Valence electrons — task. Science CBSE, Class 9 New.

PDF chapter test TRY NOW

Select the right option based on the assertion and reason:

Assertion (A): Argon does not react chemically with other elements.

Reason (R): Argon has 8 electrons in its outermost shell.

Both A and R are true, and R is the correct explanation of A
Both A and R are true, and R is not the correct explanation of A
A is true but R is false
A is false but R is true

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content