Absorbed dose – describes the amount of radiation absorbed by an object or person (that is, the amount of energy…
Actinide: An element with atomic number of 89 (actinium) to 103. Usually applied to those above uranium – 93 up (also…
Acute Radiation Syndrome (ARS) (sometimes known as radiation toxicity or radiation sickness) is an acute illness caused by irradiation of the entire body (or most of the body)…
Alpha particle – A positively-charged particle emitted from the nucleus of an atom during radioactive decay. Alpha particles are helium nuclei,…
<p><a>Atom:</a> A particle of matter which cannot be broken up by chemical means. Atoms have a nucleus consisting of positively-charged protons…