Calcium Carbide and C2 Ion Concepts

This video tutorial explains how to draw the Lewis structure for calcium carbide (CaC2). It begins by introducing the compound and its components, highlighting the ionic nature due to the metal (calcium) and non-metal (carbon) elements. The video then focuses on the C2 ion, describing it as a polyatomic ion with triple-bonded carbons and a 2- charge. The role of calcium, with its 2+ charge, is discussed in forming the ionic bond in calcium carbide. The tutorial concludes with a mention of additional resources for further learning.

What type of compound is calcium carbide (CaC2) primarily considered?

• Molecular compound

• Metallic compound

• Ionic compound

• Covalent compound

What is the charge on the C2 ion in calcium carbide?

• 1+

• 2+

• 1-

• 2-

How are the carbon atoms in the C2 ion bonded?

• No bond

• Single bond

• Double bond

• Triple bond

What is the ionic charge of calcium in calcium carbide?

• 1+

• 2+

• 1-

• 2-

What attracts the calcium ion to the C2 ion in calcium carbide?

• Covalent bond

• Hydrogen bond

• Ionic bond

• Metallic bond