Similarities in FCC and HCP Lattice | Chemistry Facts | Prateek Agarwal | #YouTubeshorts

Packing fraction in F.C.C lattice is:

What is common in HCP and FCC unit cell ?

An element crystallizes both in fcc and bcc lattice. If the density of the element in the two forms is the same, the ratio of unit cell length of fcc to that of bcc lattice is

For hcp lattice which statements will be correct ?

Write one similarity and one difference between the chemistry of lanthanoid and actinoid elements.

Write one similarity and one difference between the chemistry of lanthanoids and that of actinoids.

A compound formed by elements M and N crystallizes in HCP lattice. The 2/3 of the OV's are occupied by N and M occupies by lattice points . Find the simplest formula of the compound.

A compound of formula A_(2)B_(3) has the hcp lattice. Which atom forms the hcp lattice and what fraction of tetrahedral voids is occupied by the other atoms