hcbiochem
TeF4 will be sp3d hybridized which gives 5 orbitals. Four of those will be involved in bonds with F, and one will have an unshared pair of electrons.
TeF6 will be sp3d2 hybridized with 6 orbitals.
So, C shows that. The first is sp3d hybridized and the second is sp3d2 hybridized.