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0.2 mol of the transition metal (M) combine with excess of chlorine gas to form 30.3 g of MCl3 ... What is the electronic configuration of the ion of the metal (M) in this compound? [Sc= 45 ,Cr= 52 ,Fe=55.8 ,Co=58.9 ,Cl=35.5] A) [Ar], 3d3 B) [Ar], 3d5 C) [Ar], 3d6 D) [Ne], 3s2, 3p6

0.2 mol of the transition metal (M) combine with excess of chlorine gas to form 30.3 g of MCl3 ... What is the electronic configuration of the ion of the metal (M) in this compound? 
[Sc= 45 ,Cr= 52 ,Fe=55.8 ,Co=58.9 ,Cl=35.5]
A) [Ar], 3d3
B) [Ar], 3d5
C) [Ar], 3d6
D) [Ne], 3s2, 3p6

Grade:12

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