Energy of an electron in the ground state of the hydrogen atom is - 2-18 x ${{10}^{-18}}$

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#1

Energy of an electron in the ground state of the hydrogen atom is - 2-18 x ${{10}^{-18}}$ . Calculate the ionization enthalpy of atomic hydrogen in terms of kJ/mol.


#2

The energy required to remove an electron in the ground state of hydrogen atom