Tin(II) Bromide and Bromide Ions

The video tutorial explains how to write the chemical formula for tin(II) bromide. It begins by identifying the element symbols for tin and bromine, and explains the significance of the Roman numeral indicating the charge of tin. The tutorial then discusses the charges of ions and how to balance them to form the compound SnBr2. Finally, it covers how to name the compound based on its formula, ensuring the charges are balanced.

What is the element symbol for tin used in the formula for tin(II) bromide?

• SN

• TI

• TB

• TN

What charge does the bromide ion carry?

• 2+

• 1-

• 1+

• 2-

Why do we need two bromide ions to balance the charge of one tin ion in tin(II) bromide?

• Because bromide ions are neutral

• Because bromide ions have a 1- charge

• Because bromide ions have a 2+ charge

• Because bromide ions have a 2- charge

What is the correct formula for tin(II) bromide?

• Sn2Br2

• SnBr

• SnBr2

• Sn2Br

How can you determine the charge of tin in the compound tin(II) bromide?

• By looking at the periodic table

• By the Roman numeral in the name

• By the state of matter

• By the color of the compound