Which of the following are the characteristics of isotopes of an element? (i) isotopes of an element have the same atomic masses. (ii) isotopes of an element have the same atomic number. (iii) isotopes of an element show the same physical properties. (iv) isotopes of an element show the same chemical properties. A ) (i), (ii) and (iii) B ) (ii), (iii) and (iv) C ) (ii) and (iii) D ) (ii) and (iv)

Different atoms of the same atom are called isotopes. As a result, their atomic numbers are the same. The mass number of isotopes, however, varies. The isotopes hydrogen, deuterium, and tritium, for example, all have the same atomic number of 1. They do, however, have differing mass numbers.

  • Hydrogen, deuterium, and tritium have mass numbers of 1,2, and 3, respectively.
  • The number of protons is equal to the atomic number. It’s also the same as how many electrons a neutral atom has.
  • As a result, hydrogen, deuterium, and tritium all have one electron in their atoms.
  • Because various isotopes have the same atomic number, the number of electrons they have is also the same.
  • As a result, isotopes share chemical characteristics. Isotopes have different mass numbers.
  • Hence, they have different atomic masses. Hence, isotopes have different physical properties. Mass number is equal to the sum of the number of protons and the number of neutrons.

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