Browse Questions

# The density of CaO is $3.35 gm/cm^3$. The oxide crystallises in one of the cubic systems with an edge length of 4.80 $A^{\large\circ}$. How many $Ca^{++}$ ions and $O^{–2}$ ions belong to each unit cell, and which type of cubic system is present?

Can you answer this question?

$Ca^{++}$ions=4,$O^{--}$ions=4,fcc type