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  • Hydrogen has three isotopes : protium <img alt="\left({ }^{1} \mathrm{H}\right)," src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cleft%28%7B%20%7D%5E%7B1%7D%20%5Cmathrm%7BH%7D%5Cright%

Hydrogen has three isotopes : protium \left({ }^{1} \mathrm{H}\right), deuterium \left({ }^{2} \mathrm{H} \text { or } \mathrm{D}\right) and tritium \left({ }^{3} \mathrm{H} \text { or } \mathrm{T}\right) \text {. } They have nearly same chemical properties but different physical properties. They differ in

Option: 1

number of protons.


Option: 2

atomic number.


Option: 3

electronic configuration.


Option: 4

atomic mass.


Answers (1)

best_answer

Three isotopes of. \mathrm{H: { }^{1} \mathrm{H} ,{ }^{2} \mathrm{H},{ }^{3} \mathrm{H}} have different neutrons hence different mass number.

Hence, Option (4) is correct.

Posted by

Anam Khan

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