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.
History Shows Obama Doesnât Need Congress to Seal Iran Deal. In a letter to Iran this week, nearly four dozen Republican senators showcased the limitations of a potential unilateral nuclear deal by President Obama, rightly warning that the future U.S. president could reverse the agreement.