Which of the following is true about the Lewis dot representation in a covalently bonded molecule?

The inner shell electrons are shown using small dots.
The most electronegative atom is shown in the middle.
The bonded pair of valence electrons are shown by lines.
The non-bonded pair of valence electrons are shown by cross marks.

Question

05-12-2018
Chemistry

contestada

Which of the following is true about the Lewis dot representation in a covalently bonded molecule?

The inner shell electrons are shown using small dots.
The most electronegative atom is shown in the middle.
The bonded pair of valence electrons are shown by lines.
The non-bonded pair of valence electrons are shown by cross marks.

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Annainn Annainn · Answer 1 · 2018-12-18T05:45:00+01:00

A Lewis dot diagram depicts bonding between atoms in a molecule. Since it is the valence electrons that are involved in bonding, a lewis dot structure allows for a clear visualization of the number of bonding electron pairs as well as the number of lone pairs (if any) around an atom.

In this representation, the bonded pairs are depicted by lines between atoms and lone pairs which do not participate in bonding are represented by dots.

Ans: C) The bonded pair of valence electrons are shown by lines.

kumaripoojavt kumaripoojavt · Answer 2 · 2022-07-20T12:51:17+02:00

The bonded pair of valence electrons are shown by lines. Hence, option C is correct.

What is a covalent bond?

A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.

A Lewis dot diagram depicts bonding between atoms in a molecule. Since it is the valence electrons that are involved in bonding, a lewis dot structure allows for clear visualization of the number of bonding electron pairs as well as the number of lone pairs (if any) around an atom.

In this representation, the bonded pairs are depicted by lines between atoms and lone pairs which do not participate in bonding are represented by dots.

Hence, option C is correct.

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