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Author Topic: atoms:why do group 7 elements be come less reactive as you go down the group??  (Read 2059 times)

jared

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










Edited to appear as a question:
« Last Edit: 13/02/2009 02:00:48 by neilep »

lyner

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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.

Chemistry4me

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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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