Lesson 2: Ionic equations Flashcards
What do ionic equations show?
- Ionic equations show the ions involved in a reaction.
They only show particles that have changed
What are “spectator ions”?
- Spectator ions are on both sides of an equation.
They haven’t changed
What are the steps to writing an ionic equation?
1.) Balance the equation
2.) Split ionic compounds into ions.
3.) Cancel out spectator ions
4.) Write net equation
When are ionic compounds formed ?
When non - metals react with metals.
What are polyatomic ions?
- Ions that consist of more than 1 type of atom.
What are monoatomic ions?
- Ions that consist of one type of atom.
How do particles change in chemical reactions?
- Particles change by gaining/ losing electrons.
What is the ionic formula for “hydroxide?”
OH⁻
What is the ionic formula for “nitrate”?
NO₃⁻
What is the ionic formula for “ammonium”?
NH₄⁺
What is the ionic formula for “sulphate”?
SO₄²⁻
What is the ionic formula for “carbonate”?
CO₃²⁻
What is the ionic formula for “phosphate”?
PO₄³⁻
What 2 things make an ionic equation balanced?
- Same overall charge
- Number of atoms on each side
How is the “net ionic equation” achieved?
- You must cancel out spectator ions.