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The number of electrons in bonding orbital and anti-bonding orbital of Lithium molecule are ______ and _______ respectively.(a) 4, 4(b) 2, 2(c) 2, 4(d) 4, 2The question was posed to me in my homework.Question is from Bonding in Some Homonuclear Diatomic Molecules in chapter Chemical Bonding and Molecular Structure of Chemistry – Class 11

Answer»

Right choice is (d) 4, 2

The explanation is: The lithium molecule is denoted by LI2. When the lithium molecule is formed, each of the lithium shares an electron in the 2s ORBITAL. Its ELECTRONIC configuration is σ1s^2σ*1s^2σ2s^2. So the NUMBER of electrons in bonding orbital and anti-bonding orbital of Lithium molecule are 4 and 2respectively.



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