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Balancing chemical equation

Atoms Molecules Ions Chemical Equations On-line practice

 

 

All chemical equations must be balanced. 

A balanced equation

bulletshows the formulas of all the substances that react (called the reactants) and all the substances that are produced (called the products) in a reaction
bullethas the same number of atoms of each element on both sides of the equation.  This is because no atoms are created or destroyed during a reaction.  They are only rearranged into different substances.
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