Understanding Atomicity

The video tutorial explains atomicity, which is the total number of atoms in a molecule. It covers different types of molecules based on atomicity, such as monoatomic, diatomic, triatomic, and tetriatomic molecules. Examples include hydrogen (H2), oxygen (O2), ozone (O3), and phosphorus (P4). The video also discusses compounds like carbon dioxide (CO2) and water (H2O), highlighting their atomicity. The tutorial concludes with a summary of these concepts.

What does atomicity refer to in a molecule?

• The number of bonds in a molecule

• The total number of atoms in a molecule

• The type of atoms in a molecule

• The weight of a molecule

Which of the following is a diatomic molecule?

• Hydrogen

• Helium

• Ozone

• Phosphorus

What is the molecular formula for ozone?

• CO2

• H2O

• O3

• O2

Which element is an example of a monoatomic molecule?

• Oxygen

• Hydrogen

• Helium

• Phosphorus

How many atoms are in a phosphorus molecule?

• 2

• 5

• 3

• 4

What is the atomicity of carbon dioxide?

• 4

• 5

• 3

• 2

Which of the following is a compound?

• Ozone

• Carbon dioxide

• Helium

• Phosphorus

What is the molecular formula for water?

• O3

• O2

• H2O

• CO2

What is the atomicity of water?

• 4

• 1

• 2

• 3

Which type of molecule has an atomicity of 1?

• Diatomic

• Triatomic

• Monoatomic

• Tetriatomic