Across
- 1. having two molecules
- 5. represents the outermost shell of electrons
- 8. a net charge
- 9. cobalt
- 10. transfer of atoms
- 11. group of atoms bonded together
Down
- 2. sharing pairs
- 3. not shared
- 4. phosphate. PO₄ -³
- 6. net electrical charge
- 7. a non positive charged ion