How many non-bonding electrons are present on the indicated atom? 'N'

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Question:**

How many non-bonding electrons are present on the indicated atom?

**Description:**

The image shows a molecular diagram with the structural formula of a compound. In the diagram:

1. There is a carbon atom double-bonded to an oxygen atom.
2. The carbon atom is also single-bonded to another carbon atom on its left side.
3. The second carbon atom is indicated to have two additional single bonds: one to a nitrogen atom, and one to another carbon atom.
4. The nitrogen atom is highlighted with an arrow pointing to it.

**Discussion:**

To determine the number of non-bonding (lone pair) electrons on the indicated nitrogen (N) atom:

1. Nitrogen is in Group 15 of the periodic table and has 5 valence electrons.
2. Nitrogen typically forms 3 bonds and has 1 lone pair of electrons.
3. In the diagram, the nitrogen atom forms two single bonds (one to carbon and one to another atom not shown explicitly in the diagram).

Hence, the nitrogen atom has 2 non-bonding electrons, as these electrons are not involved in bonding but reside on the nitrogen atom as a lone pair.
Transcribed Image Text:**Question:** How many non-bonding electrons are present on the indicated atom? **Description:** The image shows a molecular diagram with the structural formula of a compound. In the diagram: 1. There is a carbon atom double-bonded to an oxygen atom. 2. The carbon atom is also single-bonded to another carbon atom on its left side. 3. The second carbon atom is indicated to have two additional single bonds: one to a nitrogen atom, and one to another carbon atom. 4. The nitrogen atom is highlighted with an arrow pointing to it. **Discussion:** To determine the number of non-bonding (lone pair) electrons on the indicated nitrogen (N) atom: 1. Nitrogen is in Group 15 of the periodic table and has 5 valence electrons. 2. Nitrogen typically forms 3 bonds and has 1 lone pair of electrons. 3. In the diagram, the nitrogen atom forms two single bonds (one to carbon and one to another atom not shown explicitly in the diagram). Hence, the nitrogen atom has 2 non-bonding electrons, as these electrons are not involved in bonding but reside on the nitrogen atom as a lone pair.
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