Lithium and Fluoride Compounds

The video tutorial explains how to derive the chemical formula for lithium fluoride. It starts by identifying lithium and fluoride on the periodic table, noting that lithium is a metal and fluoride is a non-metal, indicating an ionic bond. The tutorial then discusses balancing the charges, with lithium having a +1 charge and fluoride a -1 charge, which cancel each other out to give a net charge of zero. The correct formula for lithium fluoride is thus LiF. The video concludes with a summary and thanks from Dr. B.

What elements make up lithium fluoride?

• Lithium and Fluorine

• Lithium and Oxygen

• Fluorine and Sodium

• Sodium and Chlorine

What type of bond is formed between lithium and fluorine in lithium fluoride?

• Ionic bond

• Hydrogen bond

• Metallic bond

• Covalent bond

What is the charge on a lithium ion?

• +2

• +1

• -1

• 0

What is the charge on a fluoride ion?

• +2

• 0

• -1

• +1

What is the correct chemical formula for lithium fluoride?

• Li2F2

• Li2F

• LiF

• LiF2