Ions and Ionic Compounds

The video tutorial introduces ionic compounds, using examples like table salt and magnesium oxide. It explains how ions form through the loss or gain of electrons, leading to charged atoms. The tutorial covers the concepts of cations and anions, and how ionic bonds form due to electrostatic attraction between oppositely charged ions. It also discusses the stability achieved by elements through ionic bonding, and provides real-life applications of ionic compounds, such as sodium hydroxide in cleaning products and sodium fluoride in toothpaste.

What happens to an atom when it becomes ionized?

• It gains or loses neutrons.

• It gains or loses atoms.

• It gains or loses protons.

• It gains or loses electrons.

What is a positively charged ion called?

• Electron

• Proton

• Cation

• Anion

Which type of bond is formed due to electrostatic attraction between ions?

• Hydrogen bond

• Ionic bond

• Metallic bond

• Covalent bond

What is a common use of sodium hydroxide?

• Toothpaste

• Drain cleaner

• Antacid

• Salt substitute

Why is sodium fluoride added to drinking water?

• To enhance flavor

• To prevent tooth decay

• To purify water

• To increase hardness