A metallic crystal has the bcc type stacking pattern. What percentage of volume of this lattice is empty space ?

A metallic crystal has the bcc type stacking pattern. What percentage

1.	A metallic crystal has the bcc type stacking pattern. What percentage of volume of this lattice is empty space ?
Answer» `68%` `32%` `26%` `74%` SOLUTION :In bcc, `68%`space is occupied and remaining `32%` is empty.