Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The binding energy of an electron in the ground state of the He atom is equal to 24 eV. The energy required to remove both the electrons from the atom will be – - Sarthaks eConnect

The binding energy of an electron in the ground state of the He atom is equal to 24 eV. The energy required to remove both the electrons from the atom will be :–

The binding energy of an electron in the ground state of the He atom is equal to 24 eV. The energy required to remove both the electrons from the atom will be :–

A.

59 eV

B.

81 eV

C.

79 eV

D.

None of these

Solution

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Best answer

Ionization energy of He=`z^2/n^2xx13.6=2^2/1^2xx13.6=54.4 eV`

Energy required to remove the electrons

= Binding energy + Ionization energy = 24.6 + 54.4 = 79 eV