periodic law definition

  • noun:
    • Chemistry The principle your properties of this elements recur periodically as their atomic figures increase.
    • The concept that chemical properties for the elements tend to be periodic features of their atomic figures
    • See under Periodic.
    • (chemistry) the concept that chemical properties of the elements tend to be regular features of these atomic numbers
  • adjective:
    • the generalization that the properties of the chemical elements tend to be regular functions of the atomic wieghts. “To put it differently, if the elements tend to be grouped in the order of their particular atomic loads, it should be found that almost the exact same properties recur occasionally for the whole show.” Here tabular arrangement of atomic loads reveals the normal recurrence of teams (under I., II., III., IV., etc.), each consisting of members of the same normal family. The spaces inside table indicate the possible presence of not known elements.

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