Sodium Nitrite and Its Properties

The video tutorial explains how to name the compound NaNO2. It begins by identifying NO2 as a polyatomic ion known as nitrite. The tutorial then describes the process of naming ionic compounds, emphasizing the importance of recognizing the metal and the polyatomic ion. The name for NaNO2 is determined to be sodium nitrite. The video also covers how to write the formula for sodium nitrite by understanding the ionic charges of sodium and nitrite. The tutorial concludes with a sign-off from Dr. B.

What type of ion is NO2 in the compound NaNO2?

• Nitrate ion

• Nitrogen ion

• Nitrite ion

• Nitride ion

What is the first step in naming the compound NaNO2?

• Determine the charge of the ions

• Write the name of the metal

• Identify the polyatomic ion

• Balance the chemical equation

What is the correct name for the compound NaNO2?

• Sodium nitrate

• Sodium nitride

• Sodium nitrite

• Sodium nitrogen

What is the charge of the nitrite ion in NaNO2?

• 2+

• 1-

• 2-

• 1+

How many sodium atoms are needed to balance the charge of one nitrite ion in NaNO2?

• No sodium atoms

• Three sodium atoms

• One sodium atom

• Two sodium atoms

What is the chemical formula for sodium nitrite?

• NaNO2

• NaN

• NaNO3

• Na2O