D-And F-Block Elements Ques 412

Question: What is the name of element with atomic number 105

[CPMT 2004]

Options:

A) Kurchatovium

B) Dubnium

C) Nobelium

D) Holmium

Show Answer

Answer:

Correct Answer: B

Solution:

The element with atomic no. 105 is dubnium.

In IUPAC nomenclature, it is known as un-nil pentin.



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