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Homework Statement
What is the atomic number if the electron config is 1s2, 2s2, 2p6, 3s2, 3p4.
Homework Equations
How do I solve for electron configurations using a periodic table?
The Attempt at a Solution
I don't really have any, I am studying for a mid-term and this is all stuff I barely understood in the beginning of the year, and... well... Time makes fools of us all.
I'm not asking for a direct answer, in fact, I don't want that. I want to figure out what I'm missing (in terms of information) on how to tell the electron configuration based on either the electron configuration itself --> element or vice-versa.
Any help is very much appreciated. :)
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