Question

if potential energy of an electron in the third shell of he ion is E then Kinetic energy is

Answer 1

Answer:

Explanation:

E  

n

​

=−  

n  

2

 

(218×10  

−18

J)Z  

2

 

​

atom  

−1

 

For He  

+

,n=1,Z=2

E  

1

​

=  

12

−(2.18×10  

−18

J)2  

2

 

​

=−8.72×10  

−18

J

1.602×10  

−19

Joule=1eV

−8.72×10  

−18

=  

1.602×10  

−19

J

1

​

×−8.72×10  

−18

JeV

=−5.44×10  

−18+19

 

=−54.4eV