Question

Energy required to ionise electron from 1st exited state of h atom

Answer 1

Explanation:

Explanation: If an electron is in the first energy level, it must have exactly -13.6 eV of energy. If it is in the second energy level, it must have -3.4 eV of energy. An electron in a hydrogen atom cannot have -9 eV, -8 eV or any other value in between.

Answer 2

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• If an electron is in the first energy level, it must have exactly -13.6 eV of energy. If it is in the second energy level, it must have -3.4 eV of energy.

• An electron in a hydrogen atom cannot have -9 eV, -8 eV or any other value in between.