Chemical Bonding & Molecular Structure
5 terms
Lattice Energy
Chemical Bonding & Molecular Structure
kJ/mol
The energy released when one mole of an ionic solid is formed from its constituent gaseous ions.
U ∝ (z⁺z⁻) / (r⁺ + r⁻)
Lewis Structure
Chemical Bonding & Molecular Structure
Dimensionless
A diagram showing the bonding and lone pairs of a molecule using dots or lines for valence electrons.
Linear Geometry
Chemical Bonding & Molecular Structure
degrees
A molecular shape in which the bonded atoms lie on a straight line, giving a bond angle of 180°.
AX₂ or AX₂E₃
London Dispersion Forces
Chemical Bonding & Molecular Structure
kJ/mol
Attractions between molecules caused by instantaneous fluctuations in electron distribution inducing dipoles in neighbours.
E ∝ α² / r⁶
Lone Pair
Chemical Bonding & Molecular Structure
Dimensionless
A pair of valence electrons localised on one atom and not involved in bonding.