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Physics, 16.08.2020 14:01 barb4you67
In 1869 Dmitri Mendeleev was trying to arrange the 65 known elements in a logical way. He arrived at the solution when he saw the elements arranged by atomic weight in a dream . He tried this arrangement and it worked. What is this an example of?
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In 1869 Dmitri Mendeleev was trying to arrange the 65 known elements in a logical way. He arrived at...
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