Question

briefly explain the comparison of reactivity of the halogens​

Answer 1

Answer:

The non-metal elements in Group 7 - known as the halogens - get less reactive as you go down the group. This is the opposite trend to that seen in the alkali metals in Group 1 of the periodic table . Fluorine is the most reactive element of all in Group 7.

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Answer 2

Answer:

Hopefully, you've remembered that the reactivity of an element increases the higher up the group it is. This means that bromine is more reactive than iodine. Chlorine is more reactive than both bromine and iodine. But fluorine is the most reactive of the halogens. the non-metal elements in Group 7 - known as the halogens - get less reactive as you go down the group. This is the opposite trend to that seen in the alkali metals in Group 1 of the periodic table .

Explanat