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Electronic configuration of some elements are given. Write answers to the following questions. 

i. [Ne] 3s2 

ii. [Ar ] 3d2 ,4s2

iii. [Xe] 6s2

 iv. [Ne]3s2

v [Ne] 3s2 ,3p5 

a. Which metal is having high reactivity? 

b. Which is having possibility of formation of colored compounds? 

c. Which is the non-metal? d Which element shows the possibility of +2 oxidation state?

1 Answer

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a. [Xe] 6s1 

b. [Ar ] 3d2 , 4s2 

c. [Ne] 3s2 , 3p5 

d. [Ne] 3s2 ,[Ar] 3d2 , 4s2

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