Across
- 4. Something that starts multiple reactions.
- 6. The mass of an atom.
- 9. The division of an atom.
- 10. Two atoms fusing together.
- 12. Releases a electron.
- 14. An Atom with a different mass number than what's on the periodic table.
Down
- 1. Releases a wave of energy.
- 2. The number of protons and Neutrons in a nucleus.
- 3. The decay of an atom.
- 5. A atom that has a neutral charge.
- 7. A small dense region in the center of an atom.
- 8. How long the Atom will survive until half of it decays.
- 11. A helium atom is released.
- 13. A positively charged atom.