Question

what is mean by periodicity

Answer 1

Periodicity in modern periodic table refers to the repitition of elements with similar properties after a fixed interval.

Answer 2

The Modern Periodic Law

The Modern Periodic Law states that " Properties of elements are periodic functions of their atomic numbers " .

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Periodicity - definition

The occurrence of characteristic properties of elements at definite intervals in the Modern Periodic Table when the elements are arranged in increasing order of their atomic numbers is called periodicity.

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Periodic properties

The properties of elements which occur at regular intervals in the Modern Periodic Table are called periodic properties .

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Periodic properties include the following :

• Atomic radius
• Ionisation potential
• Electron affinity
• Electronegativity  and so on.

Hope it helps you

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