Dmitri Mendeleev — "The properties of the elements are a periodic function of their atomic weights."
The properties of the elements are a periodic function of their atomic weights.
The properties of the elements are a periodic function of their atomic weights.
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"The law of periodicity was a result of the accumulation of a large number of facts."
"No law of nature, however general, has been established all at once; its recognition has always been preceded by many presentiments."
"The weight of the atom is not the only criterion; there are other considerations."
"The periodic law is now so firmly established that no one can gainsay its fundamental truth."
"The chemical elements are the children of the sun."
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