A cubic solid is made of two elements P and Q. Atoms P are at the corners of the cube and Q at the edge centre and the body centre .What is the formula of the compound?

Asked by Topperlearning User | 17th Jun, 2016, 10:54: AM

Expert Answer:

The atom at corner makes  contribution while atom at body center makes 1 contribution to the unit cell.

 Number of atoms of P per unit cell = 8 (at corners) X  = 1
Number of atoms of Q per unit cell =
 
Therefore formula of the compound is PQ4.

Answered by  | 17th Jun, 2016, 12:54: PM

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