Q

# Help me please, The noble gas that does NOT occur in the atmosphere is :

The noble gas that does NOT occur in the atmosphere is :

• Option 1)

$He$

• Option 2)

$Kr$

• Option 3)

$Ne$

• Option 4)

Rn

Views

$He,Ne,Kr$ are present in atmosphere  but $"Rn"$ is not present in atmosphere

[Reason :- option should be $"Rn"$ not $"Ra"$ because $"Ra"$ is not noble gas]

Option 1)

$He$

Option 2)

$Kr$

Option 3)

$Ne$

Option 4)

Rn

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