1. Master student, Department of Chemistry, Faculty of Education, Ain Shams University
2. prof of physical chemistry, Department of Chemistry, Faculty of Education, Ain
Shams University
3. prof. of inorganic chemistry, Department of Chemistry, Faculty of Education, Ain
Shams University
4. Lecturer of physical chemistry, Department of Chemistry, Faculty of Education, Ain Shams University
5. Assistant Prof. of physical chemistry, Department of Chemistry, Faculty of Education, Ain Shams University