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Why do group 7 elements become less reactive as you go down the group?

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jared (OP)

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Why do group 7 elements become less reactive as you go down the group?

« on: 12/02/2009 21:32:56 »

Why do group 7 elements become less reactive as you go down the group?

« Last Edit: 15/07/2017 12:29:41 by chris »

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Marked as best answer by chris on 15/07/2017 12:24:20

lyner

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Re: Why do group 7 elements become less reactive as you go down the group?

« Reply #1 on: 12/02/2009 23:06:35 »

The 'School' reason for this is the 'screening' effect of the inner shells of (-) electrons which gives the spare 'slot' less attraction to the (+) nucleus - as you go down the table because there are more shells.

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Chemistry4me

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Re: Why do group 7 elements become less reactive as you go down the group?

« Reply #2 on: 12/02/2009 23:39:37 »

Quote from: jared on 12/02/2009 21:32:56

why do group 7 elements be come less reactive as you go down the group??
need a to know for my coursework hellp []

Why group seven? It seems a bit... random, I would have thought gruop 17 would be more appropriate [

] Did you mean group 17?

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Tags: group 7 elements / halogens / reactivity

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