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It’s not every day an element gets added to the periodic table. The last time it happened was 2016, when four new elements became official. For these elements, reaching the table was an epic quest ...

THE “periodic” classification of the elements plays such an important part in courses of inorganic chemistry for students that a large wall diagram illustrating this classification has now become a ...

In honor of the establishment of the periodic table 150 years ago, scientists around the world have dubbed 2019 the “International Year of the Periodic Table.” Eugene Hoshiko Associated Press Happy ...