Aluminum Ion and Chlorite Concepts

The video tutorial explains how to write the chemical formula for aluminum chlorite. It begins by identifying aluminum and chlorite, noting that chlorite is a polyatomic ion with a one-minus charge. The tutorial discusses the ionic nature of the compound, emphasizing the need for charge balance. Aluminum, being a metal, forms a three-plus ion, requiring three chlorite ions to balance the charges. The final formula is presented as Al(ClO2)3, with a step-by-step explanation of the process.

What is the element symbol for aluminum?

• Al

• Ag

• Am

• Au

Which of the following is true about chlorite?

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

• It is a metal with a positive charge.

• It is a noble gas.

• It is a polyatomic ion with a charge of -1.

How can you determine the charge of the chlorite ion?

• By observing its color.

• By looking it up on the periodic table.

• By memorizing it or using a table of polyatomic ions.

• By calculating it using atomic mass.

Why must the charges in aluminum chlorite add up to zero?

• Because it is a liquid.

• Because it is a neutral ionic compound.

• Because it is a covalent compound.

• Because it is a gas at room temperature.

What is the charge of an aluminum ion?

• +3

• +2

• -1

• +1

How many chlorite ions are needed to balance the charge of one aluminum ion?

• One

• Two

• Four

• Three

What is the correct formula for aluminum chlorite?

• Al(ClO2)3

• Al3ClO2

• AlClO

• AlClO2