1.

Isotopes of an element have : (a) the same physical properties (b) different chemical properties (c) different number of neutrons (d) different atomic numbersA. (i), (iii) and (iv)B. (ii), (iii) and (iv)C. (ii) and (iii)D. (ii) and (iv).

Answer» Correct Answer - D
Isotops of an element have same atomic number (ii) and same chemical properties (iv).


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