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# What is uranium's electron configuration?

The for Uranium (U) is based upon the placement of uranium in the fourth column of the actinide series or f block. Therefore th electron configuration for uranium must end as ##5f^4##,

##1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5 p^6 6s^2 4e^14 5d^10 6p^6 7s^2 5f^4##

This notation can be written in core notation or noble gas notation by replacing the##1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5 p^6 6s^2 4e^14 5d^10 6p^6## with the noble gas [Rn].

##[Rn] 7s^2 5f^4##

I hope this was helpful. SMARTERTEACHER