The statement that is INCORRECT about the interstitial compounds is :
they are chemically reactive
they have metallic conductivity
they have high melting points
they are very hard
A.
they are chemically reactive
They are relatively non reactive.
Consider the bcc unit cells of the solids 1 and 2 with the position of atoms as shown below. The radius of atom B is twice that of atom A. The unit cell edge length is 50% more in solid 2 than in 1. What is the approximate packing efficiency in solid 2?
75%
65%
45%
90%