Key Stage 3
Meaning
A Chemical Symbol is a shortened name for an element.
About Chemical Symbols
- Chemical Symbols are used to write Balanced Symbol Equations.
Examples
| Hydrogen | Helium | Lithium | Beryllium |
 |
 |
 |
 |
 |
 |
 |
 |
| Hydrogen has the symbol H. The mass number shows there is 1 particle in the nucleus and the atomic number shows that it has 1 proton. | Helium has the symbol He. The mass number shows there are 4 particles in the nucleus and the atomic number shows that it has 2 protons. | Lithium has the symbol Li. The mass number shows there are 7 particles in the nucleus and the atomic number shows that it has 3 protons. | Beryllium has the symbol Be. The mass number shows there are 9 particles in the nucleus and the atomic number shows that it has 4 protons. |