Quantum Mechanics Quiz

What does it mean when an electron moves to a higher energy level?

• It releases energy

• It absorbs energy

• It becomes a proton

• It loses energy

What quantum principle is involved in the arrangement of electrons in orbitals?

• Periodic Law

• Newton's First Law

• Aufbau Principle

• Charles' Law

Which quantum number determines the shape of an orbital?

• Principal (n)

• Magnetic (ml)

• Spin (ms)

• Angular momentum (l)

The emission of spectral lines is caused by:

• Absorption of light

• Increase in atomic mass

• Electrons moving to higher energy levels

• Electrons returning to lower energy levels

The light emitted when an electron drops from n=3 to n=2 in a hydrogen atom is:

• Infrared

• Red visible light

• Ultraviolet

• X-ray

Which of the following is a benefit of quantum mechanics in healthcare?

• Gasoline production

• MRI scanning

• Plant growth

• Mechanical engineering

Which quantum number defines the size of the electron cloud?

• n

• l

• ml

• ms

Which of these principles prevents electrons from occupying the same quantum state?

• Hund's Rule

• Pauli Exclusion Principle

• Aufbau Principle

• Dalton's Law

Why does hydrogen have more than one spectral line?

• It has more than one proton

• It has more than one isotope

• It has multiple electron transitions

• It has two nuclei

Which element has the electron configuration 1s² 2s² 2p⁶?

• Oxygen

• Neon

• Carbon

• Fluorine