This book is about the application of chemical nuclear zones method to categorize chemical clusters, this approach is easy and fast. That is why more than one hundred and seventy examples have been analyzed and categorized using the method, the main focus of this approach was on golden clusters, which revealed that a D2 nuclear configuration was very predominant. Furthermore, this method revealed a universe of chemical clusters centered in a quadrant bound by C0 and D0 axes, this discovery implies that many clusters will have to be redefined by x-ray crystal analysis specifically to locate the nuclear zones of chemical clusters. It is possible that in future, x-ray crystal structure analysis will have to take into account the existence or non-existence of nuclear zones in cluster formulas.