Question

Coordination number of Cu is ______.

विकल्प

• 4

• 6

• 8

• 12

Answer 1

Coordination number of Cu is 12.

Explanation:

In its metallic form, copper crystallizes in a face-centred cubic (FCC) structure. In FCC packing, each atom is in direct contact with 12 neighboring atoms, giving copper a coordination number of 12.