Across
- 2. Beta has a ____________ charge
- 3. Is an ejected electron from a neutron
- 7. Most of the radiation we encounter
- 10. Consists of two protons and two neutrons
- 11. Alpha has a __________ charge
Down
- 1. Is deflected in the _________ of magnetic or electric fields
- 4. has existed longer than the human race
- 5. Gamma Rays are more________ than alpha or beta rays
- 6. High-frequency electromagnetic radiation
- 8. Gamma has ________ charge
- 9. direction Is deflected in the _____________ to an alpha particle in the presence of magnetic or elctric field