Question
Chemistry Question on Classification of elements & periodicity in properties
What is the name of the element with atomic number 105?
A
Kurchatovium
B
Dubnium
C
Nobelium
D
Holmium
Answer
Dubnium
Explanation
Solution
The element with atomic number 105 is Dubnium (Db). In IUPAC nomenclature it is known as Un-nil-pentium.