How often does a chemist tell jokes?
Periodically!
😂
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Did You Know?
"Periodically" means occasionally, while the periodic table organizes chemical elements! Dmitri Mendeleev created the first periodic table in 1869. The modern periodic table has 118 confirmed elements. Elements are organized by atomic number, electron configuration, and chemical properties. New elements are still being discovered and added! The periodic table is one of the most important tools in chemistry.