At the end of this lesson, students should be able to:

Explain the idea of energy quantization

Explain energy levels in an atom

Define ground state

Define excited state

Explain emission of light energy on return to ground (atomic spectra)

This video will help an O-level or Senior secondary school student prepare for exams such as WEAC, UTME, JAMB, GCE, IJMB, JUPEB, KCPE, and SSCE to come out with flying colors.

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