What is Periodic Change?

Change means to become different. It can be a deviation or modification. Changes are of different types. 

Periodic changes are the changes that occur repeatedly over a fixed period of time and their recurrence is predictable and hence, are called periodic changes.

For example, Changing of seasons such as winter, summer, autumn, spring and rainy seasons every year is a periodic change.
Other examples of periodic changes are the waxing and waning of the moon nights, the generation of high and low tides in the sea, etc.

Advantages of periodic changes:

  1. One of the advantages of periodic change is the formation of the modern periodic table.
  2. Periodic trends, arising from the arrangement of the periodic table, provide chemists with an invaluable tool to quickly predict an element's properties. These periodic trends exist because of the similar atomic structure of the elements within their respective group families or periods, and because of the periodic nature of the elements.


Simply Easy Learning

Updated on: 10-Oct-2022


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