Welcome, ununseptium. With 117 protons, it is the latest super-heavy element, a discovery that fills a gap in the current periodic table of elements, and bolsters the idea that we may yet find an "island of stability" among heavyweight atoms More »
Element "Ununseptium" To Fill Periodic Table Gap [Element]
Welcome, ununseptium. With 117 protons, it is the latest super-heavy element, a discovery that fills a gap in the current periodic table of elements, and bolsters the idea that we may yet find an "island of stability" among heavyweight atoms More »