Silver Compounds and Chromate Ions

The video tutorial explains how to write the chemical formula for silver chromate. It begins by identifying silver as a transition metal with a typical +1 charge and chromate as a polyatomic ion with a -2 charge. The tutorial details the process of balancing these charges to achieve a neutral compound, resulting in the formula Ag2CrO4. It also covers naming conventions, noting that silver chromate can be referred to as silver(I) chromate, although the charge is often omitted due to silver's consistent +1 charge.

What is the element symbol for silver?

• Ag

• Au

• Si

• S

What is the formula for the chromate ion?

• CrO3

• CrO2

• CrO4

• Cr2O7

What is the ionic charge of the chromate ion?

• 2-

• 3-

• 1-

• 2+

Why is it important to balance the charges in silver chromate?

• To ensure the compound is stable

• To achieve a neutral compound

• To make the compound soluble

• To increase the compound's reactivity

What is the typical ionic charge of silver in compounds?

• 1-

• 3+

• 2+

• 1+

What is the chemical formula for silver chromate?

• AgCr2O4

• Ag2Cr2O7

• Ag2CrO4

• AgCrO4

Why might silver chromate be referred to as silver(I) chromate?

• Because chromate is a transition metal

• Because silver is always 2+

• Because silver is always 3+

• Because silver can have multiple charges

Why is the '1' often omitted in the name silver chromate?

• Because silver is rarely 1+

• Because silver is almost always 1+

• Because it is a convention for all metals

• Because chromate is always 1+