I love the periodic table and each time I revisit a site like Web Elements or PeriodicTable.com I discover something new. However, one secret of the elements not discussed there is the question of exactly how many of the elements are 'naturally-occurring'. It is often stated that there are 92 naturally occurring chemical elements. And…
Neil deGrasse Tyson Quote: “With only one proton in its nucleus, hydrogen is the lightest and simplest element, made entirely during the big bang. O”
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Protein Data Bank on X: The International Year of the Periodic Table is launched today. Currently, only 16 of the 94 naturally occurring elements are not in the PDB, but which are
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