🔋college physics i – introduction review

key term - Spin quantum number

Definition

The spin quantum number ($m_s$) describes the intrinsic angular momentum of an electron within an atom. It can take on values of $+\frac{1}{2}$ or $-\frac{1}{2}$, corresponding to the two possible spin states.

5 Must Know Facts For Your Next Test

  1. The spin quantum number ($m_s$) can only be $+\frac{1}{2}$ or $-\frac{1}{2}$.
  2. Spin is a fundamental property of electrons, similar to charge and mass.
  3. Electrons with opposite spins can occupy the same orbital according to the Pauli exclusion principle.
  4. The concept of electron spin explains magnetic properties in materials.
  5. Electron spin contributes to the overall angular momentum of atoms and molecules.

Review Questions

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