Question

Give any three characteristics of noble gases.

Answer 1

Noble gases:

1. Noble gases are the elements that have completely filled the valence shells i.e. their octets are completed.
2. Noble gases are also known as rare elements. They are placed in 18th group in the periodic table.

Characteristics of noble gases:

1. As the outermost shells are completely filled, noble gases do not combine with any other elements to form compounds.
2. Noble gases are chemically unreactive.
3. Noble gases are found in nature in trace amounts.
4. Noble gases are hard to obtain.