Question

Identify whether the solid form of each of the following substances is an ionic crystal, a metallic crystal, a covalent network crystal, or a molecular crystal.

a. Mn

b. MgBr2

c. Xe

d. NH4Cl

e. CO2

f. As

g. Pd

h. SiC

Answer 1

a) Mn = covalent network crystal

b) MgBr₂ = ionic crystal

c) Xe = ionic crystal

d) NH₄Cl = covalent network crystal

e) CO₂ =molecular crystal

f) As = molecular crystal

g) Pd = ionic crystal

h) SiC = molecular crystal