1s2, 2s2 2p6, 3s2 3p1or[Ne], 3s2 3p1
[Ne] 3s2 3p1
Atom number 13, Al, with 13 electrons configurated as: 1s2, 2s2 2p6, 3s2 3p1.
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p1
Aluminium
1s2, 2s2 2p6, 3s2 3p1or[Ne], 3s2 3p1
[Ne]3s23p1
The element aluminum (atomic number 13) has the electron configuration [Ne] 3s2 3p1 which is completely expressed by 1s2 2s2 2p6 3s2 3p1
(Ne) 3S2 3P1
[Ne] 3s2 3p1
[Ne] 3s2 3p1
Atom number 13, Al, with 13 electrons configurated as: 1s2, 2s2 2p6, 3s2 3p1.
[Ne] 3s2 3p1
n=3
1s2 2s2 2p6 3s2 3p1
1s2 2s2 2p6 3s2 3p1