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1. Nihonium: Nihonium is a synthetic chemical element with the symbol Nh and atomic number 113. It is extremely radioactive;. (chemical element 113) [100%] 2021-12-23 [Nihonium] [Chemical elements]...
2. Nihonium: Nihonium is a synthetic element which was recently discovered and given a name in June, 2016. Previously, it had been called "Ununtrium", its atomic number in Latin. [100%] 2023-02-18 [Metals]
3. Nihonium: Nihonium is a synthetic chemical element with the symbol Nh and atomic number 113. It is extremely radioactive;. (Chemistry) [100%] 2021-12-22 [Nihonium] [Chemical elements]...
4. Isotopes of nihonium: Nihonium (113Nh) is a synthetic element. Being synthetic, a standard atomic weight cannot be given and like all artificial elements, it has no stable isotopes. (Physics) [57%] 2023-10-04 [Isotopes of nihonium] [Nihonium]...