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Chemistry

Contemporary set of lectures about element number 2 Helium

Jun 16, 2008 |
This site contains chemical properties of chemical element Helium. All the information on this website has been written by well known scientists and can be usefull for students from chemical and ... Read more

Fluorine, F in live organisms

Feb 6, 2009 |
This website contains chemical properties of F, Fluorine . All the information in this book has been written by famous lecturers and can be very useful for scientists from chemical facilities. ... Read more