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===About Unstable Isotopes===
: An [[isotope]] may be '''unstable''' if it ::*It has too many, [[neutron]]s:*It has too few [[neutron]]s or the :*The [[Atomic Nucleus|nucleus]] is too [[massive]].:*It has excess [[Vibrational Energy|vibrational energy]].
: An '''unstable [[isotope]]''' may [[Radioactive Decay|decay]] causing it to transmute into a new [[element]] or a more [[Stable Isotope|stable isotope]] of the same [[element]] by releasing a [[particle]] from the [[Atomic Nucleus|nucleus]].
: An '''unstable [[isotope]]''' may be too [[massive]] so it can lose an [[Alpha Particle|alpha particle]] to become a less [[massive]] [[element]] or it can split into two smaller, more [[Stable Isotope|stable]] [[element]]s in a process called [[Nuclear Fission|nuclear fission]].
: An '''unstable [[isotope]]''' may be [[vibrate|vibrating]] with excess [[energy]] so to lose this [[energy]] it will [[emit]] [[Gamma Radiation|gamma radiation]].