Chemistry·Matter · Bonding · NSSCO 2.4.6
Writing & balancing equations
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Every chemical reaction can be written as an equation. Learn to write word equations, read chemical formulae, and balance symbol equations using the law of conservation of mass — plus the state symbols that finish them off.
What you'll learn in this lesson
By the end you should be able to (NSSCO Chemistry 2.4.6):
- Write word equations for simple reactions
- Interpret chemical formulae to count the atoms of each element
- State the law of conservation of mass and explain why equations must balance
- Balance simple symbol equations using numbers in front of formulae
- Add state symbols (s), (l), (g) and (aq) to equations
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