Question

The IUPAC names and the symbols of the elements with atomic numbers $126$ and $150$ are respectively:

• A. Undihexium, Udh and Unpentnilium, Upn
• B. Unbihexium, Ubh and Unpentnium, Upn
• C. Undihexium, Ubh and Unpentnium, Upn
• D. Unbihexium, Ubh and Unpentnilium, Upn

Answer 1

The correct option is D Unbihexium, Ubh and Unpentnilium, Upn

According to IUPAC nomenclature,
root for 0 is Nil
root for 1 is Un
root for 2 is Bi
root for 5 is Pent
root for 6 is Hex

Hence, the lUPAC names and the symbols of elements with atomic numbers $126$ and $150$ respectively are Unbihexium, Ubh and Unpentnilium, Upn.