Why are all hydrogen atoms not identical?

1 Answer
anor277 · Chirag Mehta
Jan 7, 2018

Because of the existence of isotopes....

Explanation:

An hydrogen atom has #Z=1#....the hydrogen atom can have several isotopes.... the which differ by the number of neutrons, massive nuclear particles of ZERO charge, present in the nucleus...

And so we gots #""^1H#, protium isotope; #""^2H#, the deuterium isotope; and #""^3H#, the tritium isotope...these are the common isotopes of hydrogen, and contain #0#, #1#, and #2# neutrons respectively.

You will have to look up the isotopic abundances on the web....

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