Science Common Sense

155 - What is a chemical equation?

A chemical equation is like a recipe. It shows how substances (called chemicals) mix and change into new substances.

It has two parts:

  1. The stuff we start with, called the 'reactants' (written on the left).
  2. The stuff we end up with, called the 'products' (written on the right).

For example: 2H + O → H2O (this makes water).

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