Which of the following best explains why gaseous atoms produce a discrete line emission spectrum rather than a continuous spectrum?

A) Electrons collide directly with the atomic nucleus and release energy at random intervals.

B) Electrons release photons of specific frequencies when dropping between quantized energy levels.

C) Protons absorb discrete packets of electromagnetic radiation as they oscillate inside the nucleus.

D) Valence electrons are continuously ejected from the atom across an unbroken range of kinetic energies.

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Chemistry · Atomic Structure · Chemistry · Electrons in Atoms

1 Chemistry practice questions on Atomic emission spectra. Questions that assess core concepts and understanding.

Atomic Structure · Chemistry

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