What is the electron configuration of argon?


Quick Answer

The electron configuration for argon is 1s2 2s2p6 3s2p6, which can be abbreviated to [Ne] 3s2 3p6. The electron configuration of the element indicates the location of the 18 electrons in an uncharged atom of argon.

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Full Answer

The first number in each grouping of the electron configuration represents the energy level, or shell. The letters indicate the sub-shell in which the electrons are located, which are also called orbitals. The number after the sub-shell shows the number of electrons that each sub-shell at each particular energy level contains. Argon is in group 18 of the periodic table of elements, which contains the noble gases.

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