in hcp unit cell, number of atoms is (A) 4 (B) 6 (C) 12 (D) 7 contexto.140 2 years ago Correct option (B) 6 Explanation: An hcp unit cell Contribution of atoms from corner Contribution from face centre Total number of atoms per unit cell
![\[=12 \times \frac{1}{6}+2 \times \frac{1}{2}+3=6\]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-bae535c82fe00ee951589a46f5d17270_l3.png "Rendered by QuickLaTeX.com")
