Upon formation of the H2 molecule, the shared electrons must have opposite spin, so they are shown with opposite spin in the atomic 1s orbital. Combined with the two electrons in the cov...Upon formation of the H2 molecule, the shared electrons must have opposite spin, so they are shown with opposite spin in the atomic 1s orbital. Combined with the two electrons in the covalent bond, each F atom follows the octet rule. Use the periodic table to determine the number of valence electrons for each atom and the total number of valence electrons.
