Wednesday, 1 May 2013

2.4 understand why elements in the same group of the Periodic Table have similar chemical properties

Elements in the same group have the same number of electrons on their outer shell.
This means they will behave in a similar way; they will react and bond similarly.

For example in group one, the elements all form +1 ions as they each loose one electron to become stable (to have a full outer shell).
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3 comments:

  1. BOB29 March 2014 at 13:24

    Dont they become +1 ions?

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  2. Anonymous31 March 2014 at 02:10

    They don't have to specifically be metals? The syllabus is deliberately vague. It also explains why elements in the same group react with the same compounds and elements as their valencies are compatable

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