Question

an alloy of cu,au,ag is found to have cu constituting the ccp lattic if ag atom occupy edge centres and au present at body centres the alloy formale is ?

Answer 1

$$\begin{gathered} Copperconstituteccp=fcc=6\times \frac{1}{2}+1=4 \\ Agatomsattheedgecentre=6\times \frac{1}{2}=3 \\ Autthebodycentre=1 \\ sotheformulais \\ C{u}_{4}A{g}_{3}Au \end{gathered}$$