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Definition of Quadrium
1. Noun. (isotope) A highly unstable, synthetic isotope of the element hydrogen, (nuclide 4 1 H), having one proton and three neutrons ¹
¹ Source: wiktionary.com
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1. Noun. (isotope) A highly unstable, synthetic isotope of the element hydrogen, (nuclide 4 1 H), having one proton and three neutrons ¹
¹ Source: wiktionary.com