What are the differences in properties between Cu1+ and Cu2+ (Copper (I) and Copper (II) respectively)?
Copper is a very interesting element. It is one of the transition elements that actually uses electrons from one of the inner orbitals in chemical reactions. In addition, it has more than one oxidation state. Like many of the transition elements, copper has a colored ion. Copper typically forms a bluish green solution. Copper (Cu) has two valences Cu I (cuprous) has one valence electron and Cu II (cupric) has two valence electrons. Copper was one of the earliest known metals, having reportedly been mined for over 5000 years. In nature it has two isotopes, 63 (69.09%), which has 29 electrons and protons and 34 neutrons, and 65 (30.91%), which has 29 electrons and protons and 36 neutrons. Brass and bronze are alloys of copper.
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