1.

The chemical properties of the elements in the same period are not similar. Reason (R ) : As the electronic configuration changes across the period,the chemical properties of the elements are not similar.

Answer»

Both (A) and (R ) are CORRECT , (R ) EXPLAINS the (A)
(A) is correct, (R ) is wrong
(A) is wrong, (R ) is correct
(A) and (R ) are correct, (R ) doesn’t' EXPLAIN (A)

Solution :N/A


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