Quantum Numbers and Electron Configuration Quiz
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Questions and Answers

What does the angular quantum number (l) specify?

  • Specifies the energy of the subshell; the energy of the subshell increases with l
  • Specifies the orientation of the spin axis of an electron
  • Specifies the shape of an orbital with a particular principal quantum number (correct)
  • Specifies the orientation in space of an orbital of a given energy and shape

What does the principle quantum number (n) specify?

  • The shape of an orbital with a particular principal quantum number
  • The orientation in space of an orbital of a given energy and shape
  • The orientation of the spin axis of an electron
  • The energy of an electron and the size of the orbital (correct)

What does the magnetic quantum number (ml) specify?

  • $ml = -l,., 0,., +l$. Specifies the orientation in space of an orbital of a given energy (n) and shape (l) (correct)
  • $ml = -l,., 0,., +l$. Specifies the orientation of the spin axis of an electron
  • $ml = -l,., 0,., +l$. Specifies the energy of the subshell; the energy of the subshell increases with l
  • $ml = -l,., 0,., +l$. Specifies the shape of an orbital with a particular principal quantum number

How many orbitals are there in each p subshell?

<p>3 (C)</p> Signup and view all the answers

What does the spin quantum number (ms) specify?

<p>$ms = +½ or -½$. Specifies the orientation of the spin axis of an electron (D)</p> Signup and view all the answers

Flashcards

Angular quantum number (l)

Describes the shape of an electron's orbital, determined by the principal quantum number (n).

Principal quantum number (n)

Indicates the energy level and approximate size of an electron's orbital.

Magnetic quantum number (ml)

Determines the orientation of an orbital in space for a given energy level (n) and shape (l).

Spin quantum number (ms)

Specifies the spin of an electron, which is quantized and can be either spin up or spin down.

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Number of p orbitals

The p subshell contains three orbitals, each having a different orientation in space.

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