Chlorine Isotopes and Atomic Mass

The video tutorial explains the presence of chlorine isotopes in nature, specifically those with atomic masses of 35 SMA and 37 SMA. It discusses their respective abundance ratios and demonstrates how to calculate the average atomic mass of chlorine based on these isotopes.

What is the main topic introduced in the video?

• The isotopes of chlorine

• The history of chlorine discovery

• The properties of chlorine gas

• The uses of chlorine in industry

What are the atomic masses of the two chlorine isotopes mentioned?

• 36 SMA and 38 SMA

• 35 SMA and 36 SMA

• 34 SMA and 36 SMA

• 35 SMA and 37 SMA

Which isotope of chlorine has an atomic mass of 37 SMA?

• Chlorine-38

• Chlorine-35

• Chlorine-36

• Chlorine-37

What is the abundance ratio of chlorine isotopes in nature?

• 75.77% and 24.23%

• 75.77% and 25.23%

• 74.77% and 25.23%

• 70.77% and 29.23%

How is the average atomic mass of chlorine calculated?

• By adding the atomic masses of the isotopes

• By using the atomic number of chlorine

• By taking the average of the atomic masses

• By considering the abundance ratio of each isotope