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The bright-line spectrum of an element in the gaseous phase is produced as 1. protons move from lower energy states to higher energy states 2. protons move from higher energy states to lower energy states 3. electrons move from lower energy states to higher energy states 4. electrons move from higher energy states to lower energy states

Respuesta :

Answer:

4. Electrons move from higher energy states to lower energy states.

Explanation:

When electrons fall from a higher (excited) energy state to a lower energy state, it loses/gives out energy.

This energy is given out by the emission of photons (quanta of light) by the electron.

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