Across
- 1. Electromagnetic radiation emitted by an unstable nucleus during radioactive decay
- 4. The emission of energy as ionizing radiation
- 7. The process where a neutron changes into a proton and an electron
- 8. A tabular array of chemical elements organized by atomic number
- 9. A process where atoms are split apart, releasing energy
- 10. Subatomic particles found in the nucleus along with protons
- 11. The small, dense, spherical center of an atom
Down
- 2. A type of nuclear radiation consisting of particles with two protons and two neutrons.
- 3. An unstable form of a chemical element that emits radiation as it decays to become more stable.
- 5. A subatomic particle present in all atoms
- 6. A subatomic particle with a positive electrical charge.
- 9. A process where light atomic nuclei combine to form a heavier nucleus, releasing energy