The crystal structure of magnesium oxide, MgO, is of the NaCl type (Fig. 12-48). Use this fact,

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The crystal structure of magnesium oxide, MgO, is of the NaCl type (Fig. 12-48). Use this fact, together with ionic radii from Figure 9-11, to establish the following.

(a) The coordination numbers of Mg2+ and O2-;

(b) The number of formula units in the unit cell;

(c) The length and volume of a unit cell;

(d) The density of MgO.

Fig. 12-48

CI- = Na+

Figure 9-11

155 59 Li+ Be + 102 K Na Mg 190 160 Na Mg2+ 235 Be 112 138 27 152 72 K+ Ca+ Sc+ Ca Sc Ti 197 162 147 100 Rb

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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