Question

Which of the following statements concerning the cubic unit cell is/are CORRECT?
1/ For cubic unit cells, three cell symmetries occur: primitive cubic, face-centered cubic, and body-centered cubic.
2/ The cell edges of a cubic unit cell are all equal in length.
3/ The corner angles of a cubic cell are 90.
A.1 only
B.2 only
C.3 only
D.2 and 3
E.1, 2, and 3

Answer

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