crystal st.

Question 1

max number of coordination number

Answer 1

12

Question 2

percent of packin in scp and radius

Answer 2

52% and 2r

Question 3

radius of BCC and cordination no.

Answer 3

a=4/sqrt3 R , 2

Question 4

percent of packing in BCC

Answer 4

68%

Question 5

radius of FCC, coordinatioln no.

Answer 5

a=2sqrt2R, 4

Question 6

percent of packing in FCC

Answer 6

74%