February 23, 2017

Homework Help: chemistry

Posted by Moi on Sunday, December 12, 2010 at 12:46pm.

I have a question regarding the valence electrons of transition metals. I am aware of quantum numbers etc and how the s orbital gets filled before the d orbital but my question is that is if was asked to lets say group some elements according to their valence electrons,and among those elements there was lets say Zr, would I consider Zr to have only two valence electrons, or would I also count the electrons in the d sub shell.

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