Ionic Bonding
Key Terms
Words that can be used as topics in essays:
anions
atomic orbital model
bond energy
cation
chelates
complex ion
coordination number
Coulomb’s law
crystal-field model
crystal-field splitting energy
dissociation constant, Kd
electronegativity
free radical
high-spin complex
inert complex
ionic radius
isoelectronic
labile complex
lattice energy
ligand
low-spin complex
noble-gas structure
orbital diagram
polarity
polydentate ligand
spectrochemical series
valence electron
Key Concepts
Equations and relationships that you need to know:
- % ionic character
dipole moment of X
X
100
calculated Y
measured dipole moment of Y
= +-: %
+-
net dipole moment = charge ×distance
Coulomb’s law: E. r
QQ
=231 10#:-^19 Jnmcm^12
k r
QQ
lattice energy= dn^12 k= constant
Q 1 and Q 2 — charges on the ions
r = shortest distance between centers of cations and anions