Lead Compounds and Ions Concepts

The video tutorial explains how to write the formula for lead(II) carbonate. It begins by identifying lead and carbonate ions, noting that carbonate is a polyatomic ion. The tutorial discusses the ionic nature of the compound and the importance of balancing charges to achieve a neutral compound. The lead ion has a 2+ charge, while the carbonate ion has a 2- charge, resulting in a net charge of zero. The final formula for lead(II) carbonate is PbCO3.

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

• Ld

• Pd

• Le

• Pb

Which of the following is a polyatomic ion?

• NaCl

• H2O

• CO3^2-

• O2

What type of compound is formed by lead and carbonate?

• Covalent

• Ionic

• Metallic

• Molecular

What is the charge on the carbonate ion?

• 1+

• 2+

• 2-

• 1-

What is the charge on lead in lead(II) carbonate?

• 3+

• 4+

• 1+

• 2+

What is the correct formula for lead(II) carbonate?

• PbCO3

• Pb2CO3

• Pb(CO3)2

• PbCO2