Across
- 5. Two atom molecule
- 6. Represents a shell in the periodic table
- 8. A group of atoms with specific properties
- 9. Positive subatomic particle
- 11. A single type of atom
- 13. The Group 17 elements
- 15. Found in clouds around the nucleus
- 17. A group of charged atoms
- 18. Metal combines with a non-metal
Down
- 1. A region that can be filled with up to 2 electrons
- 2. Two non-metals combining
- 3. Represents the valence electrons in the outer shell
- 4. Accept electrons in ionic compounds
- 7. Indivisible particle
- 8. A single atom molecule
- 10. Neutral subatomic particle
- 12. Donate electrons in ionic compounds
- 14. The group one metals
- 16. Two or more types of atoms that form a substance
- 18. Charged atom