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Which outcome occurs when a molecule absorbs ultraviolet photons?

A)Electrons transition to higher energy orbitals
B)Molecular bonds weaken, decreasing stability
C)Vibrational modes decrease; material stiffens
D)Nuclear spin flips, creating MRI signal

💡 Explanation

When a molecule absorbs UV photons, the molecule undergoes photoexcitation. This process causes electrons to jump to higher energy orbitals because the energy of the photon matches the energy gap; therefore, orbitals hybridize, rather than leading to other outcomes.

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