Abundant
Tritium is the most abundant hydrogen isotope
The most abundant element where? It is the most abundant element in Earth's crust. The most abundant element on planet Earth, on the other hand, is iron, while the most abundant element in the Universe is hydrogen.
Hydrogen is the most abundant element in the universe.
Abundant.
Abundant.
Some are rare, some are average and some are abundant.
Hydrogen is the most abundant element in the universe.
rare
Diamonds are rare.
That is hydrogen.
Abundant