▁of ▁Rh ode ▁Island ▁Category : R h ode ▁Island ▁Republic ans ▁Category : Rep ublic an ▁Party ▁state ▁govern ors ▁of ▁the ▁United ▁States ▁Category : R h ode ▁Island ▁state ▁sen ators ▁Category : B rown ▁University ▁al umn i ▁Category : B ur ial s ▁at ▁Sw an ▁Point ▁C emetery <0x0A> </s> ▁Ph osph orus - 3 2 ▁( 3 2 P ) ▁is ▁a ▁radio active ▁is ot ope ▁of ▁ph osph orus . ▁The ▁nucle us ▁of ▁ph osph orus - 3 2 ▁contains ▁ 1 5 ▁pro tons ▁and ▁ 1 7 ▁neut rons , ▁one ▁more ▁neut ron ▁than ▁the ▁most ▁common ▁is ot ope ▁of ▁ph osph orus , ▁ph osph orus - 3 1 . ▁Ph osph orus - 3 2 ▁only ▁exists ▁in ▁small ▁quantities ▁on ▁Earth ▁as ▁it ▁has ▁a ▁short ▁half - life ▁of ▁ 1 4 . 2 9 ▁days ▁and ▁so ▁dec ays ▁rapidly . ▁ ▁Ph osph orus ▁is ▁found ▁in ▁many ▁organ ic ▁mole cules ▁and ▁so ▁ph osph orus - 3 2 ▁has ▁many ▁applications ▁in ▁medicine , ▁bio chem istry , ▁and ▁mole cular ▁bi ology ▁where ▁it ▁can ▁be ▁used ▁to ▁trace ▁ph osph ory l ated ▁mole cules ▁( for ▁example , ▁in ▁el uc id ating ▁met abol ic ▁path ways ) ▁and ▁radio act ively ▁label ▁DNA . ▁ ▁Dec ay ▁Ph osph orus ▁has ▁a ▁short ▁half - life ▁of ▁ 1 4 . 2 9 ▁days ▁and ▁dec