Question

what do you meant by periodicity of an element??
please don't copy it from Google

Answer 1

The changing trends or variations in the physical and chemical properties of elements at periodic/regular intervals on moving down a group or across a period in a periodic table is called periodicity.

Periodicity occurs due to similar electronic configuration i.e. the valence electrons of elements.

Hope this helps!

Answer 2

Periodicity means arrangements of elements in

periodically.

Elements are arranged in a proper order

groups { vertical columns} and periods

{ horizontal rows }.