Principal Quantum Number: The Key to Electron Shells

Principal Quantum Number: The Key to Electron Shells

Assessment

Interactive Video

Chemistry, Science, Physics

10th Grade - University

Hard

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The video tutorial explains quantum numbers, focusing on the principal quantum number (N). It describes how quantum numbers predict electron position, spin, energy, and angular momentum. The principal quantum number determines energy levels, electron orbits, and their distance from the nucleus. As N increases, energy levels expand, and electron energy rises. The video also covers the electron capacity of energy levels, calculated using 2N², with examples from hydrogen atoms.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Provide an example of how the principal quantum number relates to the energy of an electron in a hydrogen atom.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the spacing between energy levels change as the principal quantum number increases?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the maximum number of electrons that can be held in an energy level with a given principal quantum number?

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