Binary Ionic Compounds and Barium Chloride

The video tutorial explains how to name and write the formula for the ionic compound BaCl2, known as barium chloride. It covers the identification of BaCl2 as a binary ionic compound, the rules for naming such compounds, and the process of determining the formula based on ionic charges. The tutorial emphasizes the importance of balancing charges to achieve a net charge of zero.

What type of compound is BaCl2?

• Covalent compound

• Polyatomic ionic compound

• Binary ionic compound

• Metallic compound

What is the first step in naming a binary ionic compound?

• Determine the ionic charges

• Replace the ending of the non-metal with 'ide'

• Write the name of the metal

• Write the name of the non-metal

How is the name of the non-metal modified in binary ionic compounds?

• Keep the name unchanged

• Replace the ending with 'ide'

• Add 'ate' to the end

• Add 'ite' to the end

What is the ionic charge of barium when it forms bonds?

• 1-

• 2-

• 2+

• 1+

How many chlorine ions are needed to balance the charge of one barium ion?

• Four

• Three

• Two

• One

What is the net charge of the compound BaCl2?

• 1-

• 2+

• 0

• 1+

What is the chemical formula for barium chloride?

• BaCl

• BaCl2

• Ba2Cl

• Ba2Cl2