| A | B |
|---|
| alpha radiation | This type of radiation has two protons and two neutrons |
| beta radiation | This type of radiation is really an electron |
| chain reaction | A series of continuous, rapid nuclear fissions |
| cloud chamber | A device used to observe the paths of alpha and beta particles |
| decay | The process by which the nucleus of an atom emits radiation. |
| decay series | When a radioactive element decays in several steps |
| gamma radiation | This type of radiation is very high energy and very dangerous. |
| geiger counter | A device tht measures the amount of radiation |
| half-life | The time it takes for 1/2 of a radioactive substance to decay |
| isotopes | Forms of the same element that differ in atomic mass |
| nuclear fission | The process of splitting an atomic nucleus into 2 or more parts |
| nuclear fusion | The process of combining 2 or more light nuclei to form 1 single nucleus |
| nuclide | An atom that has a specific number of protons and neutrons |
| radiation biology | The study of the effects of radiation on living tissue. |
| radioactive elements | Elements that emit invisible, high-energy radiation |
| transmutation | The changing of one element into another through decay |
