| A ____ particle is a high-speed electron emitted by nuclei. |
2 |
| An ____ particle consists of two protons and two neutrons. |
8 |
| Tritium (two neutrons) is ____ than deuterium (one neutron). |
alpha |
| Nuclei ____ during nuclear fission reactions. |
beta |
| A ____ counter is used to detect ionizing radiation. |
Geiger |
| Carbon-14 has 6 protons and ____ neutrons. |
geological |
| Uranium-238 is used to date ____ samples (rocks, meteorites). |
heavier |
| All helium isotopes have ____ protons. |
split apart |
