Aluminum Hydroxide Properties and Bonds

The video explores whether aluminum hydroxide (AlOH3) is ionic or covalent. It explains that the compound is ionic overall, with aluminum as a metal and hydroxide ions as non-metals. The hydroxide ions have covalent bonds between oxygen and hydrogen. The video discusses the charges of the ions, showing how they balance to form an ionic compound. It concludes by emphasizing the ionic nature of aluminum hydroxide.

What is the overall nature of aluminum hydroxide (AlOH3)?

• Covalent

• Ionic

• Metallic

• Polar

How many hydroxide ions are present in aluminum hydroxide?

• Four

• Three

• Two

• One

What type of bond exists between oxygen and hydrogen in hydroxide ions?

• Ionic

• Covalent

• Metallic

• Hydrogen

Which element in aluminum hydroxide is a metal?

• Aluminum

• Oxygen

• Hydrogen

• None

What is the charge on the aluminum ion in AlOH3?

• 4+

• 3+

• 2+

• 1+

What is the charge on each hydroxide ion?

• 1-

• 2-

• 3-

• 0

How do the charges on aluminum and hydroxide ions affect the compound?

• They make it polar

• They make it basic

• They make it acidic

• They make it neutral

What type of bond is formed due to the attraction between aluminum and hydroxide ions?

• Hydrogen

• Metallic

• Ionic

• Covalent

What is the nature of the bond between non-metal elements in hydroxide ions?

• Covalent

• Ionic

• Metallic

• Van der Waals

What is the overall charge of aluminum hydroxide?

• Positive

• Negative

• Neutral

• Variable