Silver Oxalate and Oxalate Ion Concepts

The video tutorial explains how to write the formula for silver oxalate. It begins by identifying the element symbol for silver and the formula for the oxalate ion, which is C2O4 with a charge of 2-. Silver, being a transition metal, typically has a charge of 1+. To balance the charges and form a neutral compound, two silver ions are needed for each oxalate ion, resulting in the formula Ag2C2O4. The video also discusses naming conventions, noting that while silver is a transition metal, its charge is often not specified due to its common 1+ state.

What is the element symbol for silver?

• Au

• Si

• Ag

• S

What is the formula for the oxalate ion?

• CO3

• NO3

• C2O4

• SO4

What is the ionic charge of the oxalate ion?

• 2+

• 1+

• 2-

• 1-

Why do we need two silver ions in silver oxalate?

• To balance the charge of the oxalate ion

• To make it a transition metal

• To increase its weight

• To change its color

What is the net charge of silver oxalate?

• 1-

• 2-

• 0

• 1+

What is the chemical formula for silver oxalate?

• AgC2O4

• Ag2SO4

• Ag2C2O4

• Ag2CO3

Why might 'silver one oxalate' be used as a name?

• Because silver is a transition metal

• Because it has a charge of 2+

• Because it is a non-metal

• Because it is a polyatomic ion

Why is the Roman numeral often omitted in the name of silver oxalate?

• It is a non-metal

• Silver is almost always 1+

• It is a polyatomic ion

• It is not a transition metal