A periodic table with each of the heaviest 26 elements shaded by color according to which country or collaboration of countries discovered that element. US facilities have independently discovered 14, Russian facilities have independently discovered 4, German facilities have discovered six, Japanese facilities have discovered one, and a US-Russia collaboration discovered the five heaviest. Four of the US and Russia’s independent element discoveries happened in parallel.
The periodic table looks complete, but it isn’t. The race is on to discover the table’s next row of elements, starting with elements 119 and 120. Japan hopes to produce element 119 one atom at a time: cen.acs.org/physical-che...
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