| A | B |
|---|
| alpha decay | This type of radiation is the least damaging and can be blocked by clothing. |
| atom | The basic unit of all matter. |
| atomic mass | The mass of the protons and nuetrons. |
| atomic number | This represents the number of protons. |
| beta decay | This type of radiation can be blocked by metal, if not blocked it may damage tissue. |
| electron | Negatively charged particle found outside the nucleus of an atom. |
| element | Made of the same type of atom. |
| gamma decay | The most dangerous type of radiation that would cause damage to your internal organs. |
| isotope | An element with varying amount of neutrons. |
| neutron | Neutrally charged particle found in the nucleus of an atom. |
| nucleus | Central portion of the atom that contains the atom's mass. |
| orbital | Name given to the area that the electrons are located in the Bohr model. |
| proton | Positively charged particle found in the nucleus of an atom. |
| radiation | The particles and energy released as a substance goes through radioactive decay. |
| radioisotope | Unstable isotopes due to their large nuclei. |
