Strong
electrostatic
forces
between ions
Forces act in
all directions
Metal loses
electron(s), non
metal gains
electron(s)
Metal forms positive
ion, non metal forms
negative ion
Giant ionic
structure
Lattice
Dot and cross
diagrams
Ions formed by Groups 1, 2, 6, 7 have the
electron configuration of a noble gas
Diamond
Silicon
dioxide
2D and 3D
diagrams
Polymers
Diagrams
Metal and non
metal
Transfer of
electrons
Diagrams
Positive metal ions held in a
sea of delocalised electrons
Giant
structure
Ionic bonding
Metallic bonding
2.1 CHEMICAL BONDS, IONIC,
COVALENT AND METALLIC
Giant
structures
Repeating
units
Lots of metal
atoms bonded
together
Covalent bonding
Large
molecules
Small
molecules
E.g. H2, CH4 and H2O
Shared pair of
electrons
https://bit.ly/pmt-edu
Atoms arranged
in a regular
pattern
Strong
Metallic
bonds
E.g. Ball and
stick diagrams
Diagrams
Covalent
bonds
Strong electrostatic
attraction between
positive ions and
negative electrons
2D and 3D
diagrams
E.g. Dot and
cross diagrams
Limitations of
various diagrams
AQA
https://bit.ly/pmt-cc
https://bit.ly/pmt-cc