The potential energy of an electron in a h atom is -6.8eV . In which excited state , the electron is present???
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Explanation:
potential energy of an electron is -13.6 × Z2/n
where z is atomic no. and n is shell no.
- 6.8 = -13.6 ×1/n (z = 1)
n = 2
the electron is present in 2nd shell
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