Across
- 2. symbol is Ag
- 3. lose electrons
- 6. horizontal column
- 7. same number of protons but different number of neutrons
- 9. what charge does a proton have
- 10. protons
- 11. what charge does a electron have
- 15. element 2, 10, 18, 36, 54, 86
- 17. nucleus gives the identity with a positive charge
- 19. vertical column
- 20. protons, neutrons, electrons
Down
- 1. table of elements
- 4. gains electrons
- 5. protons + neutrons
- 8. capital and lower case letters
- 12. has one proton
- 13. elements that conduct electricity
- 14. atoms that have gained or lost electrons
- 16. fixed orbitals with a negative charge
- 18. neutral charge in the nucleus