Answer to Question #229285 in Inorganic Chemistry for David Gio

Question

How does the idea of spin pairing appear essential in the valence
bond approach to the H2 molecule ?

Answer 1

Valence Bond theory describes covalent bond formation as well as the electronic structure of molecules. The theory assumes that electrons occupy atomic orbitals of individual atoms within a molecule, and that the electrons of one atom are attracted to the nucleus of another atom.