engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test General Science Chemistry States of Matter
Copper crystallises in fcc unit cell with cell edge length of 3.608 × 10-8 cm. The density of copper is 8.92 g cm-3. Calculate the atomic mass of copper.
1
65 u
2
63.1 u
3
31.55 u
4
60 u