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periodic system
[ peer-ee-od-ik, peer- ]
noun
, Chemistry.
- a system of classification of the elements based on the periodic law.
periodic system
/ ˌpɪərɪˈɒdɪk /
noun
- the classification of the elements based on the periodic law
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Word History and Origins
Origin of periodic system1
First recorded in 1870–75
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Example Sentences
These metals ranged from calcium to zinc in the Periodic System.
From Project Gutenberg
For many years the periodic system was considered closed at 92.
From Project Gutenberg
The X-ray method gives the order as iron, cobalt, and nickel, and this is the accepted order in the Periodic System.
From Project Gutenberg
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