Question 1
Nickel has a face-centred cubic structure and has a density of 8.90 g cm
-3. What is its atomic radius?
◦ 997 pm
◦ 353 pm
◦ 249 pm
◦ 125 pm
Question 2
Gold crystallizes in a face-centred cubic structure. What is the edge length of the unit cell if the atomic radius of gold is 144 pm?
◦ 288 pm
◦ 204 pm
◦ 407 pm
◦ 333 pm