Question

define periodicity of an element​

Answer 1

Explanation:

The recurrence of properties of the elements, after a certain regular intervals, when they are arranged in the increasing order of their atomic numbers, is called periodicity.

Answer 2

Answer:

Repetition of properties after a certain interval is called periodicity of properties. If elements are arranged in increasing order of their atomic number in the periodic table, then elements repeat its properties after a definite interval. This repetition of properties is known as periodicity of properties.

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