الملخص
The author wishes to express her thanks and sincere gratitude to Prof. Dr. Seham M. Abd El-Motaal, Professor of physical chemistry, and Head of chemistry Department, Girls College of Education, Scientific Sections-Umm Al-Qura University-Makkah Al-Mukarramah and to Dr. Ehtram Noor associate professor of physical chemistry, Girls College of Education, Scientific Sections-King Abdulaziz University-Jeddah for suggesting the scope of research, continuous guidance throughout this work and interpretation, which made the thesis possible in its present work.in order to pronounce the same segment I would like to express my appreciation to Dr. Sameha A. Al-Kary Dean of Girls College of Education-Scientific Sections and all staff members of chemistry department, at the Girls College of Education, Scientific Sections-Umm Al-Qura University-Makkah Al-Mukarramah for encouragement, support and advice through out the study.
