Radioactive emissions
There are three main types of Radiation that is able to remove electrons from atoms or molecules to produce positively charged particles called ions. emitted from the unstable The central part of an atom. It contains protons and neutrons, and has most of the mass of the atom. The plural of nucleus is nuclei. of An atom that has unstable nuclei that can break apart or change, releasing radiation.. These are alpha, beta and gamma radiation.
Alpha radiation
Alpha radiation consists of Subatomic particle comprising two protons and two neutrons (the same as a helium nucleus).. An alpha particle is identical to the nucleus of a helium atom, which comprises two Subatomic particle with a positive charge and a relative mass of 1. The relative charge of a proton is +1. and two Uncharged subatomic particle, with a mass of 1 relative to a proton. The relative charge of a neutron is 0..
Helium atom
- 2 protons
- 2 neutrons
- 2 electrons
Alpha particle
- 2 protons
- 2 neutrons
- 0 electrons
Beta radiation
Radiation caused by beta particles (high-energy electrons). A beta particle is an electron ejected from a nucleus when a neutron becomes a proton. consists of high-energy Subatomic particle, with a negative charge and a negligible mass relative to protons and neutrons. emitted from the nucleus. These electrons have not come from the electron shells or energy levels around the nucleus. Instead, they form when a neutron splits into a proton and an electron. The electron then shoots out of the nucleus at high speed, leaving the new proton behind in the nucleus.
Gamma radiation
Gamma Energy carried by particles from a radioactive substance, or spreading out from a source. is very short The length of a single wave, measured from one wave peak to the next., high The number of waves produced each second. The unit of frequency is hertz (Hz). Energy travelling as waves in the form of changing electrical and magnetic fields.. This is similar to other types of electromagnetic radiation, such as visible light and X-rays, which can travel long distances.