Across
- 3. what ratio of sodium to chloride ions
- 5. share electrons
- 7. positive charge
- 9. formula for a chemical compound
Down
- 1. bonds between nonmetals and metals
- 2. creates a new substance
- 4. negative charge
- 6. how an atom wants a complete valence electron
- 8. has three particles: protons, neutrons, and electrons
- 10. group of atoms held together with a chemical compound