Sodium Sulfate and Ion Charges

The video tutorial explains how to name the compound Na2SO4, known as sodium sulfate. It begins by identifying sodium as the metal component and recognizing the presence of a polyatomic ion, SO4, which is sulfate. The tutorial details the charge balancing between sodium and sulfate ions and concludes with the correct naming of the compound.

What is the first step in naming the compound Na2SO4?

• Identify the non-metal group

• Look up the metal in the periodic table

• Determine the charge of the sulfate ion

• Find the compound in a common ion table

What type of ion is SO4 in the compound Na2SO4?

• Anion

• Monatomic ion

• Cation

• Polyatomic ion

How do you balance the charges in Na2SO4?

• By adding more sodium ions

• By ensuring the total positive charge equals the total negative charge

• By changing the sulfate ion to a different ion

• By using a different metal

What is the charge of the sulfate ion in Na2SO4?

• 1-

• 4-

• 2-

• 3-

What is the final name of the compound Na2SO4?

• Sodium sulfide

• Sodium sulfide

• Sodium sulfate

• Sodium sulfite