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Copper metal crystallises with face centred cubic unit cell. If the edge length of copper atom is…
Copper metal crystallises with face centred cubic unit cell. If the edge length of copper atom is 361.5 pm. (Atomic weight of Cu = 63.5, NA = 6.02 x 1023 mol-1)
(i)
The density of copper metal is:
- (a)7.86 g/cm3
- (b)8.93 g/cm3
- (c)9.76 g/cm3
- (d)10.5 g/cm3
(ii)
The radius of copper metal is:
- (a)180.75 pm
- (b)156.53 pm
- (c)127.79 pm
- (d)104.86 pm
Answer
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From ISC 2022 Specimen Chemistry Paper 1, question 37.