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Condensed Electron Configuration For Kr

First: Decide the number of electrons. Krypton has a total of 36 electrons

Second: KNOW YOUR ORBITALS
Know how many electrons each orbital tin concur and their guild.
(Refer to the following pictures as notes)

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3rd: Write out the electron configuration

For Krypton and about of the elements there are more the just 1 fashion (usually 2) to write the electron configuration. One manner is to write out the unabridged electron configuration past going through each orbital or we tin use a shorthand note using the noble gases as a starting bespeak. I volition get through both methods:

First Method: (Long way)

We know that Krypton has #36# electrons.

Nosotros know that the #s,p,d# orbital can concord a max of #2,6,10# electrons respectively. Using this as a guide and going through the periodic table we find the electron configuration to be:

#1s^(ii)2s^2 2p^six 3s^2 3p^vi 4s^2 3d^10 4p^6#

2d Method (Shorthand)

The key to using this method is to place the element of group 0 closest to the desired element that is at a lower energy (Has a lower atomic number if I'm loosely speaking). In essence, the shorthand note tells us the configuration by using a noble gas element equally our starting point instead of starting all the way at the #1s# orbital. This method becomes really useful for elements that have a lot of electrons similar Krypton considering information technology becomes a hassle to write out such a long electron configuration.

Coincidently, Krypton itself is a noble gas so we could write the electron configuration as #["Kr"]#. But we could also write out the configuration beginning using #"Ar"# since it is the closest noble gas with the lower energy. From in that location we write out the remaining configuration like we did in the commencement method. The cease upshot would then be: *#["Ar"] 4s^ii 3d^10 4p^6#

*Notice how the configuration #1s^(2)2s^two 2p^vi 3s^ii 3p^6# is the electron configuration for #"Ar"# then by starting with #"Ar"# we betoken that it is the configuration of everything that came before. In essence, #"Ar"# is but a representation for #1s^(ii)2s^2 2p^6 3s^2 3p^six# without usa having to write it all out.

All in all, the three given answers are right means of figuring out the footing-state electron configuration of Krypton .

Condensed Electron Configuration For Kr,

Source: https://socratic.org/questions/what-is-the-ground-state-electron-configuration-of-the-element-kr

Posted by: leewhapin.blogspot.com

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