Across
- 2. Atomic model that made the entire atom positive with spots of negative charges.
- 7. Moderately reactive metal group with 2 valence electrons.
- 8. Positively charged ion.
- 12. Highly reactive metal group that has one valence electron.
- 13. electrons found in the outermost shell of an electron
- 15. Has the same number of protons but different neutron number.
- 16. s,p,d,f
- 18. This group has a full valence shell and is unreactive to other elements.
- 19. The process when and atom loses or gains an electron(s).
Down
- 1. A bond between a anion and cation.
- 2. Rutherford's Gold Foil Experiment discovered this...
- 3. Positively charged subatomic particle.
- 4. Used to bombard the gold foil in Rutherford's Lab
- 5. 1s2s2p3s3p4s3d4p5s4d5p
- 6. Total number of protons and neutrons in an atom.
- 7. Negatively charged ion.
- 9. Ionic name for chlorine.
- 10. Used the gold foil experiment to discover the nucleus.
- 11. Subatomic particle with a negative charge.
- 14. Highly reactive nonmetal group that includes chlorine.
- 17. Subatomic particle with no charge.