Question

Which block of the periodic table contains the element with configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹?

विकल्प

• s-block

• p-block

• d-block

• f-block

Answer 1

d-block

Explanation:

A d-block transition element made of copper.