Nickel(III) Carbonate and Carbonate Ion Concepts

The video tutorial explains how to write the chemical formula for Nickel(III) Carbonate. It begins by identifying the element symbol for nickel and its charge as a transition metal. The tutorial then discusses the carbonate ion, its charge, and the importance of memorizing it. Using the crisscross method, the tutorial demonstrates how to balance the charges to form a neutral compound. Finally, the video verifies the formula by checking the charge balance, ensuring the formula is correct.

What is the element symbol for nickel?

• Nc

• Ni

• Nk

• Nl

What charge does nickel have in Nickel(III) Carbonate?

• 4+

• 1+

• 3+

• 2+

What is the chemical formula for the carbonate ion?

• CO3

• CO2

• C2O4

• C3O2

What is the charge of the carbonate ion?

• 0

• 3-

• 2-

• 1-

Why is it important to memorize the carbonate ion?

• It is not important at all.

• It is only used in biology.

• It is frequently encountered in chemistry.

• It is rarely used in chemistry.

What method is used to balance the charges in Nickel(III) Carbonate?

• Cross-multiply method

• Crisscross method

• Substitution method

• Addition method

How many carbonate ions are needed to balance the charge with two nickel ions?

• One

• Two

• Three

• Four

What is the final formula for Nickel(III) Carbonate?

• Ni2(CO3)3

• Ni(CO3)2

• NiCO3

• Ni3(CO3)2

What is the total charge of the compound Nickel(III) Carbonate?

• 0

• 1+

• 2+

• 3+