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Q1
This question is about the halogens.
Table 1 shows the melting points and boiling points of some halogens.
Explain the trend in boiling points of the halogens shown in Table 1.
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(4)
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Boiling point increases as you go down the group.
This is because the molecular mass increases.
So the intermolecular forces become stronger.
This means more energy is needed to overcome them.
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