Question

an alloy of gold and cadmium crystallized with a cubic structure in which gold atoms occupy the corners and cadmium atom fit into the face centre. assign formula for the alloy​

Answer 1

Answer:

AuCd3

Explanation:

As gold atoms occupy all the corners of a unit cell, therefore, the number ofgold atoms per unit cell = 8 x 1/8 = 1 atom

As cadmium atoms fit into the face centres, therefore, the number of cadmium atoms per unit cell =6×1/2=3 atoms

.’. Ratio of gold (Au) and cadmium (Cd)= 1 : 3 Hence, formula for the given alloy is AuCd3

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