Ionic equations: salt formation
I can write balanced ionic equations for the formations of salts, including the ionic equation for water formation (neutralisation) and state symbols.
Ionic equations: salt formation
I can write balanced ionic equations for the formations of salts, including the ionic equation for water formation (neutralisation) and state symbols.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- A chemical equation is used to represent the chemical reaction that occurs during the formation of a compound.
- Ionic equations can be used to show only the chemical species that are changing within a reaction.
- State symbols (s), (l), (g) and (aq), are used in ionic equations to show which substances change.
- The ionic equation for water formation (neutralisation) is H⁺(aq) + OH⁻(aq) → H2O(l).
Keywords
State symbol - used in chemical equations to indicate the physical state of a substance
Ionic equation - a balanced equation showing all the ions involved in a reaction
Spectator ion - ions not involved in a chemical reaction
Oxidation - a type of reaction in which a substance gains oxygen or loses electrons
Reduction - a type of reaction in which a substance loses oxygen or gains electrons
Common misconception
Ionic equations only include ions involved in the reaction, not all ions in the reaction mixture.
Stress the difference between reacting ions and spectator ions.
To help you plan your year 10 chemistry lesson on: Ionic equations: salt formation, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 chemistry lesson on: Ionic equations: salt formation, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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Licence
Starter quiz
6 Questions
-ate compounds -
name ending for a compound with 3 or more elements, one being oxygen
-ide compounds -
name ending for a compound with a metal and singular non–metal
molecular formula -
shows the actual number of atoms of each element in a compound
symbol equation -
equations using chemical formulae and state symbols