Identify the element in the following period and group period 2 and group 17

I looked at the periodic table and the element that lines up between the two is F which is Fluorine.

Explanation: I hope this helps!

i have know clue i guess aluminum

i think lol

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.