17. Which one of the following statements about solid Cu (face-centered cubic unit cell) is incorrect?
(A) The solid has a cubic closest-packed structure.
(B) The number of atoms surrounding each Cu atom is 12.
(C) There are two atoms per unit cell.
(D) The length of a face diagonal is four times the Cu radius.
(E) none of these.
阿摩線上測驗
登入