Group 7- The halogens

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Group 7 - the halogens

Learn these trends:

As you go down group 7, the halogens have the following properties:

1) Less reactive, because it's harder to gain an extra electron as the outer shell's further from the nucleus.

2) Higher melting point

3) Higher boiling point

The halogens are all non-metals with coloured vapours

Fluorine is a very reactive, poisonous yellow gas.

Chlorine is a fairly reactive,


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