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Number of electrons in bonding or antibonding molecular orbitals of a species

This type of question, asked 2 times: 2021 Paper 17, 9 Apr 2024. All 2 questions below, oldest first.

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  1. Question 1

    2021 Paper 17

    55
    The total number of electrons in all bonding molecular orbitals of O22−O_{2}^{2 -} is (Round off to the nearest integer)

  2. Question 2

    9 Apr 2024

    149
    Total number of electron present in (π∗)\left( \pi^{*} \right) molecular orbitals of O2,O2+O_{2},O_{2}^{+}and O2−O_{2}^{-}is ____