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July 4, 2015

Homework Help: Chemistry

Posted by marie darling on Monday, April 1, 2013 at 11:29pm.

Here are the effective nuclear charges, Zeff, for the valence electrons of four different atoms. 1.30, 1.95, 2.60, 3.25 In order, these values could belong to what list of elements?

Sr, Ca, Mg, Be
Be, Mg, Ca, Sr
C, B, Be, Li
(or)
Li, Be, B, C

Here are the effective nuclear charges, Zeff, for the valence electrons of four different atoms. 2.20, 2.20, 2.20, 2.20 These values could belong to what list of elements?

Na, K, Rb, Cs
(or)
Na, Mg, Al, Si

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