Across
- 2. group of atoms held together by chemical bonds
- 3. uncharged particle
- 4. force that brings oppositely charged ions together
- 6. forms when atoms share one or more pairs of electrons
- 8. negative negatively charged particle
- 9. elements that are shiny and conduct heat and electricity well
Down
- 1. particle with positive or negative charge
- 2. forms between metal atoms when their outermost energy levels overlap
- 5. positively charged particles
- 7. poor conductors of heat and electricity