Potassium and Sulfate Compounds

The video tutorial explains how to determine the number of ions in K2SO4. It begins by identifying K2SO4 as an ionic compound composed of potassium and sulfate ions. The tutorial discusses the charges of these ions, with potassium having a +1 charge and sulfate having a -2 charge. It then explains how to balance these charges to achieve a net charge of zero. Finally, the video concludes by counting the ions in K2SO4, which includes two potassium ions and one sulfate ion, totaling three ions.

What type of compound is formed when potassium and sulfate combine?

• Covalent compound

• Molecular compound

• Ionic compound

• Metallic compound

Which group on the periodic table does potassium belong to?

• Group 4

• Group 2

• Group 1

• Group 3

What is the charge of a sulfate ion (SO4)?

• -1

• -2

• +1

• +2

How many potassium ions are present in K2SO4?

• One

• Three

• Four

• Two

What is the net charge of the compound K2SO4?

• -1

• +2

• 0

• +1

How many total ions are present in K2SO4?

• Four

• Five

• Three

• Two