1.

In each of thefollowingquestionsa Statementof Assertion(A ) isgivenfollowedby acorrespondingstatementof Reason(R ) Justbelow it . Of thestatementmarkthe correctanswer as Assertion . Noblegases havepositiveelectron gainenthalpy. Reason. Noblegases havestableclosedshellelectronicconfiguration .

Answer»


SOLUTION :NA


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