Aluminium is the element you are looking for
(E) Aluminium is the answer
The element in the ground state that has only 1 electron in a p orbital is Aluminum (Al), which has the electron configuration of [ N e ] 3 s 2 3 p 1 . Carbon, Fluorine, and Nitrogen have more than 1 electron in their p orbitals, while Hydrogen has none. Thus, the correct choice is E. Aluminum.
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