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  • Elements in the periodic table in which the last electron enters the outermost s- orbital are known as Option: 1 Alkali and alkaline earth metal

Elements in the periodic table in which the last electron enters the outermost s- orbital are known as 

Option: 1

Alkali and alkaline earth metals 


Option: 2

Halogens 


Option: 3

Transition elements 


Option: 4

Actinids 


Answers (1)

best_answer

The general electronic configuration of s- block elements is ns^{1-2} and these elements are called Alkali metals ns^{1} and alkaline ns^{2} earth metals. 

The correct answer is option 1.

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Gunjita

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