1. Write the name of element that has 45 electron in the it shells and electronic configuration and predict the location at periodic table and how match electrons in valence shell 2. What is isomers, and writ its main types and give examples: 3. What is the type bonds of hybrid carbon and explain how it form? 4. Writ the IUPAC name of each compounds in followine table: 5. Writ the name of the following compounds: 6. Prepare the following compound starting from 1,2-dibromo propane