Understanding Carbonate Ions and Vadium

The video tutorial explains how to write the chemical formula for vadium(IV) carbonate. It begins by identifying vadium as a transition metal with a charge of 4+ and carbonate as a polyatomic ion with a charge of 2-. The tutorial details the process of balancing these charges to achieve a net charge of zero, resulting in the formula V(CO3)2. It also covers the naming convention for such compounds, using Roman numerals to indicate the charge of the metal. The video is presented by Dr. B, who guides viewers through the steps of writing and naming the compound.

What is the element symbol for Vadium?

• Vi

• V

• Va

• Vm

What is the charge of Vadium in Vadium 4 Carbonate?

• 5+

• 2+

• 3+

• 4+

What is the formula for the carbonate ion?

• CO2

• CO3

• C2O4

• C3O2

What is the ionic charge of the carbonate ion?

• 3-

• 2-

• 1-

• 4-

How many carbonate ions are needed to balance the charge of Vadium in Vadium 4 Carbonate?

• 1

• 4

• 2

• 3

What is the net charge of the ionic compound formed by Vadium and carbonate ions?

• 3+

• 0

• 1+

• 2+

What is the correct formula for Vadium 4 Carbonate?

• VCO3

• V2(CO3)4

• V(CO3)2

• V2CO3

How is the charge of Vadium represented in the name of Vadium 4 Carbonate?

• Roman numerals

• Arabic numerals

• Scientific notation

• Greek letters