Which of the following is a hydrogen-like species?

(A) He2+ 

(B) Be3+ 

(C) Li+

(D) H+


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Corrct Option is : (B) \(Be^{3+}\)

Hydrogen like species means elements have only one electron in their shell .

Here , \(Be^{+3}\) has only one electron while , \(He^{+2}\) - has no electron & \(Li^+\) has two electrons in their shell.

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Option : (B) Be3+

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