Lithium Hydroxide and Ionic Compounds

The video tutorial explains how to write the formula for lithium hydroxide. It begins by identifying lithium on the periodic table and recognizing hydroxide as a polyatomic ion. The tutorial discusses the ionic nature of lithium hydroxide, emphasizing the need to balance the charges of lithium (1+) and hydroxide (1-) to form a neutral compound. The final formula, LiOH, is presented, concluding the tutorial.

What is the symbol for lithium on the periodic table?

• Li

• L

• Lt

• Lm

Which of the following is a polyatomic ion?

• H2O

• OH-

• O

• Li

What is the charge of the hydroxide ion?

• 2-

• 2+

• 1-

• 1+

Why is lithium hydroxide considered an ionic compound?

• It contains only nonmetals.

• It is a covalent compound.

• It contains only metals.

• It contains both metals and nonmetals.

What is the charge of lithium in lithium hydroxide?

• 1-

• 2-

• 2+

• 1+

How do the charges in lithium hydroxide balance out?

• 1+ and 1+

• 1- and 1-

• 1+ and 1-

• 2+ and 2-

What is the final formula for lithium hydroxide?

• LiO

• LiOH

• LOH

• LiH