2.2 Below, atomic radius, crystal structure, electronegativity, and the most common valence are tabulated, for several elements; for those that are nonmetals, only atomic radii are indicated. [20 Points] Element Cu C H O 20 Z 8 5 2 2 Ag Co Cr Ni Pd Pt Zn Atomic Radius (nm) 0.1278 RO 0.071 0.046 0.060 0.1445 0.1431 0.1253 0.1249 0.1241 0.1376 0.1387 Crystal Structure 0.1332 FCC FCC FCC HCP 0.1246 SPO FCC BCC BCC FCC FCC HCP Electronegativity 1.9 1.9 1.5 1.8 1.6 1.8 1.8 2.2 2.2 Valence 1.6 +2 523 +1 +3 SPES Pozo +2 +3 +2 +2 +2 +2 +2 3 J5 Which of these elements would you expect to form the following with copper: (a) A substitutional solid solution having complete solubility? (b) A substitutional solid solution of incomplete solubility? (c) An interstitial solid solution? 5/5 3/3 ottust Note: Explain your selection by calculating the substitutional requirement for each element (suc AFN, etc.) ditions of substitutional solution satisfy.

2.2 Below, atomic radius, crystal structure, electronegativity, and the most common valence are tabulated. for several elements for those that are nonmetals, only atomic radil are indicated. [20 Which of these elements would you expect to form the following with copper: (a) A substitutional solid solution having complete solubility? (b) A substitutional solid solution of incomplete solubility? (c) An interstitial solid solution? Note: Explain your selection by calculating the substitutional requirement for each element (su