Magnesium Carbonate and Ionic Charges

The video tutorial explains how to write the formula for magnesium carbonate. It begins by identifying magnesium on the periodic table and recognizing carbonate as a polyatomic ion. The tutorial discusses the ionic nature of the compound, emphasizing the need to balance charges to achieve a neutral compound. Magnesium, with a 2+ charge, and carbonate, with a 2- charge, combine to form MgCO3. The video concludes with a brief summary and thanks to the viewers.

What is the chemical symbol for magnesium?

• Mc

• Mg

• Mn

• Ma

Which of the following is the correct formula for the carbonate ion?

• CO4 2-

• CO3 2-

• CO2

• CO3 3-

Why do we need to consider the charges of ions when writing the formula for magnesium carbonate?

• To make the compound heavier

• To ensure the compound is colorful

• To make the compound more reactive

• To ensure the compound is neutral

What is the ionic charge of magnesium in magnesium carbonate?

• 2-

• 1+

• 2+

• 1-

What is the net charge of magnesium carbonate?

• 1+

• 2-

• 0

• 2+

What is the final formula for magnesium carbonate?

• MgCO2

• MgCO3

• Mg(CO3)2

• Mg2CO3