Question

write the expression to calculate the energy of the electron of its stationary state? class 11 cbse chemistry chapter 2

Answer 1

Answer:

1) E=−13.6n2 where the energy is in electron volts.

2) n is the principle quantum number.

3) So for an electron in n=1 :

4) E=−13.6eV.

5) To convert to joules you can x this by 1.6×10−19

Bohr's Explanation for Energy Level:

Different orbits in which electrons revolve are known as stationary states or energy levels. These stationary states/ energy level for an electron are numbered as n = 1, 2, 3……….. These integers are also known as the principal quantum numbers

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