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When writing electron configurations, which quantum number describes the shape of the orbital?
- A Principal quantum number (n)
- B Azimuthal quantum number (l)
- C Magnetic quantum number (m)
- D Spin quantum number (s)
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The shape of the orbital is described by the azimuthal quantum number (l). It determines the subshell (s, p, d, f) to which an orbital belongs. The value of l ranges from 0 to (n-1), where n is the principal quantum number.
