Strontium Chlorite and Ionic Compounds

The video tutorial explains how to write the chemical formula for strontium chlorite. It begins by identifying strontium and chlorite, noting that chlorite is a polyatomic ion with a charge of one minus. The tutorial describes the formation of an ionic compound between strontium, a metal, and chlorite, a group of non-metals. It emphasizes the need for the charges to balance to achieve a neutral compound. The video concludes by showing the final formula for strontium chlorite as Sr(ClO2)2.

What is the element symbol for strontium?

• Sn

• Sm

• St

• Sr

What does the 'ite' suffix in chlorite indicate?

• It is a metal

• It is a polyatomic ion

• It is a noble gas

• It is a transition metal

What is the charge of the chlorite ion?

• 1+

• 2+

• 1-

• 2-

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

• Because it is a covalent compound

• Because it is a neutral ionic compound

• Because it is a gas

• Because it is a liquid

What is the charge of a strontium ion?

• 1+

• 2+

• 1-

• 2-

How many chlorite ions are needed to balance one strontium ion?

• One

• Two

• Three

• Four

What is the correct formula for strontium chlorite?

• Sr(ClO2)2

• SrClO2

• SrCl2O

• Sr2ClO2