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# The electronic configuration of ${\mathrm{U}}^{3+}$ ion is:

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## Electronic configurationThe distribution of electrons into orbitals of an atom is called its electronic configuration. Electronic configuration of ${\mathrm{U}}^{3+}$The symbol for Uranium is $\mathrm{U}$ and its atomic number is $92$.The electronic configuration of $\mathrm{U}$ is $\left[\mathrm{Rn}\right]5{\mathrm{f}}^{3}6{\mathrm{d}}^{1}7{\mathrm{s}}^{2}$.It is a f-block element and belongs to actinide series.Uranium loses 3 electrons from the outermost shell and ${\mathrm{U}}^{3+}$ ion is formed.So, the electronic configuration of ${\mathrm{U}}^{3+}$ ion is $\left[\mathrm{Rn}\right]\mathbf{5}{\mathbf{f}}^{\mathbf{3}}$.

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