Which of the Following Statements Is/are CORRECT

question 13

Multiple Choice

Which of the following statements is/are CORRECT?
1) Of the four unit cell structures in which metals crystallize,three are based on the cubic unit cell and the fourth is the hexagonal unit cell.
2) Transition metals with high densities,especially those in period 6,preferentially crystallize with a primitive cubic cell structure.
3) The preferred crystal structure of the Group 1A metals is face-centered cubic.

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

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Definitions:

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