ChemistryMedium141×since 2002Q359According to molecular orbital theory, which of the following will not be a viable molecule?AHe22+{\rm H}e_2^{2 + }He22+BHe2+{\rm H}e_2^{ + }He2+CH2−{\rm H}_2^{- }H2−DH22−{\rm H}_2^{2 - }H22−Check answerSkip