Note: Read the assertion and reason carefully and then mark the correct option out of the options given below: Assertion (A) : Position of an element in the Periodic Table tells us about its chemical reactivity. Reason (R ) : There are 18 elements in the fourth table.

Note: Read the assertion and reason carefully and then mark the correc

1.	Note: Read the assertion and reason carefully and then mark the correct option out of the options given below: Assertion (A) : Position of an element in the Periodic Table tells us about its chemical reactivity. Reason (R ) : There are 18 elements in the fourth table.
Answer» Both (A) and (R) are true and (R ) is CORRECT EXPLANATION of the assertion. Both (A) and (R ) are true but (R ) is explanation of the assertion. (A) is true but (R ) is FALSE. (A) is false but (R ) is true. Answer :B