Radioactivity
A radioactivity is the spontaneous emission of matter or energy from the nucleus of an unstable atom (the emitted matter or energy is usually in the form of alpha or beta particles, gamma rays, or neutrons).
Related Articles | |
| Matter | ■■■ |
Matter is anything that has mass (the amount of material in an object) and takes up space. On the earth, . . . Read More | |
| Water | ■■■ |
Water is a liquid at normal temperatures but exists also solid (ice), and water vapor (cloud) in the . . . Read More | |
| Hydrocarbon | ■■■ |
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.[1] . . . Read More | |
| Atomic energy | ■■■ |
Atomic energy is energy released in nuclear reactions. When a neutron splits an atom's nucleus into smaller . . . Read More | |
| Gamma radiation | ■■■ |
A Gamma radiation is a short-wavelength electromagnetic radiation of nuclear origin, with energies between . . . Read More | |
| Tungsten at top500.de | ■■■ |
Tungsten is a chemical element with the symbol W and atomic number 74. It is a hard, dense, steel-gray . . . Read More | |
| Radon | ■■ |
Radon (Rn) is a cancer-causing radioactive gas found in many communities' ground water. Radon is a colorless, . . . Read More | |