Across
- 5. radioactive emission with biggest mass
- 8. splitting of atoms to create energy
- 10. radioactive decay occurs for an element to turn...
- 12. subatomic particle, identity of element
- 13. isotopes of radioactive elements
- 15. in a fusion reaction, matter is converted to...
Down
- 1. spontaneous decay of an atom
- 2. radioactive emission with no mass or charge
- 3. this nuclide has a half life of 5715 years
- 4. composed of protons and neutrons
- 6. what uses the symbol n
- 7. biggest nuclear meltdown the world has seen
- 9. a star dies when it builds up to much...
- 11. atoms smashed together to create energy
- 14. this is composed of hydrogen and helium