elements that are most stable (just the first word)
- 12. the number of electrons on the element B if it has a charge of -2
Down
- 1. the charge on an atom that has gained electrons
- 3. The element with 22 electrons when in a stable (non-ionic) form
- 5. a negatively charged ion
- 8. the number of protons in a Magnesium ion that has a charge of +2
- 9. the outer shell of electrons on an atom