If same energy is supplied to electron in ground state of Hydrogen as well as He+, electron jump to 5th main shell in Hydrogen, then what would be final orbit of electron in He+?

Dear Student,

Since same energy is supplied,En(energy of electron of He+ in nth orbital)=E5(energy of electron in 5th orbit of H)Energy of an electron is goven by, En=-13.6Z2n2For the 5th orbit of H atom, E5=-13.6(1)2(5)2For the nth orbit of He+ atom , En=-13.6(2)2(n)2Comparing the two, we get(2)2(n)2=(1)2(5)2or n =2×5=10Therefore, final orbit of He+ will be 10.

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