Noble Gases MCQ Quiz - Multiple Choice Questions & Answers

1. Number of unpaired electron in inert gas is

1. 8
2. 4
3. 18

2. All noble gases are ?

1. colourless
2. colourless
3. colourless and odourless
4. colourless and but have odour

3. How many valence electrons does a noble gas typically have?

1. 8
2. 6
3. 4
4. 2

4. Nobel gases are group of elements which exhibit

1. high chemical activity
2. low chemical activity
3. minimum electronegativity
4. much paramagnetic properties

5. Nobel gases do not react with other elements because

1. They have completely paired up and stable electron shells
2. The size of ther atoms are very small
3. They are not found in abundance
4. Are monoatomic

6. The inert gases are

1. Polyatomic
2. Triatomic
3. Diatomic
4. Monoatomic

7. The nobel gas which forms maximum number of compound is

1. Argon
2. Helium
3. Xenon
4. Neon

8. The valency of inert gas is

1. 1
2. 2
3. 5

9. What is another name for the noble gases?

1. stable gases
2. cool gases
3. inert gases
4. reactive gases

10. Which is the lightest gas

1. Helium
2. Oxygen
3. Hydrogen
4. Nitrogen