Across
- 3. The rule that states an element is more stable with 8 valence electrons
- 4. The positive part of an atom
- 7. The bond between non-metals that share electrons
- 9. The bond that occurs between metals and non-metals
Down
- 1. The new substance formed when atoms of different elements bond
- 2. The neutral part of an atom
- 5. The negative part of an atom
- 6. The number of protons in one atom of an element
- 8. The average mass or weight of an element