Assuming that A and B mix to form a substitutional solid solution and – McqOptions

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1.	Assuming that A and B mix to form a substitutional solid solution and that all configurations of A and B atoms are equally probable, the number of distinguishable ways of arranging the atoms on the atom sites, if N1=8 and N2=4 is_____ (N1, N2 are the number of atoms in A and B respectively).
A.	467
B.	499
C.	495
D.	500
Answer» D. 500

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