A hexagonal closest-packed structure has hexagonally arranged layers of atoms stacking in the series ________
A)ababab
B)abcabcabc.
C)abcbabcbabcba.
D)abacabacaba.
E)aaaaaa.

Question

Quizplus · Accepted Answer

In a hexagonal closest-packed (hcp) structure, the layers of atoms stack in an "ababab" sequence, where each layer is directly above the third layer below it.

A Hexagonal Closest-Packed Structure Has Hexagonally Arranged Layers of Atoms