Periodicity :
"The repetition of Certain properties by the elements at a regular interval is known as periodicity".
Causes of periodicity :
Similarity in the electronic configuration of valence shell of elements is the main cause of periodicity.
Mosely pointed out that !
"The repetition of Certain properties by the elements at a regular interval is known as periodicity".
Causes of periodicity :
Similarity in the electronic configuration of valence shell of elements is the main cause of periodicity.
Mosely pointed out that !
- Atomic number is the fundamental property of the elements.
- Similar elements are repeated at a regular interval When they arranged in the Increasing order of their atomic number.
- It has been found that atom have same number of electron in their valence shell have similar properties.
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