Shape of beryllium fluoride( BeF2) molecule Atomic number of Be = 4 Electronic configuration in ground state is 1s2 2s2 Electronic configuration in excited state is 1s2 2s1 2px1 one 2s orbital and one 2p orbital undergo sp hybridisation to form two half filled sp hybrid orbitals which are oriented at an angle of 180°. They overlap with the half filled orbitals of … [Read more...] about Shapes Of Molecules