Potassium and Sulfite Ions

The video tutorial explains how to write the chemical formula for potassium sulfite. It begins by identifying the element symbol for potassium and introduces the concept of polyatomic ions, specifically the sulfite ion. The tutorial discusses the ionic charges of potassium and sulfite, and how to balance these charges to achieve a neutral compound. The final formula for potassium sulfite is presented as K2SO3.

What is the element symbol for potassium?

• P

• Po

• Pt

• K

Which of the following is a polyatomic ion?

• Hydrogen

• Sulfite

• Potassium

• Oxygen

What is the ionic charge of potassium?

• 1-

• 0

• 2+

• 1+

What is the charge of the sulfite ion?

• 1+

• 2-

• 0

• 3-

How many potassium ions are needed to balance the charge of one sulfite ion?

• One

• Two

• Three

• Four

What is the chemical formula for potassium sulfite?

• KSO3

• K2SO4

• K2SO3

• KSO4