https://padlet.com/b2sem/lx0cb3uwlopzl0sl عدد خصائص أشباه الفلزات الفيزيائية؟ en-us 2021-12-22 18:01:04 UTC 2021-12-22 18:10:32 UTC hello@padlet.com b2sem https://padlet.com/b2sem/lx0cb3uwlopzl0sl/wish/1960947832 2021-12-22 18:10:09 UTC https://padlet.com/b2sem/lx0cb3uwlopzl0sl/wish/1960947832