Question

What’s the atomic number of the element Copernicium?

(a) 111

(b) 112

(c) 113

(d) 114

This question was posed to me in a job interview.

I'm obligated to ask this question of Periodic Table Classification in section Classification of Elements and Periodicity in Properties of Chemistry – Class 11

Answer 1

Correct choice is (b) 112

Explanation: The element of Copernicium’s atomic number is 112. it is otherwise called as Ununbium as per the IUPAC nomenclature. The name Copernicium is given after the astronomer Nicolaus Copernicus. It’s a d-block transactinide element that belongs to Group-12.