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A transition metal X has a configuration [Ar] 3d 5 in its +3 oxidation state. Its atomic number is:- 1) 22 2) 26 3) 28 4) 19

A transition metal X has a configuration [Ar] 3d5 in its +3 oxidation state. Its atomic number is:-
 
 
1) 22 
2) 26  
3) 28 
4) 19
 
 
 
 
 

Grade:12th pass

1 Answers

Khushi goyal
49 Points
6 years ago
This means it has lost 3 electrons (after loosing its config is Ar3d5) and here the atomic no. is 23 so before loosing 3 electrons its atomic no. was 26

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