Across
- 4. A type of nuclear radiation is an electron produced from the nucleus.
- 5. A material that can block alpha particles.
- 8. The charge on an alpha particle.
- 9. A type of nuclear radiation that is a electromagnetic wave.
- 10. The unit of radioactive dose.
Down
- 1. The part of the atom where radiation comes from.
- 2. Radioactive decay is a ______ process.
- 3. The charge on a beta particle.
- 4. The unit of radioactivity decay.
- 6. A type of nuclear radiation made from two protons and two neutrons.
- 7. A metal that can reduce gamma radiation.