Lead(IV) Oxide and Charge Balancing

The video tutorial explains how to write the chemical formula for lead(IV) oxide. It begins by identifying lead and oxygen on the periodic table, noting their symbols and charges. Lead is a transition metal with a 4+ charge, while oxygen has a 2- charge. The tutorial demonstrates how to balance these charges to form a neutral compound, resulting in the formula PbO2. The process involves adjusting subscripts to ensure the net charge is zero, confirming the correct formula for lead(IV) oxide.

What is the element symbol for lead as found on the periodic table?

• Pd

• Pb

• Le

• Ld

Which type of compound is formed when a metal and a non-metal combine?

• Molecular

• Covalent

• Ionic

• Metallic

What is the charge of lead in lead(IV) oxide?

• 5+

• 4+

• 3+

• 2+

What is the charge of oxygen in lead(IV) oxide?

• 1-

• 2-

• 3-

• 4-

How do you balance the charges in lead(IV) oxide to achieve a neutral compound?

• Add more lead atoms

• Add more oxygen atoms

• Change the charges

• Adjust the subscripts

What subscript is used for oxygen in the formula of lead(IV) oxide to balance the charges?

• 1

• 2

• 3

• 4

What is the final formula for lead(IV) oxide?

• Pb2O

• Pb2O3

• PbO2

• PbO

What is the net charge of a correctly balanced lead(IV) oxide compound?

• +2

• 0

• +4

• -2