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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?

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
						
4 years ago
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