Across
- 2. periodic table item
- 4. Table tables of elements
- 5. Electron electrons on the final shell
- 7. Bond sharing electrons
- 9. Reactions entering entering
- 11. form of an atom
- 12. circular path of particles
- 13. negative charge
- 16. consisting of several parts
- 18. column
Down
- 1. neutral particle
- 3. balance
- 6. Reactions exiting energy
- 8. positive particle
- 9. negative particle
- 10. it's never free of charge
- 11. Bond transfer of valence electrons
- 14. in an element
- 15. positive charge
- 17. row