The energy required to remove the second electron from a singly ionized helium atom is
A) 13.6 eV.
B) 27.2 eV.
C) 40.8 eV.
D) 54.4 eV.

Question

Quizplus · Accepted Answer

The energy required to remove the second electron from a singly ionized helium atom is 54.4 eV. This is because the helium nucleus has a charge of +2, and after removing one electron, the remaining electron experiences a stronger attraction to the nucleus, requiring more energy to remove it.

The Energy Required to Remove the Second Electron from a Singly