Isomerism is the phenomenon whereby certain compounds, with the same molecular formula, exist in different forms owing to their different organisations of atoms. The concept of isomerism illustrates the fundamental importance of molecular structure and shape in organic chemistry.
By signing the nuclear deal, Iran has given up that nuclear umbrella for as long as two decades and made the case for the United States to further strengthen the conventional military capacities of Israel and the GCC.
Under an agreement with six world powers, Iran would stop enriching uranium at the facility. Iran, the United States and five other world powers have reached a landmark agreement about the future of Iran's nuclear programs.