Manganese Compounds and Carbonate Ions

The video tutorial explains how to write the formula for manganese(III) carbonate. It begins by identifying the element symbol for manganese and explains that carbonate is a polyatomic ion, CO3, with a 2- charge. The tutorial demonstrates balancing the charges to achieve a neutral compound using the crisscross method, resulting in the formula Mn2(CO3)3. The video concludes with a verification of the formula to ensure the net charge is zero.

What is the element symbol for manganese?

• Mo

• Ma

• Mn

• Mg

What type of ion is carbonate?

• Monatomic ion

• Polyatomic ion

• Cation

• Anion

What is the charge of the carbonate ion?

• 1-

• 2-

• 3-

• 2+

What is the charge of manganese in manganese III carbonate?

• 2+

• 1+

• 4+

• 3+

What method is used to balance the charges in a neutral compound?

• Cross-multiplication

• Crisscross method

• Substitution method

• Addition method

What should be done after applying the crisscross method?

• Divide charges

• Multiply charges

• Remove charges

• Add charges

How do you verify the formula for manganese III carbonate?

• Check the periodic table

• Check the color

• Count the atoms

• Ensure the net charge is zero

What is the final formula for manganese III carbonate?

• Mn3(CO3)2

• MnCO3

• Mn(CO3)2

• Mn2(CO3)3