Complex Hexaaminenickel(II)chloride
Hexaaminenickel(II)chloride Hexaaminenickel(II)chloride is a coordination compound with the chemical formula of [Ni(NH 3) 6 ]Cl2 1. Atomic Structure Nickel (Ni) Atomic Number : 28 Electron Configuration : [ 𝐴𝑟 ]3 𝑑 84 𝑠 2[ Ar ]3 d 84 s 2. This means nickel has a core of argon with eight electrons in the 3d orbital and two electrons in the 4s orbital. Valence Electrons : The valence electrons for nickel are generally the electrons in the outermost shell, which includes the 4s and 3d orbitals. Since nickel is in the 10th column of the periodic table, it has ten valence electrons: eight in the 3d orbital and two in the 4s orbital. In this compound, nickel has an oxidation state of +2. When forming the complex ion with ammonia, nickel loses the two 4s electrons, leaving an electron configuration of [ 𝐴𝑟 ]3 𝑑 8[ Ar ]3 d 8. The coordination complex forms when six ammonia (NH_3) molecules act as ligands, donating their electron pa...