explain how the elements are classified into s, p, d and f-block elements in the periodic table and give the advantage of this kind of classification
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Answer:
All the elements are classified into s,p,d and f on the basis of presences of last electron for example if last electron of elements falls in the s orbital then the element will be placed in s blocks .This kind of classification makes the study easier
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The elements are classified into blocks in the periodic table: S,P,D,F blocks.
The advantage of this kind of classification:
1] S blocks : The differenating electron enters into S-orbital is called S blocks. It contains two groups 1A , 2A. 1A group are called alkali metals. 2A group are called alkali earth metals.
2] P blocks : The differenating electron enters into P-orbital is called P blocks. it contains six groups 3A, 4A, 5A, 6A, 8A. it contains metals, non- metals.
3] D blocks : The differenating electron enters into D-orbital is called D blocks. It contains ten groups 3B, 4B, 5B, 6B, 7B, 8B, 1A, 2A.
4] F blocks : The differenating electron enters into F-orbital is called F blocks. it contains 2 series 1] 4f- ce - le. 2] 5f -th- lr.