Question

Draw a dot diagram for the $\mathrm{NO}_{2}^{+}$ cation.

   Draw a dot diagram for the $\mathrm{NO}_{2}^{+}$ cation.

Introductory Chemistry Atoms First

Introductory Chemistry Atoms First

Steve Russo; Mike… 5th Edition

Chapter 5, Problem 101

Instant Answer

Solved by Expert Susan Hallstrom

03/03/2022

Step 1

Nitrogen (N) has 5 valence electrons, each Oxygen (O) has 6 valence electrons, and we have 2 Oxygen atoms. So, the total number of valence electrons is $5 + 2 \times 6 = 17$. However, since it is a cation with a charge of +1, we subtract one electron, leaving us Show more…

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Draw a dot diagram for the $\mathrm{NO}_{2}^{+}$ cation.

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Key Concepts

Octet Rule

The octet rule is the principle that atoms tend to form bonds until they are surrounded by eight electrons in their valence shell. This rule is a helpful guideline when drawing Lewis dot diagrams to predict the structure of molecules or ions.

Formal Charges

Formal charge calculation helps in evaluating the distribution of electrons among the atoms in a molecule. By minimizing formal charges, one can determine the most stable electron arrangement in a Lewis structure.

Lewis Dot Structures

These are diagrams that represent the arrangement of valence electrons around atoms in a molecule. They are useful for visualizing bonding, non-bonding pairs, and predicting the connectivity of atoms in a molecule.

Valence Electrons Counting

This process involves determining the total number of valence electrons available for bonding in a molecule or ion, while accounting for any overall charge by adding or subtracting electrons accordingly.

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