Genchem Question

[topdent1]

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Atoms absorb photons when they lose electrons. Atoms emit photons when they gain electrons. Is this statement true and could you explain why?

 

[Danny289]

Atoms absorb photons when they lose electrons. Atoms emit photons when they gain electrons. Is this statement true and could you explain why?

look at the photon as "energy" ? does it make sense now?
when the atom absorb photon, its electron will absorb the energy and leave the ground state.