Problem: What is the electron configuration for P? [Ar]3s23p64s23d104p3 [Ne]1s21p62s22p3 [Ne]3s2 3p3 [Ar]3s23p3

FREE Expert Solution

You can determine the ground-state electron configuration of Phosphorus (P) by referring to the periodic table and locating the position of P in the periodic table.

Ground-state means that the element is in its lowest energy form (not in excited state). 

You will see in the above illustration of the periodic table that Ca is in Period 3, Group 5A, and p block.

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Problem Details

What is the electron configuration for P? 



[Ne]3s2 3p3 


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