Aluminum Phosphate Ionic Compounds

The video tutorial explains how to name the compound ALPO4, known as aluminum phosphate. It begins by identifying PO4 as a polyatomic ion called phosphate, bonded to aluminum, a metal. The tutorial outlines the steps to name the metal and the polyatomic ion, resulting in the name aluminum phosphate. It also covers how to write the formula from the name, recognizing the charges of phosphate and aluminum to determine the correct formula, ALPO4.

What is the polyatomic ion present in AlPO4?

• Phosphate

• Nitrate

• Carbonate

• Sulfate

Which element is the metal in the compound AlPO4?

• Phosphorus

• Potassium

• Oxygen

• Aluminum

What is the first step in naming an ionic compound like AlPO4?

• Name the metal

• Name the nonmetal

• Identify the charge

• Balance the equation

What is the charge of the phosphate ion in AlPO4?

• 3-

• 2-

• 4-

• 1-

What is the charge of the aluminum ion in AlPO4?

• 4+

• 2+

• 1+

• 3+

How many aluminum atoms are needed to balance the charge with one phosphate ion in AlPO4?

• Two

• Three

• Four

• One

What is the correct name for the compound AlPO4?

• Aluminum Sulfate

• Aluminum Nitrate

• Aluminum Phosphate

• Aluminum Carbonate