what is meant by periodicity in properties............
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Periodicity Definition. In the context of chemistry and the periodic table,periodicity refers to trends or recurring variations in element properties with increasing atomic number. Periodicityis caused by regular and predictable variations in element atomic structure
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The occurrence (or arrangement) of the elements with similar properties after certain regular interval when they are arranged in increasing order of atomic number is called periodicity. The periodic repetition of the properties is due to the recurrence of similar valence shell configuration after certain regular interval, because the elements in a group have similar electronic configuration, they have same number of valence electrons and therefore they show similar chemical properties.
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