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Minimum energy required to takeout the only one electron from ground state of He+ is |
13.6 eV 54.4 eV 27.2 eV 6.8 eV |
54.4 eV |
$E_n=-\frac{13.6 z^2}{n^2} ~eV \Rightarrow E_1=-\frac{13.6 \times(2)^2}{(1)^2}$ = -54.4 eV Amount of energy required to take electron from Ground state of He+ is 54.4 eV. |
