The electronic configuration of U 3- ion is-A- - Rn - 5 f 2B- - Rn - 5 f 7C- - Rn - 5 f 6D- -Rn- 5f

The correct option is D [Rn] 5f3 The electronic configuration of U3+ ion is [Rn] 5f3. ...

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Multi-Electron Configurations and Orbital Diagrams

The electroni...

Question

The electronic configuration of U³⁺ ion is:

[Rn] 5f²

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[Rn] 5f⁶

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[Rn] 5f⁷

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[Rn] 5f³

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The element Z = 114 has been discovered recently. It will belong to which of the following family/group and electronic configuration? [NEET 2017]

r_{n + 1} - r_{n - 1} = 2 r_{n}

r_{n}, r_{n - 1}, r_{n + 1}

n^{t h}, (n - 1)^{t h}, (n + 1)^{t h}

n

R_{n} = {(5 \sqrt{5} + 11)}^{2 n + 1}

f_{n} = R_{n} - [R_{n}]

[x]

\leq x

\frac{1}{4} (R_{3} f_{3})

Protactinium or Pa (Z = 91) =[Rn]5f26d17s2

Why we are writing [Rn]? Why 5f2 and Not 5f14?

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