أبوطارق
2016-04-19, 16:10
الغاليوم معدن ينصهر عند درجة حرارة اليد
https://2.bp.blogspot.com/-qOs8WqhnFxo/VxZFhfnFW_I/AAAAAAAAAVQ/2H6el_45x60VMDPwwHbjtprm_4DAn6TFQCLcB/s1600/%25D8%25A7%25D9%2584%25D8%25BA%25D8%25A7%25D9%2584 %25D9%258A%25D9%2588%25D9%2585.JPG
للمزيد من هنـــــــــــا (http://debagha.blogspot.com/2016/04/blog-post_19.html)
https://2.bp.blogspot.com/-qOs8WqhnFxo/VxZFhfnFW_I/AAAAAAAAAVQ/2H6el_45x60VMDPwwHbjtprm_4DAn6TFQCLcB/s1600/%25D8%25A7%25D9%2584%25D8%25BA%25D8%25A7%25D9%2584 %25D9%258A%25D9%2588%25D9%2585.JPG
للمزيد من هنـــــــــــا (http://debagha.blogspot.com/2016/04/blog-post_19.html)