Compare5 marksStandard
The melting points of the elements in Group 14 are given below.
| Element | Melting point / °C |
|---|---|
| C (diamond) | 3550 |
| Si | 1410 |
| Ge | 937 |
| Sn | 232 |
| Pb | 327 |
Compare the melting points of these elements and explain the trend.
CAIE A Level Chemistry 9701 · The Periodic Table: chemical periodicity
The Periodic Table: chemical periodicity: compare question
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5 marks, so the mark scheme is looking for about 5 separate creditworthy points. Making the same point twice in different words earns it once.
Compare means: Give similarities or differences between two things, and say which side each point belongs to. Write each point as a pair, for example: A is X, whereas B is Y. Two separate descriptions rarely earn the marks.
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