Naked Science Forum

General Science => General Science => Topic started by: jared on 12/02/2009 21:32:56

Title: Why do group 7 elements become less reactive as you go down the group?
Post by: jared on 12/02/2009 21:32:56

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

Title: Re: Why do group 7 elements become less reactive as you go down the group?
Post by: lyner 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.

Title: Re: Why do group 7 elements become less reactive as you go down the group?
Post by: Chemistry4me 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?