Contents
Key Stage 3
Meaning
A Period is a row on the Periodic Table whose elements all have the same number of Electron Shells.
About Periods
- Atomic Number increases as you move along a period.
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Trends within Periods
- The chemical and physical properties of elements change as you move along a period.
| Period 2 Melting Points | Period 3 Melting Points |
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| There is a trend in the Melting Points as you move along the period. | A similar trend can be seen in the next period. |