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Mechanism of Formation of P-N Junction

If aluminium ...

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If aluminium crystallises in cubic packed structure, and it's radius is 125pm then find Number of unit cells of aluminium in 1.0cm cube

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Aluminium crystallises in a cubic close-packed structure. Its metallic radius is 125 pm.

(i) What is the length of the side of the unit cell?

(ii) How many unit cells are there in 1.00 cm³ of aluminium?

Q. Aluminium crystallises in a cubic close-packed structure. Its metallic radius is

125

(i) What is the length of the side of the unit cell?

(ii) How many unit cells are there in

1.00 c m^{3}

Q. Aluminium crystallizes in a cubic close packed structure. Its metallic radius is

125

pm. The edge length (in pm) of the unit cell and number of unit cells per cc of aluminium, respectively, are :

Q. Aluminium crystallizes in a cubic close packed structure. Its metallic radius is

125 p m

.
i) Calculate the edge length of unit cell
ii) How many unit cells are there in

1.00 c m^{3}

Q. Aluminium (atomic mass = 27) crystallises in a cubic system with edge length of 4A. Its density is

2.7 g c m^{- 3}

. The number of aluminium atoms present per unit cell is:

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Mechanism of Formation of P-N Junction

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