1. Department of Science Education, Faculty of Education, Mersin University, 33343 Mersin, Turkey
2. Department of Physics, Faculty of Sciences, Dicle University, 21280 Diyarbakır, Turkey
3. Department of Chemistry, Faculty of Arts and Science, Mersin University, 33343 Mersin, Turkey
4. Department of Physics Engineering, Hacettepe University, Beytepe, 06800 Ankara, Turkey
5. Department of Chemistry, University of Paderborn, 33098 Paderborn, Germany