Trend in Boiling Points
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5 Terms
1
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What happens to boiling and melting points?
Increase down the group.
2
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Why do the boiling and melting points increase?
The increasing strength of the London forces as the number of electrons increases when the size and relative mass of the atoms increases.
3
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How is this trend shown?
In the changes of physical state from fluorine to iodine
4
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When is a substance said to be volatile?
It it has a low boiling point
5
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What's the trend in boiling/melting points?
Volatility decreases down the group.
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