Aluminum Bicarbonate and Ionic Compounds

The video tutorial explains how to write the chemical formula for aluminum bicarbonate, also known as aluminum hydrogen carbonate. It begins by identifying aluminum and bicarbonate ions, highlighting the need to balance their charges to achieve a net charge of zero. The tutorial concludes with the final formula for aluminum bicarbonate, Al(HCO3)3.

What is the element symbol for aluminum?

• Al

• Ag

• Am

• Au

What is the charge of the bicarbonate ion?

• 2+

• 2-

• 1-

• 1+

Where can you find the bicarbonate ion information if not memorized?

• Periodic table

• Table of polyatomic ions

• Physics textbook

• Chemical reactions book

What is the ionic charge of aluminum?

• 4+

• 2+

• 1+

• 3+

Why is aluminum bicarbonate considered an ionic compound?

• It is a covalent compound

• It contains only metals

• It contains only non-metals

• It contains both metals and non-metals

How do you balance the charges in aluminum bicarbonate?

• Use parentheses and multiply the bicarbonate ion

• Add more bicarbonate

• Use a catalyst

• Add more aluminum

What is the final formula for aluminum bicarbonate?

• AlHCO3

• Al2(HCO3)3

• Al3(HCO3)2

• Al(HCO3)3