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Overview: Compounds, Formulae and Equations
This is an overview of Topic 2: Compounds, Formulae and Equations. It includes valence numbers, typical ions, how to balance equations and ionic equations.
Positive Ions
Video listing common positive ions you should know by heart.
Negative Ions
Video listing common negative ions you should know by heart.
Working out the Formulae of Ionic Compounds
This video provides explanation for formulae of ionic compounds using valence numbers.
Balancing Chemical Equations
This video explains the importance of balancing chemical reactions and provides examples of how to balance equations.
Writing Chemical Equations from Supplied Information
This video explains how to use supplied information to write balance equation with state symbols.
Ionic Equations
This video explains how to write ionic equations including examples.
