AQA Chemistry A-Level: Physical Chemistry – Bonding

question

Giant covalent lattice
answer

Covalent bond is a bond formed between two atoms sharing each others electrons.
question

Metallic bonding
answer

The electrostatic attraction between a lattice of positive ions surrounded by delocalised electrons only in metals as elements or alloys.
question

Co-ordinate bonding
answer

A covalent bond in which both electrons come from the same atom.
question

Hydrogen bond
answer

Special permanent dipole-dipole
question

Simple Molecular
answer

Bond formed between two atoms sharing each others electrons.
question

Giant covalent lattice – Examples
answer

Diamond, Graphite
question

Simple molecular – Example
answer

Iodine
question

Coordinate Bonding – Example
answer

Ammonium
question

Giant ionic bond – Example
answer

Sodium Chloride
question

Metallic Bond – Example
answer

Magnesium
question

Hydrogen Bond – Example
answer

Ice
question

Typical types of compounds – Giant Covalent Lattice
answer

Non-metals, Especially Group 4
question

Typical types of compounds – Simple Molecular
answer

Non-metals to Non-metals
question

Typical types of compounds – Coordinate Bond
answer

Non-Metals
question

Typical types of compounds – Giant ionic bond
answer

Metal and Non-metal
question

Typical types of compounds – Metallic Bonds
answer

Metals
question

Physical Properties – Giant covalent lattice (Diamond)
answer

4200K melting point at 100,000 Atmospheres Electrical insulator
question

Physical Properties – Giant covalent lattice (Graphite)
answer

High melting point Conducts Electricity
question

Physical Properties – Simple molecular
answer

Low melting point Doesn’t conduct electricity
question

Physical Properties – Coordinate bond
answer

Depends on overall structure
question

Physical Properties – Giant ionic bond
answer

Brittle High melting point Conducts electricity when melted and aqueous Doesn’t electricity when solid
question

Physical Properties – Metallic bonds
answer

High melting point Conducts electricity Malleable Ductile
question

Physical Properties – Hydrogen bond (Ice)
answer

273K melting point (low) Pure ice doesn’t conduct electricity
question

Electronegativity
answer

The tendency of an atom to attract a bonding pair of electrons in a covalent bond.
question

Intramolecular force
answer

Between atoms inside a molecule
question

Intramolecular force affects…
answer

Ionic bonds Metallic bonds Coordinate bonds Covalent bonds
question

Intermolecular forces
answer

Between molecules
question

Van der Waals forces
answer

Attractive forces exist between non-polar covalent molecules, such as alkanes or divalent gases.
question

Divalent gases
answer

O₂, F₂, N₂

Get instant access to
all materials

Become a Member