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Help on structure of atoms and ions
What does a chemical formula mean?
Table of ions
How to learn ions
How to work out the formulae of ionic compounds
Learning the formulae of elements and covalent compounds
Dot-cross diagrams of some molecules
Dot-cross diagrams of ions
Guidance on writing equations
Links to other web sites
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Atomic and Ionic Structure
Basic atomic structure
Electronic structure 1
Electronic structure 2
Structure of atoms: starter for 10
Structure of atoms: 10 more examples
Structure of atoms: lucky dip
Basic ionic structure
Structure of atoms and ions: starter for 10
Structure of atoms and ions: 10 more examples
Structure of atoms and ions: lucky dip
Help on structure of atoms and ions
Formulae
Learn the simple ions
Quiz: Formulae of simple ionic compounds
Learn the molecular ions
Quiz: How well do you know all the ions?
Quiz: Formulae of ionic compounds
Formulae to be memorised
Help on Learning the formulae of ions
Help: writing ionic formulae
Help: formulae of elements and covalent compounds
Equations
Balancing only
Quiz: writing simple fully balanced formula equations
Quiz: Writing fully balanced formula equations
Equation Writing Guidance
Ionic Equations
Acid-base neutralisation and acid-metal
Metal displacement
Halogen Displacement
Acid-base and redox reactions involving water
Precipitation
Inorganic analysis
Redox (including metal and halogen displacement, reduction of water)
All / custom reaction types
Equation Writing Guidance
Periodic Table
Balancing equations
N
a
2
C
O
3
+
H
3
P
O
4
→
N
a
3
P
O
4
+
H
2
O
+
C
O
2
Use this table for rough working. It is not marked.
Element symbol
Reactants
Products
Get help with balancing
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