C3.1.5 - Half Equations and Ionic Equations Flashcards
1
Q
What is a half equation?
A
A model for the change that happens to one reactant in a chemical reaction
2
Q
Do you have to balance the charges in a half equation?
A
Yes
3
Q
What does a complete ionic equation show?
A
The ions present in a reaction mixture, and usually the formulae of any molecular substances present, or substances in the solid state
4
Q
What is a spectator ion?
A
Ions that are in the reaction mixture but do not take part in the chemical reaction
5
Q
What do you call an ionic equation which leaves out spectator ions?
A
A net ionic equation
6
Q
What happens in a precipitation reaction?
A
An insoluble product or precipitate is created when two solutions are mixed
