Be vs Mg

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Noh_Jasmine_1J
Posts: 71
Joined: Fri Sep 28, 2018 12:15 am

Be vs Mg

Postby Noh_Jasmine_1J » Sun Nov 04, 2018 12:41 pm

why are the electron affinities for Be and Mg the same when Mg is below Be? I thought electron affinity increases as you go right and up

Jordan Y4D
Posts: 25
Joined: Fri Sep 28, 2018 12:27 am

Re: Be vs Mg

Postby Jordan Y4D » Sun Nov 04, 2018 12:58 pm

The period of the element has much more of an effect on electronegativity than the row does. If you go to enough significant figures, you will see that Beryllium has a high electronegativity than magnesium, but they're very close because of the aforementioned statement.


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