Which of the Following Statements Concerning the Cubic Unit Cell $\circ$

question 22

Multiple Choice

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 ^$\circ$ .

• A) 1 only
• B) 2 only
• C) 3 only
• D) 2 and 3
• E) 1,2,and 3

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Definitions:

Meritocracy

Rule by (i.e., leadership given to) persons depending on their merit and ability.

Government

An institution through which a society or community organizes and enforces its collective decisions, policies, and laws.

Principle of Justice

The fundamental moral and ethical guideline that dictates fairness in treatment, distribution of goods, and administration of laws.

Marx

Karl Marx, a 19th-century philosopher, economist, and revolutionary, known for his theories about capitalism and communism.