Across
- 4. Calcium, Iron, Cobalt and Platinum are all ______?
- 7. relating to or composed of ions
- 8. Atomic number of 11.
- 12. _______ Shell.
- 13. Negatively charged ion.
Down
- 1. mass Protons + Neutrons = ___________
- 2. A positively charged subatomic matter
- 3. A negatively charged subatomic matter.
- 5. A regular spacing or arrangement of atoms/molecules within a crystal.
- 6. ________ are elements on the right of the periodic table.
- 9. any atom or group of atoms that bears one or more positive or negative electrical charges.
- 10. positively charged ion.
- 11. A neutral charged subatomic matter