Across
- 2. number 2 on the periodic table
- 5. how bounds are arranged in a compound
- 7. number 3 on the periodic table of elements
- 8. 2 atoms share one or more pairs of outer shell electrons
- 9. atoms tend to gain, lose, or share electrons to have 8 electrons
- 10. number 1 on the periodic table
Down
- 1. elements have different _____________.
- 3. measure of atom's attraction for the electrons it shares
- 4. the attractive force that holds atoms and ions together
- 6. bond formed between 2 ions