Today the periodic table is a familiar sight in science classrooms. It takes the 118 elements that compose everything in the known universe and arranges them so that substances in any given column ...
The noble gases, which reside on the East Coast of the periodic table, are its aristocrats—detached and aloof, never bothering to interact with the rabble of common elements that make up the vast ...
Every first-year chemistry student knows about them nowadays: those chemically dull elements that occupy the far right column of the periodic table. But it wasn't until the end of the 1800s that the ...
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