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Question

What are the electron configuration, orbital diagram, and noble gas notation of potassium?


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Solution

Electron configuration :

  • An element's electron configuration defines how electrons are dispersed in its atomic orbitals.

Orbital diagram :

  • An orbital diagram, also known as an orbital filling diagram, is a style of notation that depicts the electron distribution and electron spin within orbitals of an atom.
  • The orbital diagram depicts the energy rise from one energy sublevel to the next.

Noble gas notation:

  • An atom's noble gas configuration consists of the elemental symbol of the previous noble gas, followed by the arrangement of the remaining electrons.

Potassium

  • The atomic number of potassium is 19.
  • This indicates that the nucleus of potassium contains 19 protons. The number of protons in a neutral atom equals the number of electrons.
How Many Protons Are in Potassium? | Sophisticated Edge
  • As a result, the electron configuration of potassium will have 19 electrons.
  • Potassium's complete electron configuration is 1s22s22p63s23p64s1.
  • Potassium Orbital diagram, Electron configuration, and Valence electrons
  • The noble gas symbol is [Ar]4s1.

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