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periodic law
[ peer-ee-od-ik, peer- ]
noun
, Chemistry.
- the law that the properties of the elements are periodic functions of their atomic numbers.
- Also called Mendeleev's law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.
periodic law
/ ˌpɪərɪˈɒdɪk /
noun
- Also calledMendeleev's law the principle that the chemical properties of the elements are periodic functions of their atomic weights or, more accurately, of their atomic numbers
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Word History and Origins
Origin of periodic law1
First recorded in 1870–75
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Example Sentences
In 1869 Mendelejeff published his celebrated memoir, and the periodic law took its place as a distinct addition to science.
From Project Gutenberg
Every good theory is prophetic; but few generalizations have been so strikingly verified in this respect as has the periodic law.
From Project Gutenberg
Mendeleeff gave the discovery fullest expression, explicating it in 1869, under the title of "the periodic law."
From Project Gutenberg
So very soon the periodic law took its place as one of the most important generalizations of chemical science.
From Project Gutenberg
The periodic law has proved of much value in the development of the science of chemistry.
From Project Gutenberg
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