Across
- 6. tend to lose 2 electrons for a charge of +2
- 9. exceptions, the ion of the atoms will tend to have the same charge
- 10. last group on the periodic table
- 11. column on the Periodic Table; have similar valence electron arrangements; with
Down
- 1. tend to lose one electron for a +1 charge
- 2. gain one electron for an overall
- 3. how readily a substance undergoes a reaction
- 4. have the same number of electron shells
- 5. made of only one atom
- 7. of -1
- 8. has a different number of neutrons