Barium and Sulfite Compounds

The video tutorial explains how to write the formula for barium sulfite. It begins by identifying barium and the sulfite ion, noting that sulfite is a polyatomic ion with a charge of 2-. The tutorial discusses the ionic nature of the compound, emphasizing the need to balance charges to achieve a neutral compound. Barium, being in group 2, has a charge of 2+, which balances with the sulfite ion's 2- charge, resulting in the formula BaSO3. The video concludes with a recap of the formula and its components.

What is the element symbol for barium?

• B

• Be

• Br

• Ba

Which of the following is true about the sulfite ion?

• It is a metal ion with a charge of 2+.

• It is a diatomic molecule.

• It is a polyatomic ion with a charge of 2-.

• It is a single element found on the periodic table.

Why is barium sulfite considered an ionic compound?

• Because it is made up of two metals.

• Because it is a covalent compound.

• Because it is made up of a metal and a group of non-metals.

• Because it is made up of two non-metals.

What is the ionic charge of barium in barium sulfite?

• 1+

• 2-

• 2+

• 1-

How do the charges of barium and sulfite ion combine in barium sulfite?

• They add up to a net charge of 1.

• They add up to a net charge of 2.

• They add up to a net charge of zero.

• They do not combine.

What is the correct chemical formula for barium sulfite?

• BaS

• BaO

• BaSO3

• BaSO4