Across
- 2. Alpha decay occurs when there are too many what?
- 3. The element that is equivalent to alpha decay
- 6. A type of decay that emits an electron
- 7. The number of units the mass number changes during alpha decay
- 8. A particle consisting of two protons and two neutrons.
- 11. What the sum of the number of protons and neutrons are equal to.
- 12. The term used for an unstable isotope
Down
- 1. The alphabet where Alpha, Beta and Gamma come from
- 4. Atoms of the same element with different numbers of neutrons.
- 5. Beta decay occurs when there are too many what?
- 9. The term used for the number of protons in an element ___ number
- 10. A high-energy wave emitted during radioactive decay.
- 12. The term used for energy that travels in waves
