Magnesium, Mg
The element with the electron configuration 1s2 2s2 2p6 is neon (Ne).
The element with the electron configuration 1s2 2s2 2p6 3s2 3p6 is Argon, which has an atomic number of 18.
Magnesium
This group has the electron configuration of sulfur. The element sulfur has 16 electrons, and its electron configuration is 1s2 2s2 2p6 3s2 3p4.
1s2 2s2 2p6 3s2 3p3 is the electron configuration of element 15.
Argon
The full configuration of He 2s2 2p6 is 1s2 2s2 2p6. This configuration represents a neutral oxygen atom with its electrons distributed in the 1s, 2s, and 2p orbitals.
There are a total of 14 electrons in this electron configuration. The element whose atomic number corresponds to 14 is silicon.
1s2 2s2 2p6 3s2 3p6 3d8 4s2
The investigator will find that 1s2 2s2 2p6 is the electron configuration for neon.
1s2 2s2 2p6 3s2 3p6 is the electron configuration of chlorine
The element with this electron configuration is arsenic (As), with 33 electrons.