Across
- 2. the ability of an atom to attract shared electrons
- 5. half the diameter of an atom
- 6. number of protons and neutrons in a atom
- 8. most reactive metal group
- 10. tells how many electrons an ion could have
- 11. tells us the fixed amount of energy an atom can have
- 12. the amount of energy needed to remove an electrons from an atom
- 13. number of protons in a atom
Down
- 1. form salts with metals
- 3. elements between groups 3 and 12
- 4. elements that have 8 valence electrons
- 7. an elements ability to gain, lose, or share electrons
- 9. electrons in the outer energy level