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.
Soon after, with the assistance of Algerian intermediaries, successful negotiations began between the United States and Iran. On the day of Reaganâs inauguration, the United States freed almost $8 billion in frozen Iranian assets, and the hostages were released after 444 days. The next day, Jimmy Carter flew to West Germany to greet the Americans on their way home.