The energy required to remove the electron from a singly ionized Helium atom is 2.2 times the energy required to remove an electron from Helium atom. The total energy required to ionize the Helium atom completely is:
Text Solution
Verified by ExpertsThe correct answer is:
B
We know that for hydrogen like atom binding energy is given by
B.E 
when there is only one electron in atom
So 
According to question, 2.2 times of energy is required to remove second electron than 
.
So, energy required to remove 
electron is
∴ Total energy used 
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