Many of the star elements of the periodic table may no longer be around by Dmitri Mendeleev’s 200 th birthday in 2034, unless we begin preserving them. Endangerment or extinction is not confined to ...
If you ever want to open a chemistry theme restaurant, you should be sure to furnish it with 118 tables — one for each element. Note that it could not be a Greek restaurant, because then the number of ...
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