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Which of the following is the correct representation of electron dot structure of oxygen?

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(A) only (1)
(B) (1) and (4)
 (C) (1) and (3)
(D) only (4)


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Last updated date: 20th Jun 2024
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Answer
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Hint: The formation of chemical bonding will explain in terms of electrons. The Kossel-Lewis electron dot diagram approach was first to provide some logical explanation of valence which was based on the inertness of noble gases. According to Lewis theory, When atoms are linked with other atoms form chemical bonds to achieve stable octet configuration.

Complete step by step solution:
Lewis electron dot diagram or electron dot diagram:
In the Lewis electron dot diagram, the valence electrons of an atom are symbolized by dots around the symbol of the element.
The number of dots represents the valence electrons of an atom. The arrangement of dots is to the right and left, above and below the symbol of an atom.
Lewis electron dot diagram of the oxygen atom,
Oxygen electronic configuration - $[He]2{{s}^{2}}2{{p}^{4}}$
Oxygen has 8 valence electrons and needs two more electrons to get octet configuration. In oxygen molecules, two electrons share by two oxygen atoms and form oxygen molecules with covalent bonds.
Hence, the electron dot structure of the oxygen molecule is

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The correct answer is option A.

Note: The electron dot diagram is also used to determine the formation of anions cations. The limitations of the electron dot diagram that do not attempt the geometry of molecules and show only the net charge on the ion only than all of the formal charges. This concept fails to explain the structure of the covalent bonds and not explain the release of the energy during the structure of a covalent bond.