Atomic radius, crystal structure, electro negativity, and the most common valence are given in the following table for several elements; for those that are nonmetals, only atomic radii are indicated.

Which of these elements would you expect to form the following with nickel:
(a) A substitutional solid solution having complete solubility
(b) A substitutional solid solution of incomplete solubility
(c) An interstitial solid solution

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Atomic Radius Crystal Electro Element (nm) Structure negativity Valence 0.1246 Ni FCC 1.8 +2 0.071 н 0.046 0.060 FCC Ag 0.1445 1.4 +1 +3 FCC 1.5 Al 0.1431 0.1253 Co НСР 1.7 +2 BCC Cr 0.1249 1.6 +3 0.1241 Fe BCC 1.7 +2 FCC Pt 0.1387 1.5 +2 1.7 Zn +2 0.1332 НСР