1A 8A H 2A 3A 4A 5A 6A 7A He BCNOF N Li Be 1B 2B AI Si P S CI Ar Na Mg 3B 48 58 6B 7B e K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr V 2r Nb Mo Te Ru Rh Pd Ag Ca In Sn Sb Te Xe CS Ba La H Ta w Re Os Ir Pt Au Hg T Pb Bi Po At Rn Fr Ra Ac Rf Ha Ce Pr Nd Pm Sm Eu 6d Tb Dy Ho Er Im Yb Lu Th Pa U Np Pu Am Cm Bk C Es Fm Md No Lr Amonatomic ion with a charge of -2 has an electronic configuration of ls22s22p3s^3p6 This ion is a(n) What is the chemical symbol of the noble gas this ion is isoelectronic with? What is the formula of the ion?
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