Question

9 Write two reasons responsible for late discovery of noble gases​

Answer 1

(1) THEY ARE PRESENT IN EXTREMELY LOW CONCENTRATION IN THE ENVIRONMENT.

(2)THEY ARE VERY INERT.

Answer 2

Answer:

The reasons for late discovery of noble gases:

• Chemical inertness of lighter noble gases, i.e., He, Ne and Ar,

• Rare abundance of comparatively reactive noble gases, i.e., Kr, Xe and Rn

Explanation:

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