Lead Compounds and Their Properties

The video tutorial explains how to name the compound PbCO3 by identifying Pb as a transition metal and CO3 as a polyatomic ion, specifically the carbonate ion. It details the process of naming the metal and ion, considering the charge balance, and using Roman numerals to indicate the charge of the transition metal. The final name is Lead (II) Carbonate, and the tutorial provides tips for writing the formula from the name.

What type of metal is lead in the compound PbCO3?

• Noble gas

• Alkaline earth metal

• Transition metal

• Alkali metal

What is the name of the polyatomic ion CO3 in PbCO3?

• Phosphate ion

• Sulfate ion

• Nitrate ion

• Carbonate ion

When naming PbCO3, what is the first step?

• Write the name of the polyatomic ion

• Identify the charge of the metal

• Determine the number of ions

• Write the name of the metal as it appears on the periodic table

Why is it necessary to indicate the charge of lead in PbCO3?

• Because lead is a noble gas

• Because lead is a transition metal

• Because lead is an alkali metal

• Because lead is a non-metal

What is the charge of the carbonate ion in PbCO3?

• 3-

• 2-

• 1-

• 0

What Roman numeral is used to indicate the charge of lead in PbCO3?

• IV

• I

• II

• III

What is the full name of the compound PbCO3?

• Lead (I) Carbonate

• Lead (II) Carbonate

• Lead Carbonate

• Lead (III) Carbonate

If given the name Lead (II) Carbonate, what would be the charge of lead?

• 1+

• 2+

• 4+

• 3+