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An energy of 24.6 ev is required to remove one electron from neutral Helium atom the energy required to remove both the electron is?

6 years ago

Answers : (2)

Aarti Gupta
askIITians Faculty
300 Points
							On removing an electron the Helium atom becomes a single 
electron atom, applying Bohr's Model ,the energy of the single 
electron is given by 
-13.6z2n2 (where z is atomic no. and n is the no. of the shell in which the electron resides).
Thus ,
the energy comes out to be -13.641, which is -54.4.
So ,
the total energy required to remove both the electrons will be 24.6+54.4=79.0
Thanks & Regards
Aarti Gupta
askiitians Faculty
6 years ago
Abhinandan
20 Points
							On removing an electron the Helium atom becomes a single electron atom, applying Bohr`s Model ,the energy of the single electron is given by -13.6z2n2 (where z is atomic no. and n is the no. of the shell in which the electron resides). Thus ,the energy comes out to be -13.641, which is -54.4. So ,the total energy required to remove both the electrons will be 24.6+54.4=79.0
						
3 years ago
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