Q. What is the name of element with atomic number 105?
A) Kurchatovium
B) Dubnium
C) Nobelium
D) Holmium
Explanation
(b)
The element with atomic no. 105 is Dubnium. In IUPAC nomenclature, it is known as Un-nil-pentin.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.