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April 26, 2015

Homework Help: Chemisrty

Posted by Kristen on Sunday, October 20, 2013 at 3:13pm.

Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1.
A. What is the symbol for this element?
B. What is the atomic number of this element?
C. How many unpaired electrons does an atom of this elelemt have?
D. How many valence electrons does an atom of this elelemt have?
E. How many inner shell electrons does an atom of this element have?
F. What is the highest occupied energy level for this element?

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