Periodic Table |
All three elements are "super-heavy", lab-created substances that rapidly degrade down into less interesting materials -- Copernicium-285 has a relatively long half-life of 29 seconds. The ratification went without a hitch, causing a sigh of relief amongst the textbook makers who have included the elements in the table for quite some time. Although we were hoping that element 111 would have to change its name back to the original, nearly unpronounceable unununium. engadget
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