Silver Phosphate Charge Balancing

The video tutorial explains how to write the chemical formula for silver phosphate. It begins by identifying the element symbols for silver (Ag) and phosphate (PO4) and discusses the charges of these ions. Silver, a transition metal, typically has a +1 charge, while the phosphate ion has a -3 charge. To balance the charges and achieve a net charge of zero, three silver ions are needed for every phosphate ion, resulting in the formula Ag3PO4.

What is the element symbol for silver?

• Si

• Ag

• Pb

• Au

What is the charge of the phosphate ion?

• 3+

• 2-

• 3-

• 1-

Where can you find the charge of common polyatomic ions if not memorized?

• Periodic table

• Table of common polyatomic ions

• Chemistry textbook

• Internet search

Why must the charges in silver phosphate add up to zero?

• To make it stable

• To make it reactive

• To make it neutral

• To make it acidic

What is the ionic charge of silver in silver phosphate?

• 2+

• 1+

• 0

• 3+

How many silver atoms are needed to balance the charge of one phosphate ion?

• Two

• Four

• One

• Three

What is the chemical formula for silver phosphate?

• Ag3PO4

• Ag4PO4

• AgPO4

• Ag2PO4

What is the net charge of a correctly balanced silver phosphate compound?

• 1+

• 0

• 3-

• 2-