Answer
See the explanation
Work Step by Step
1. Why are d orbitals sometimes used to form hybrid orbitals?
The d orbitals are sometimes used to form hybrid orbitals because they can participate in covalent bond formation, especially in elements with partially filled d subshells. The inclusion of d orbitals in the hybridization process can lead to the formation of more complex and stable molecular geometries, which is important in the chemistry of transition metals and some main group elements.
2. Which period of elements does not use d orbitals for hybridization?
The elements in the first and second periods (hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, and fluorine) do not use d orbitals for hybridization, as they do not have any d electrons available.
3. Which d orbitals would sulfur use to form hybrid orbitals requiring d atomic orbitals?
Sulfur is a third-period element, so it would use the 3d orbitals to form hybrid orbitals requiring d atomic orbitals.
4. Which d orbitals would arsenic use to form hybrid orbitals requiring d atomic orbitals?
Arsenic is a fourth-period element, so it would use the 4d orbitals to form hybrid orbitals requiring d atomic orbitals.
5. Which d orbitals would iodine use to form hybrid orbitals requiring d atomic orbitals?
Iodine is a fifth-period element, so it would use the 5d orbitals to form hybrid orbitals requiring d atomic orbitals.