Lithium Sulfate Ion Balancing Concepts

The video tutorial explains how to write the formula for lithium sulfate by using the periodic table and understanding the nature of ionic compounds. It covers the identification of lithium and sulfate ions, their charges, and the use of the crisscross method to balance these charges, resulting in the correct formula Li2SO4. The tutorial concludes with a verification of the formula to ensure accuracy.

What is the element symbol for lithium?

• Lt

• Lm

• L

• Li

What type of ion is sulfate?

• Anion

• Cation

• Monatomic ion

• Polyatomic ion

What is the charge of the sulfate ion?

• 1+

• 1-

• 2+

• 2-

Which group on the periodic table does lithium belong to?

• Group 1

• Group 2

• Group 4

• Group 3

What is the charge of a lithium ion?

• 2-

• 1-

• 2+

• 1+

What method is used to balance the charges in lithium sulfate?

• Cross-multiplication

• Crisscross method

• Substitution method

• Addition method

What is the formula for lithium sulfate?

• Li2(SO4)2

• Li2SO4

• LiSO4

• Li(SO4)2

How many lithium ions are needed to balance one sulfate ion?

• Two

• Four

• One

• Three

What is the net charge of lithium sulfate?

• 1+

• 2-

• 0

• 1-

Why is it important to verify the formula of lithium sulfate?

• To understand polyatomic ions

• To check the periodic table

• To memorize the formula

• To ensure the charges are balanced