question_answer 14)

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

Answer:

 

Symbol	Isotopes	Atomic no. (Z)	Mass no. (A)	No. of Proton (p)	No. of electron (e)	No. of neutron (n)
H D T	Hydrogen Deuterium Tritium	1 1 1	1 2 3	1 1 1	1 1 1	0 1 2