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The metal M crystallizes in a body cantered lattice with cell edge 400 pm . The atomic radius of M is

Correct answer

173

Step-by-step solution

a   =   400   pm In body central lattice 3 a = 4 r r = 3 a 4 r = 3 4 × 400 r = 3 × 100 = 173 p m

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