Answer:
Evidence that this argument is correct and that it is correct is that hydrogen has three isotopes in nature, these are known as deuterium, tritium and protium.
Explanation:
Although it must be taken into account that not all elements have the same possibility of having isotopes in nature, there are some that are more common than others, such as iron.
In simple words, isotopes are those compounds with the same numbers of protons but not neutrons, they are classified into light and heavy isotopes
