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Identify the correct spatial part for the wave function of the bonding molecular orbital of the...

Identify the correct spatial part for the wave function of the bonding molecular orbital of the H2 molecule within the valence bond theory. A and B below to the 1s atomic orbital of the two hydrogen atoms and 1 and 2 refer to the electronic coordinates.

A) A(1)B(1) - A(2)B(2)

B) A(1)B(2) - A(2)B(1)

C) A(1)B(1) + A(2)B(2)

D) A(1)B(2) + A(2)B(1)

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