| All helium isotopes have ____ protons. |
2 |
| Carbon-14 has 6 protons and ____ neutrons. |
6 |
| Uranium-238 is used to date ____ samples (rocks, meteorites). |
8 |
| All carbon isotopes (e.g. C-12 and C-14) have ____ protons. |
alpha |
| Nuclei ____ during nuclear fission reactions. |
Geiger |
| Tritium (two neutrons) is ____ than deuterium (one neutron). |
geological |
| A ____ counter is used to detect ionizing radiation. |
heavier |
| An ____ particle consists of two protons and two neutrons. |
split apart |
