Understanding Tin Compounds and Charges

The video tutorial explains how to write the formula for Tin 2 Chromate. It begins by identifying the element symbol for tin and the charge indicated by the Roman numeral. The tutorial then discusses the chromate ion, a polyatomic ion, and how to balance the charges to achieve a net charge of zero. Finally, it covers how to name the compound based on its formula, ensuring the charges are balanced. Dr. V concludes the tutorial with a summary of the key points.

What is the element symbol for tin?

• Ti

• Sn

• Tn

• Si

What does the Roman numeral in Tin(II) indicate?

• The charge of tin

• The mass of tin

• The number of tin atoms

• The atomic number

What is the charge of the chromate ion?

• 1-

• 2-

• 4-

• 3-

Why is it important to balance the charges in a compound?

• To make it reactive

• To change the color

• To achieve a net charge of zero

• To increase the mass

What is the formula for Tin(II) Chromate?

• SnCrO4

• Sn(CrO4)2

• Sn2CrO4

• Sn(CrO4)

How do you determine the name from the formula SnCrO4?

• By counting the atoms

• By considering the charges of ions

• By checking the periodic table

• By looking at the color