Respuesta :
The electronic configuration of zinc is expressed as [tex]1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2[/tex]. Hence, option D is correct.
What is an electron configuration?
Electronic configuration, also called electronic structure, is the arrangement of electrons in energy levels around an atomic nucleus.
The atomic number of zinc is 30 therefore The electronic configuration of zinc is expressed as [tex]1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^2[/tex].
In simpler form expressed as [Ar] [tex]3d^10 4s^2[/tex]. The electronic configuration shows the distribution of the electrons of an atom or a molecule.
Hence, option D is correct.
Learn more about the electron configuration here:
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