Question

what is periodicity in properties????​

Answer 1

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 their properties after a definite interval.

Answer 2

Periodicity in properties of elements means occurrence of characteristic properties at definite intervals in the modem periodic table, when elements are arranged in increasing order of their atomic number.

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