Nuclear Radiation. Half-Life. What is Radiation?. Penetrating rays and particles emitted by a radioactive source Result of a nuclear reaction! Involves the changing of the atoms nuclei. Radioisotopes. Isotopes Elements with the same # of protons & electrons, but a different # of neutrons!
Nuclei are changed to become stable
Involve large amounts of energy being emitted
Not affected by anything & cannot be stopped
Attractive force between protons & neutrons that are really close together in the nucleus