Ionic Bonds and Ion Charges

The video explores whether potassium fluoride (KF) is ionic or covalent. It explains that potassium is a metal and fluorine is a non-metal, which typically form ionic bonds. The video discusses the charges of potassium and fluoride ions, highlighting their opposite charges that attract to form an ionic bond. The conclusion confirms that KF is ionic.

What type of elements are potassium and fluorine?

• Potassium is a non-metal and fluorine is a metal

• Both are non-metals

• Both are metals

• Potassium is a metal and fluorine is a non-metal

What type of bond is typically formed between metals and non-metals?

• Metallic bond

• Ionic bond

• Hydrogen bond

• Covalent bond

What is the charge on a potassium ion?

• 1-

• 2-

• 1+

• 2+

What is the charge on a fluoride ion?

• 1-

• 2-

• 1+

• 2+

Why do potassium and fluoride ions form an ionic bond?

• Because they are both metals

• Because they have opposite charges

• Because they have the same charge

• Because they are both non-metals

What is the nature of the bond in potassium fluoride?

• Ionic

• Hydrogen

• Covalent

• Metallic

Who confirmed the nature of the bond in potassium fluoride?

• Dr. B

• Dr. A

• Dr. D

• Dr. C