Which orbital the last electron of the following elements are filling in? Al, Si, P, S, Cl, and Ar?

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Feb 6, 2018

Answer:

3-p Orbital

Explanation:

All these elements are in the p-Block.Their atomic numbers being, from 13 (in Al) to 18 (in Ar).
Filling the orbitals in the electronic configuration: #1s^2 2s^2 2p^6 3s^2 3p^6 # we get,
#Al: 3p^1#
#Si: 3p^2#
#P: 3p^3#
#S: 3p^4#
#Cl: 3p^5#
#Ar: 3p^6#

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