Answer to Question #179279 in General Chemistry for Thomas

Question #179279

Alloys in which the stoichiometry can NOT be varied are

a. Compound alloys

bi. interstitial alloys

c. heterogeneous alloys

d. substitutional alloys

e. impossible


The coordination numbers in NaCl and ZnS ionic solid structures are

a. 8 and 4, respectively

b. 4 and 8, respectively

c. 4 and 6, respectively

d. 6 and 4, respectively

e. 8 and 6,respectively

f. 6 and 8, respectively


14-karat gold is

a. pure gold

b. a network-covalent solid

c. a substitutional alloy

d. an ionic solid

e. a heterogeneous alloy



1
Expert's answer
2021-04-11T23:47:40-0400

Alloys in which the stoichiometry can NOT be varied are heterogeneous alloys

Coordination numbers in NaCl and Zns ioniv solid structures are 6 and 4 respectively

14-karat gold is a substitutional alloys




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