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.
Obama puts nuclear deal into effect, but Iran still likely months away from sanction relief. Published October 18, 2015. FoxNews.com. President Obama on Sunday signed the Iran nuclear deal, officially putting the international agreement into effect. The presidentâs signature opens the way for Iran to make major changes to an underground nuclear facility, a heavy water reactor and a site for enriching uranium.