Question

4- Please I want answer with steps and clear typing or hand writing. Many thanks

The following diagram is a shell representation of an atom. When the atom is exposed to light, the
electron absorbs light and undergoes excitation from ground state to excited state as shown in the
diagram.
ground etato
eKcked stete

Image Transcription

The following diagram is a shell representation of an atom. When the atom is exposed to light, the electron absorbs light and undergoes excitation from ground state to excited state as shown in the diagram. ground etato eKcked stete

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