Dmitri Mendeleev — "There exists everywhere a medium in things, determined by equilibrium."
There exists everywhere a medium in things, determined by equilibrium.
There exists everywhere a medium in things, determined by equilibrium.
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"The knowledge of the properties of the elements is the foundation of all chemistry."
"The periodic law is one of the most important generalizations in chemistry."
"I have achieved neither fame nor wealth, but I have learned to know the human heart."
"No law of nature, however general, has been established without a multitude of experiments and observations."
"I have spent twenty-five years in the study of petroleum and have come to the conclusion that it is a product of the earth's interior, formed at great depths."
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