If the electron in a hydrogen atom were in the energy level with \(... VIDEO
If the electron in a hydrogen atom were in the energy level with \( n=3 \), how much energy in joule would be required to ionise the atom? (Ionisation energy of \( \mathrm{H} \)-atom is \( 2.18 \times 10^{-18} \mathrm{~J} \) ):https://bit.ly/YTAI_PWAP https://www.pw.live
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