Iron ***

Описание к видео Iron ***

http://www.periodic-table.org.uk/elem...
Watch this video about the element iron. An ideal educational resource for chemistry students, schools and teachers. What is iron? Information and facts regarding the element iron. Info about the element iron including the definition, name classification, history, discovery and occurrence. The physical properties and chemical properties of this element together with the uses of iron.

http://www.periodic-table.org.uk/inde...

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