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