Question

1. Using the data in the table below, answer the questions listed below the table. (5 points total, 1 point each)

Element	Atomic Radius (nm)	Crystal Structure	Electronegativity	Valence
Cu	0.1278	FCC	1.9	+2
Ni	0.1246	FCC	1.8	+2
Cr	0.1249	BCC	1.6	+3
Co	0.1253	HCP	1.8	+2
Fe	0.1241	BCC	1.8	+2
Zn	0.1332	HCP	1.6	+2
Al	0.1431	FCC	1.5	+3
Au	0.144	FCC	2.4	+1
Ag	0.1445	FCC	1.9	+1
Pt	0.139	FCC	2.2	+2

a. Sterling silver is an alloy of 92.5% silver (Ag) and usually copper (Cu). Based on the table above, would you expect complete or partial solid solution for this mix of metals? Why?

b. Zinc is an alloying additive to copper to make brass. Based on the information above, would you expect complete or partial solid solution of zinc in copper? Explain.

c. Would you expect silver and gold to have complete solid solution or limited solid solution? Why?

d. Would you expect iron and chromium to have complete solid solution or limited solid solution? Why?

e. Would you expect chromium and cobalt to have complete solid solution or limited solid solution? Why?