عبدالرحمن محمد عبدالله العريفى

 

موقع أيوباك الرسمي   

 الجدول الدوري 2

الموسوعة العلمية الكيميائية

بيوتات الكيمياء

  

http://www.liv.ac.uk/Chemistry/Links/reactions.html

http://www.chemnet.com/

http://www.chemhelper.com/

http://www.scientificupdate.co.uk/

http://nobelprize.org/nobel_prizes/chemistry/laureates/index.html

http://www.schems.org.sa/

http://portal.acs.org/portal/acs/corg/content

http://directory.google.com/Top/Science/Chemistry/

http://dir.yahoo.com/Science/chemistry/

http://www.liv.ac.uk/Chemistry/Links/links.html

http://www.chem.ucla.edu/chempointers.html

http://www.chemtopics.com/links.htm

http://www.anachem.umu.se/eks/pointers.htm

http://portal.acs.org/portal/acs/corg/content

http://www.thecatalyst.org/

http://www.chemistryguide.org/

http://library.caltech.edu/collections/chemistry.htm

http://library.duke.edu/research/subject/guides/chemistry/

http://www.library.yale.edu/science/subject/chemistry.html

http://www.chem.rdg.ac.uk/resources/resources.html