Consider the electron configuration. A box holds an up and a down arrow. A box holds an up and a down arrow. A box holds an up and a down arrow. A box holds an up and a down arrow. A box holds an up and a down arrow. A box holds an up and a down arrow. A box holds an up and a down arrow. A box holds an up and a down arrow. A box holds an up arrow. 1s 2s 2p 3s 3p Which element has this electron configuration?

The Argon () has this electron configuration.

Explanation:

The question is wrong. The correct electron configuration is :

The electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals.

The letters s,p,d and f are called the orbitals.

The numbers 1,2,3,4,5,6 and 7 are called the levels.

The maximum numbers of electrons that the s-orbital can hold is 2 electrons.

The maximum numbers of electrons that the p-orbital can hold is 6 electrons.

The maximum numbers of electrons that the d-orbital can hold is 10 electrons.

The maximum numbers of electrons that the f-orbital can hold is 14 electrons.

The order in which the orbitals are filled is :

1s-2s-2p-3s-3p-4s-3d-4p-5s-4d-5p-6s-4f-5d-6p-7s-5f-6d-7p-6f-7d-7f

To identify the electron configuration of an element we need to count and sum the exponents of its orbitals.

The electron configuration is :

Has the following sum of exponents :

Therefore the total electrons of the element is 18 electrons.

The element that has 18 electrons is Argon ()

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