How many valence electrons are there in a cr atom which of


1. How many valence electrons are there in a Cr atom?

2. Which of the following 1M solutions will have the highest concentration of ions?

Na2[CdCl4]
K2[MoOCl4]
K3[V(C2O4)3]
[Zn(en)2]Br2
[Co(en)2(C2O4)]Cl

3. In which one of the following coordination complexes is the metal in the +3 oxidation state?

[Pt(NH3)Cl2]
[Zn(NH3)2Cl2]
[Cu(NH3)4]2+
[Co(NH3)5Cl]2+

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Chemistry: How many valence electrons are there in a cr atom which of
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