He2 molecule cannot exist. why.
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This is so, because helium is already stable since it has completed it's duplet.
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He2 molecule cannot exist.
Reason:
➡️Based of molecular orbital theory He2 molecule cannot exist.
➡️There is no formation of chemical bond between the atoms.
➡️Helium have completely filled octet configuration so that have zero valency.
➡️ According to MOT ,the bond order and stabilization energy for helium is zero.
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