Question

for the symbol h D and t tabulate three subatomic particles found in each of them

Answer 1

the three subatomic particles are electrons, protons and neutrons

Answer 2

Answer:

H, D, and T are the three isotopes of hydrogen with the same atomic number and different mass numbers of 1, 2 and 3 respectively.

Hydrogen H 1 1 0

Deuterium D 1 1 1

Tritium T 1 1 1

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