Question

how were the positions of different isotopes decided in modern periodic table​

Answer 1

Explanation:

Modern periodic table is arranged in the increasing order of atomic numbers. Isotopes are atoms of same element having different atomic mass, but the same atomic number. Isotopes have not been given separate place in the modern periodic table they are placed at the same place as their atomic numbers are same.

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Answer 2

Answer:

Modern periodic table is arranged in the increasing order of atomic numbers. Isotopes are atoms of same element having different atomic mass, but the same atomic number. Isotopes have not been given separate place in the modern periodic table they are placed at the same place as their atomic numbers are same.

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