JEE Main Chemistry question
Not in JEE Main or NEET syllabus
A metallic element has a cubic lattice. Each edge of the unit cell is . The density of the metal is . The number of unit cells in of the metal is
Answer: (A)
Solution
Edge length , so the volume of the unit cell is
V = (2 × = 8 × \ cm^3
Mass of one unit cell $= V × ρ = 8 ×
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