Isotopes of an element have

(a) the same physical properties

(b) different chemical properties

(c) different number of neutrons

(d) different atomic numbers.

 

Answer

 

(c) different number of neutrons

 

Explanation -

 

  • Isotopes are elements having the same atomic numbers but different mass numbers.
  • This means that they have the same number of protons/electrons but different numbers of neutrons.

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo