Understanding Cobalt and Carbonate Compounds

This video tutorial explains how to name the compound CO2CO3 by identifying the elements and polyatomic ions involved. It highlights the importance of distinguishing between lowercase and uppercase letters in chemical formulas, such as differentiating between cobalt and carbon-oxygen combinations. The tutorial guides viewers through the process of naming the metal and polyatomic ion, determining the charges, and using Roman numerals to indicate the charge of transition metals. The video concludes with the complete name of the compound, Cobalt(III) Carbonate.

What is the correct interpretation of the lowercase 'c' in CO2 CO3?

• Calcium

• Cobalt

• Carbon

• Chlorine

Which element is represented by the uppercase 'C' in CO2 CO3?

• Chlorine

• Calcium

• Carbon

• Cobalt

What is the first step in naming the compound CO2 CO3?

• Determine the charge of the metal

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

• Calculate the net charge

• Identify the polyatomic ion

What is the name of the polyatomic ion CO3?

• Cyanide

• Chromate

• Chlorate

• Carbonate

What is the charge of the carbonate ion?

• 4-

• 3-

• 2-

• 1-

How many carbonate ions are present in CO2 CO3?

• One

• Two

• Three

• Four

What charge must each Cobalt ion have to balance the charge of the carbonate ions?

• 4+

• 3+

• 1+

• 2+

How is the charge of Cobalt represented in the final name of the compound?

• Using chemical symbols

• Using Greek letters

• Using Roman numerals

• Using Arabic numerals