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What is the hyphen notation of the three isotopes of hydrogen?
Hydrogen-1, hydrogen-2, hydrogen-3.
The hyphen notation of an isotope includes the name of the element followed by a hyphen, which is followed by its mass number, which is the sum of the protons and neutrons in the nuclei of their atoms.
The three of hydrogen in hyphen notation are:
hydrogen-1 hydrogen-2 hydrogen-3