Question

would you place the isotopes of chlorine CL 35 and CL 37 Indifference that because of their atomic masses are in the same slot because their chemical properties of same ?justify

Answer 1

NO BECAUSE THIS IS A DEMERIT OF MENDELEEV TABLE OF ISOTOPES SO IT CANNOT BE PLACED IN THE SAME POSITON

Answer 2

no because even their atomic number their properties mustn't be same
cl37 is highly unstable
Hence they can't be placed in single slot in modern periodic table at did in mendeleev's table