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Radiation Physics
| Term | Definition |
|---|---|
| Atom | the basic unit of matter |
| Electron | the negatively charged particle in the atom |
| Energy | the ability to do work |
| Ion | an electron charged particle |
| Matter | anything that occupies space and has form or shape |
| Molecule | two or more atoms that are joined by chemical bonds |
| Photon | a minute (tiny) bundle of pure energy that has no weight ot mass |
| X-radiation | high-energy ionizing electromagnetic radiation |
| Nucleus | dense core, of the atom is composed or particles known as protons and neutrons |