why He2 molecules does not exist?
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Answered by
1
Answer:
According to MOT;The bond order and stabilization energy of he2 molecule are zero. He2 molecule contains 4 electrons. ... This indicates that there is no bond formation between 2 HE atoms and hence the He2 molecule does not exist.
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Electronic configuration of He is 1s
2
.
Molecular Orbital Diagram for He
2
is
(Refer to Image)
Bond order=
2
(No. of electrons in bonding molecular orbital)-(No. of electrons in anti-bonding Molecular orbital)
=
2
2−2
=0
∴He 2 bond order is 0. There is no bond existing between atoms of He 2
. So He 2
does not exist.
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