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Topic: Ionization energy of Na and Mg  (Read 4004 times)

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gr3g

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Ionization energy of Na and Mg
« on: November 29, 2005, 01:12:55 PM »
I had a question on my exam that asked which second ionization energy would be greater for Na or Mg

Mg:1s2 2s2 2p6 3s2   Zeff = 1.5
Na:1s2 2s2 2p6 3s1   Zeff =  1

Since the Zeff is lower in Na, will there be less energy required in Na?
Thanks
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Offline Mitch

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Re:Ionization energy of Na and Mg
« Reply #1 on: November 29, 2005, 01:53:59 PM »
Will Zeff be the same after removing an electron?
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Offline Albert

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Re:Ionization energy of Na and Mg
« Reply #2 on: November 29, 2005, 02:42:00 PM »
Which sounds more familiar between Na2+ and Mg2+?
« Last Edit: November 29, 2005, 02:44:47 PM by Albert »
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