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2.A and B are two elements which have same atomicweight and are having atomic number 27 and 30respectively. If the atomic weight of A is 57 thennumber of neutron in B is(1) 27 (2) 33 (3) 30 (4) 40:-

Answer» 2.A and B are two elements which have same atomicweight and are having atomic number 27 and 30respectively. If the atomic weight of A is 57 thennumber of neutron in B is(1) 27 (2) 33 (3) 30 (4) 40:-


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