For the symbols, H, D, and T tabulate three sub-atomic particles found in each of them.

(Protium)H-(¹₁H):

Atomic number = 1           Mass number = 1

No of protons = 1

  No. of electrons = 1

  No. of neutrons = Nil

D- (²₁H) 

(Deuterium)  :                 

 Atomic number = 1                Mass number = 2

 No of protons = 1

  No. of electrons = 1

   No. of neutrons = 1

T-(²₁H) (Tritium) :

 Atomic number = 1                Mass number = 3

 No of protons = 1

  No. of electrons = 1

  No. of neutrons = 2 

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Updated on: 14-Mar-2023

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