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Word: mendeleeff (lookup in dictionary) (lookup stats)
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...over-worked Physics B laboratory came the long-heralded "eureka," and a little spectacled man clenched in his fist the treatise proving the existence of the 93rd element. The strange thing about the new element is why didn't somebody think of it before. This, the one that Mendeleeff missed, has been given the formula Wo., and has been appropriately named Woman...

Author: NO WRITER ATTRIBUTED | Title: It Started With Eve--Or the First "92" Are the Hardest. | 2/25/1943 | See Source »

...Nucleus, The late great Dmitri Ivanovitch Mendeleeff arranged the 92 elements in a periodic table according to weight. The late Henry Gwyn-Jeffreys Moseley found that each atomic number corresponded to the number of negatively charged electrons outside the nucleus. Element No. 1, hydrogen, has one such electron; No. 2, helium, has two; lithium, No. 3, three. . . . For each negative electron the nucleus of an atom must contain a positively charged proton. And, except in hydrogen, all nuclei were found to contain more protons than were electrons around them. The additional necessary electrons were found in the nucleus. Lithium, with...

Author: /time Magazine | Title: Science: Nuclear Secrets | 12/21/1931 | See Source »

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