Instructional Master
LSM 4.6-1
Crystalline Solids
SUMMARY
Properties of Ionic, Metallic, Molecular,
and Covalent Network Crystals
Crystal
Particles
Force/Bond
Properties
Examples
Ionic
ions
(, )
ionic
hard; brittle; high
melting point; liquid and
solution conducts
NaCl(s),
Na3PO4(s),
CuSO4·5H2O(s)
Metallic
cations
metallic
soft to very hard;
solid and liquid conducts;
ductile; malleable; lustrous
Pb(s), Fe(s),
Cu(s), Al(s)
Molecular
molecules
London
dipoledipole
hydrogen
soft; low melting point;
nonconducting solid,
liquid, and solution
Ne(g), H2O(l),
HCl(g), CO2(g),
CH4(g), I2(s)
Covalent
Network
atoms
covalent
very hard; very high melting
point; nonconducting
C(s), SiC(s),
SiO2(s)
Copyright © 2003 Nelson
Models
Chapter 4 Chemical Bonding 147