1s2 2s2 2p6 3s2 3p6
1S2 2s2 2p6 3s2 3p5 4s1
[Ne] 3s2 3p6
or
2, 8, 8
[Ar} 1s2 2s2 2p6 3s2 3p6
The element argon (atomic number 18) has the electron configuration 1s22s22p63s23p6 which can be abbreviated [Ne] 3s23p6
The electron configuration, in standard form, is [Ne] 3s2 3p6
The electron configuration for argon is: 1s22s22p63s23p6
1s22s22p63s23p6
18Ar is a noble gas. Its electron configuration is 1s2 2s2 2p6 3s2 3p6.
1s2 2s2 2p6 3s2 3p6
The element is argon
The element argon (atomic number 18) has the electron configuration 1s22s22p63s23p6 which can be abbreviated [Ne] 3s23p6
The electron configuration, in standard form, is [Ne] 3s2 3p6
The electron configuration for argon is: 1s22s22p63s23p6
1s22s22p63s23p6
Argon Ar
18Ar is a noble gas. Its electron configuration is 1s2 2s2 2p6 3s2 3p6.
Ar is Argon and Ar 4s1 is the short form of the electron configuration 1s2 2s2 2s6 3s2 3s6 4s1. It means add 4s1 to the electron configuration of Argon to get the electron configuration of potassium.
K+ and argon have the same electron configuration
Chloride anion Cl- has the same electron configuration as Argon (its succeding noble gas) so:Cl- has 18 electrons configured like: 1s2, 2s2 2p6, 3s23p6
Argon. Calcium has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2, and when it loses its valence electrons (the outermost 4s2 electrons) it has a configuration identical to argon. If you don't know about sublevels, then disregard that. Calcium has a configuration of 2-8-8-2, and when it loses its 2 valence electrons, it has a configuration identical to argon in the ground state. Hope that cleared it up