Aluminium has a higher atomic packing factor than molybdenum by about

1.	Aluminium has a higher atomic packing factor than molybdenum by about 6%. This means that:
A.	Aluminium is heavier than molybdenum
B.	The ratio of the volume of the unit cell to the volume of the atoms per unit cell is lower in aluminium
C.	The ratio of the number of atoms per unit cell to size of the cell is roughly equal to both
D.	The distance between atoms are equal for both
Answer» C. The ratio of the number of atoms per unit cell to size of the cell is roughly equal to both

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Aluminium has a higher atomic packing factor than molybdenum by about 6%. This means that:

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