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Sodium metal crystallises in body centre...

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

A

18.6 Å

B

1.86 Å

C

186 nm

D

1860 pm

Text Solution

Verified by Experts

The correct Answer is:
B
In BCC radius of atom `r = (sqrt3 a)/(4)`
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Knowledge Check

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

    A
    `1.857 xx 10^(-8) cm`
    B
    `2.371 xx 10^(-7) cm`
    C
    `3.817 xx 10^(-8) cm`
    D
    `9.312 xx 10^(-8) cm`

  • Sodium metal crystallises in a body centred cubic lattice with a unit cell edge of 4.29 A. The radius of Na atom is approximately

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

  • 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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