Across
- 2. to form 4 atoms in one unit
- 6. half filled configuration
- 8. halogen
- 9. loss electrons
- 10. diatomic molecule with triplebond
Down
- 1. has several allotopes
- 3. methaloid
- 4. group VI has 6 valence electrons
- 5. element in group 1 and period 3
- 7. group IA in periodic table