Protium
In chemistry, protium is the most common isotope of the element hydrogen that has one proton and no neutrons. See Hydrogen atom.
In biology, Protium is a genus of chiefly tropical American trees having fragrant wood and yielding gum elemi.
In chemistry, protium is the most common isotope of the element hydrogen that has one proton and no neutrons. See Hydrogen atom.
In biology, Protium is a genus of chiefly tropical American trees having fragrant wood and yielding gum elemi.