Lewis Structures and Ionic Compounds

This video tutorial explains how to write the formula for ammonium bicarbonate by understanding the ionic charges of the ammonium and bicarbonate ions. It describes the formation of the ionic compound and provides an overview of the Lewis structures for these ions. The video concludes with a discussion on the crystal structure of ammonium bicarbonate, emphasizing that it is a formula unit with repeating units in a crystal. Dr. B provides links for further help on drawing individual Lewis structures.

What is the charge of the ammonium ion?

• One plus

• Two plus

• Neutral

• One minus

What is another name for the bicarbonate ion?

• Sulfate

• Nitrate

• Carbonate

• Hydrogen carbonate

What type of compound is formed by ammonium and bicarbonate ions?

• Covalent compound

• Ionic compound

• Metallic compound

• Molecular compound

Which ion has a one minus charge?

• Chloride ion

• Ammonium ion

• Bicarbonate ion

• Sodium ion

What is the purpose of drawing Lewis structures in this context?

• To visualize crystal lattice

• To show the molecular geometry

• To illustrate ionic charges

• To depict electron sharing

Where can you find additional help for drawing individual Lewis structures?

• In the glossary

• In the appendix

• In the textbook

• In the video description

What does the Lewis structure for ammonium bicarbonate represent?

• A metallic bond

• A covalent bond

• A formula unit

• A single molecule

What is the nature of ammonium bicarbonate in its solid form?

• A repeating formula unit

• A liquid solution

• A gaseous compound

• A single molecule