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Potassium crystallizes in bcc unit cell ...

Potassium crystallizes in bcc unit cell with distance nearest neighbours of 4.52 Å, if its atomic mass = 39 amu.
(a)What would be edge length of unit cell ?
(b)What would be the density of K metal ?
(c ) How many nearest neighbouring atoms does each potassium atom has ?

Text Solution

Verified by Experts

(a)5.22 Å, (b)`"0.919 g cm"^(-3)` , (c ) 8
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Knowledge Check

  • Potassium has a bcc structure with nearest neighbour distance 4.52 Å . Its atomic weight is 39. Its density will be

    A
    `454 kg m^(-3)`
    B
    `804 kg m^(-3)`
    C
    `852 kg m^(-3)`
    D
    `908 kg m^(-3)`

  • Potassium has a bcc structure with nearest neighbour distance 4.52 Å. Its atomic weight is 39. Its density will be

    A
    `454 kg m^(-3)`
    B
    `804 kg m^(-3)`
    C
    `852 kg m^(-3)`
    D
    `910 kg m^(-3)`

  • Potassium has a bcc structure with nearest neighour distance 4.52 Å its atomic weight is 39 its density (in kg m^(-3) ) will be

    A
    `454`
    B
    `804`
    C
    `852`
    D
    `908`

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