Calcium Cyanide and Polyatomic Ions

Dr. B explains how to name the ternary ionic compound Ca(CN)2. The video covers identifying the compound type using the periodic table, naming the metal calcium, and the polyatomic ion cyanide. It also discusses the Lewis structure and formula units of calcium cyanide. The video concludes with a suggestion to visit the Naminator website for more practice.

What is the main focus of the video presented by Dr. B?

• Balancing chemical reactions

• Naming binary ionic compounds

• Naming the ternary ionic compound Ca(CN)2

• Writing chemical equations

What type of element is calcium in the compound Ca(CN)2?

• Noble gas

• Metalloid

• Metal

• Non-metal

What is the role of CN in the compound Ca(CN)2?

• It is a metal

• It is a polyatomic ion

• It is a single atom

• It is a noble gas

What is the name of the polyatomic ion CN?

• Sulfate

• Nitrate

• Cyanide

• Carbonate

What is the correct name for the compound Ca(CN)2?

• Calcium carbonate

• Calcium sulfate

• Calcium nitrate

• Calcium cyanide

What does the Lewis structure represent in the context of Ca(CN)2?

• A single molecule

• A formula unit

• An atom

• A gas

How is calcium cyanide typically found in nature?

• As a gas

• As a liquid

• As a single molecule

• As a crystal of many repeating formula units