nick1164
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12.
Which of the following is the name given to the pairs of valence electrons that do not participate in bonding in diatomic oxygen molecules?

Answer :

Diatonic254

Answer:

Nonbonding pairs of electrons.

Explanation:

Both oxygen atoms in the diatomic molecule have two nonbonding pairs. This results in the oxygen molecule having a planar geometric shape. This is because nonbonding pairs repel each other are significant in determining the shape of a molecule.

${teks-lihat-gambar} Diatonic254

Answer: The pair of valence electrons that do not participate in the bonding are lone pairs.

Explanation:

There are 2 types of pair of electrons that are studied in the bonding. They are:

  • Bonding pairs: These pair of electrons participate in the bond formation. They exist as bonds in a molecule. They are also known as bond pairs.
  • Non-bonding pairs: These pair of electrons do not participate in the bond formation. They exist as lone pairs in a molecule.

Oxygen is the 8th element of the periodic table having electronic configuration of [tex]1s^22s^22p^4[/tex]

Number of valence electrons = (2 + 4) = 6

Oxygen needs 2 electrons to complete its octet. When another oxygen combines, they share 2 electrons each forming a double bond.

The Lewis dot structure of oxygen molecule is given below.

Hence, the pair of valence electrons that do not participate in the bonding are lone pairs.

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