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Sodium metal crystallises in body centre...

Sodium metal crystallises in body centred cubic lattic with cell edge `4.29 Å` .What is the radius of sodium atom ?

Text Solution

Verified by Experts

For bcc lattice
`r = (sqrt3)/(4) = (sqrt3 xx 4.29)/(4) = 1.957 Å`
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Knowledge Check

  • Sodium metal crystallizes in body centred cubic lattice with the cell edge a=4.28Å. What is the radius of the sodium atom ?

    A
    1.86Å
    B
    6.81Å
    C
    8.61Å
    D
    2.94Å

  • Sodium metal crystallises in body centred cubic lattic with cell edge 427 pm .Thus radius of sodium atom is

    A
    429 pm
    B
    `214.5` pm
    C
    186 pm
    D
    185 pm

  • Sodium metal crystals in a body - centred cubic lattice with a unit cell edge of 4.29 Å the radius of sodium atom is approximately ____.

    A
    `1.86 Å`
    B
    `3.22Å`
    C
    `5.72Å`
    D
    `0.93Å`

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