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प्रश्न
Copper crystallizes as face centered cubic lattice, with edge length of unit cell 361 pm. Calculate the radius of copper atom.
विकल्प
108.6 pm
127.6 pm
157.6 pm
181.6 pm
MCQ
उत्तर
127.6 pm
Explanation:
For FCC crystal, r = `sqrt2/4 "a" = sqrt2/4 xx 361` = 127.6 pm
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