If iridium has a density of 23.3 g/cm3 and forms a face-centered cubic lattice, what is the atomic radius of

the iridium atom?
a. 135.7 pm
b. 203.7 pm
c. 271.4 pm
d. 648.0 pm

5 answers

I shall be happy to critique your work on this.

271.4

203.7

which one is correct?

135.7