C-14 is a natural isotope used for ____ dating. |
6 |
A ____ ray is a photon emitted by a radioactive substance. |
8 |
A ____ particle is a high-speed electron emitted by nuclei. |
beta |
A ____ counter is used to detect ionizing radiation. |
gamma |
All carbon isotopes (e.g. C-12 and C-14) have ____ protons. |
Geiger |
Carbon-14 has 6 protons and ____ neutrons. |
heavier |
C-12 is a stable isotope, whereas C-14 is a ____ isotope. |
radioactive |
Tritium (two neutrons) is ____ than deuterium (one neutron). |
radiocarbon |