iron
neon!
With it being a dipositive ion, the original element has lost 2 electrons. Making the configuration 1s2 2s2 2p6 3s2 2p4. That Configuration is Sulfur.
Atoms of the element sodium (atomic number 11) have the electron configuration 1s22s22p63s1 with the noble gas form [Ne] 3s1
1s22s22p63s1 or [Ne]3s1
2,8,1 or with sub-levels 1s22s22p63s1
1s22s22p63s1 or [Ne]3s1
1s22s22p63s1
Sodium atoms do have electrons that are arranged in energy levels. The electron configuration of sodium is 1s22s22p63s1.
-2 Another view the p-shell, one of the 4 sub-shells always represents the outermost shell.
The most likely electron configuration for a sodium ion in its ground state is 1s22s22p63s1.
1 Its electron configuration is 1s22s22p63s1. A good periodic table that includes electron configurations can be found under related links.
Atoms of the element sodium (atomic number 11) have the electron configuration 1s22s22p63s1 with the noble gas form [Ne]3s1