Sodium metal crystallizes in a body centred cubic lattice with cell edge a = 4.29 Å. The radius of sodium atom is:

JEE Main Chemistry question

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Sodium metal crystallizes in a body centred cubic lattice with cell edge Å. The radius of sodium atom is:

Answer: (A)

For a bcc lattice, Å. This does not match 2.8574 Å or 3.8574 Å,

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Question ID VK-141658