Understanding Carbonate Ion Properties

The video tutorial explains the carbonate ion, CO3 2-, focusing on its ionic charge and the number of atoms it contains. The 2- charge indicates two extra electrons, making it an anion. The carbonate ion consists of one carbon atom and three oxygen atoms, totaling four atoms. The tutorial clarifies the concept of ionic charge and how it applies to the entire ion.

What is the chemical formula for the carbonate ion?

• CO3 2+

• CO3 2-

• CO4 2-

• CO2 3-

What does the '2-' in CO3 2- signify?

• Two missing electrons

• Two extra electrons

• Two extra protons

• Two missing protons

What type of ion is CO3 2-?

• Cation

• Anion

• Neutral

• Radical

How many carbon atoms are present in the carbonate ion?

• Two

• Three

• Four

• One

How many oxygen atoms are in the carbonate ion?

• Two

• Four

• One

• Three

What is the total number of atoms in the carbonate ion?

• Five

• Three

• Four

• Six