Phosphorus-Oxygen Ion Structure Concepts

Dr. B explains how to draw the Lewis structure for the phosphite ion, PO3 3-. The video covers the calculation of valence electrons, placing atoms, forming bonds, and calculating formal charges. It emphasizes the importance of representing the ion with brackets and the charge. The tutorial ensures understanding of the structure and charge distribution in the phosphite ion.

How many valence electrons does Phosphorus have in the PO3 3- ion?

• 8

• 6

• 5

• 3

What is the total number of valence electrons in the PO3 3- ion?

• 26

• 30

• 24

• 28

Where is the Phosphorus atom placed in the PO3 3- Lewis structure?

• On the side

• At the bottom

• In the center

• At the top

How many valence electrons are used to form bonds between Phosphorus and Oxygen in the PO3 3- structure?

• 4

• 10

• 6

• 8

What is the formal charge on each Oxygen atom in the PO3 3- ion?

• 0

• -1

• +1

• -2

Why is it important to put brackets around the PO3 3- structure?

• To indicate it is a molecule

• To show it is an ion

• To highlight the central atom

• To emphasize the bonds