Опубликовано в "Бизнес, Бизнес", язык - English. 7 страниц.
Scandium is a silvery metal that is soft and has a density of about three times that of water. And it is a transition metal and is also considered a rare earth element due to similar chemical properties (such as difficulty in extracting and in separating from other elements) and existence in the same ores. Еще
