Radioactive isotopes emit beta or gamma radiation ... when correction is made for radioactive decay; it is 10 to 45 per cent in euthyroid subjects and 30 to 90 per cent in hyperthyroid persons.

An alpha particle consists of two protons and two neutrons and is often described as a helium nucleus. It is not the same as a helium atom as it does not contain any electrons but it is written ...

For example, carbon-14 decays to nitrogen-14 when it emits beta radiation ... Different radioactive isotopes have different half-lives. For example, the half-life of carbon-14 is 5,730 years ...

Isotopes of natural uranium decay by emitting mainly alpha particles. The emission of beta particles and gamma radiations are low. The table below shows the average energies per transformation emitted ...

instead of being released freely like in regular beta decay. When this process occurs in isotopes like 205 T, it requires conditions similar to those that existed during the formation of our solar ...