Difference between revisions of "Chemical Symbol"
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===About Chemical Symbols=== | ===About Chemical Symbols=== | ||
: [[Chemical Symbol]]s are used to write [[Balanced Symbol Equation]]s. | : [[Chemical Symbol]]s are used to write [[Balanced Symbol Equation]]s. | ||
| + | : Most [[Chemical Symbol]]s use the letters in their name for the symbol but some use letters from their old names. | ||
===Examples=== | ===Examples=== | ||
Revision as of 15:51, 23 September 2018
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.
- Most Chemical Symbols use the letters in their name for the symbol but some use letters from their old names.
Examples
| Hydrogen | Helium | Lithium | Beryllium |
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| 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. |