Ionic Bonding
Ionic compounds form when electrons are transferred and oppositely charged ions attract each other in a giant ionic lattice.
These pages cover electronegativity, ionic bonding and giant ionic lattices, metallic bonding, and covalent bonding with sigma and pi bonds, dative bonds and giant covalent structures.
They then cover the shapes and bond angles of molecules, polar molecules, and intermolecular forces with hydrogen bonding and the anomalous properties of water.
Revision Notes
3 revision notes, in the order the specification teaches them.
Nature of Ionic Bonding
Revise electron transfer, ion formation and the electrostatic attraction between oppositely charged ions in ionic compounds.
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Polarisation of Ions
Learn how small highly charged cations can distort anion electron clouds, giving some ionic compounds partial covalent character.
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Physical Properties of Ionic Compounds
Connect giant ionic lattice structure with melting point, solubility, brittleness and electrical conductivity.
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Ionic Bonding Map
Cambridge International AS & A Level Chemistry · Topic 3 Chemical bonding · Ionic bonding
The whole section on one A4 page: forming ions and dot-and-cross diagrams, the giant lattice, and melting points, solubility and conductivity.
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Specification
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3.2.1
- 3.2.1
define ionic bonding as the electrostatic attraction between oppositely charged ions (positively charged cations and negatively charged anions)
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3.2.2
4.2.2
- a
describe, interpret and predict the effect of different types of structure and bonding on the melting point of substances
Revise - c
describe, interpret and predict the effect of different types of structure and bonding on the electrical conductivity of substances
Revise - d
describe, interpret and predict the effect of different types of structure and bonding on the solubility of substances
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