Periodic Trend - Ionization energy

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Samantha Burmester 3H
Posts: 43
Joined: Fri Sep 28, 2018 12:23 am

Periodic Trend - Ionization energy

Postby Samantha Burmester 3H » Sun Oct 28, 2018 11:27 pm

The ionization energy decreases down a group and increases across a period
So does this mean that Flourine (F) would have a higher ionization energy than Chlorine (Cl)?
Does F have the highest energy out of all of the elements?

904914909
Posts: 60
Joined: Fri Sep 28, 2018 12:26 am

Re: Periodic Trend - Ionization energy

Postby 904914909 » Sun Oct 28, 2018 11:31 pm

Elements in the top right corner have the highest electron affinity but it is less periodic than atomic radius

705192887
Posts: 77
Joined: Fri Sep 28, 2018 12:18 am

Re: Periodic Trend - Ionization energy

Postby 705192887 » Sun Oct 28, 2018 11:31 pm

You are correct, Fluorine has a higher ionization energy than Chlorine. However, I'm pretty sure that Helium has the highest first ionization energy because it's outermost electron is closest to the nucleus.


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