Across
- 3. a particle with a positive or negative charge
- 8. a group of atoms held together by chemical bonds
- 9. repeating three dimensional pattern
- 10. an interaction that holds atoms or ions together
Down
- 1. positively charged particles
- 2. forms between metal atoms when their outermost energy levels overlap
- 4. a force that brings oppositely charged ions together
- 5. negatively charged particles
- 6. forms when atoms share one or more pairs of electrons
- 7. ability to be formed into long, thin wires