Sodium Bromide Properties and Formation

The video tutorial explains how to write the formula for sodium bromide by examining the periodic table. Sodium, a metal, and bromine, a non-metal, form an ionic compound. The tutorial details how to balance the ionic charges of sodium (+1) and bromine (-1) to achieve a net charge of zero, resulting in the formula NaBr. The process involves understanding the nature of ionic compounds and the importance of charge balance.

What type of elements are involved in forming sodium bromide?

• Two metals

• A noble gas and a metal

• A metal and a non-metal

• Two non-metals

What is the ionic charge of sodium when forming sodium bromide?

• 0

• 1+

• 1-

• 2+

How do the charges of sodium and bromine balance in sodium bromide?

• Sodium has a 2+ charge and bromine has a 2- charge

• They both have a 1- charge

• They both have a 2+ charge

• Sodium has a 1+ charge and bromine has a 1- charge

What is the correct chemical formula for sodium bromide?

• Na2Br2

• Na2Br

• NaBr2

• NaBr

What is the net charge of the compound sodium bromide?

• 1+

• 1-

• 0

• 2+