What element has an electron notation #(Kr)5s^(2)4d^(10)5p^2#?

1 Answer
Owen Bell
Dec 29, 2015

Tin, Sn

Explanation:

The highest main energy level is the fifth: thus the element must be in group #5#. It is also the second element along in the #"p"#-block for group #5#, since the highest orbital is #5"p"# .

Applying both factors, the element must be tin, Sn.

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