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Question 1

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

Answer

H, D, and T are the three isotopes of hydrogen with similar nuclear number and distinctive mass quantities of 1, 2 and 3 separately.
 

Element Symbol Number of Electrons Number of Protons Number of Neutrons
Hydrogen H 1 1 0
Deuterium D 1 1 1
Tritium T 1 1 2

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