Periodic table elements - elements database, Periodic table of elements with information on chemical elements like gold, silver, iron, neon, helium, chlorine, copper, cobalt, and more. Four elements added periodic table | popular, Elements with atomic numbers 113, 115, 117, and 118 have been added to the periodic table. the new elements were added after the international union of pure and. Four elements officially added periodic table, The periodic table is getting a little bigger after scientists added the names of four new elements, completing the seventh row of the chart..

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