4ESO Física i Química , ARTICLE 50 : LESSON 1 , SECTION 2. MENDELEIEV PERIODIC TABLE , OXIDATION NUMBERS.

                                                            

                                                                LESSON 1. SECTION 2.

                               MENDELEIEV PERIODIC TABLE. OXIDATION NUMBERS AND FORMULATION.

- Why was Mendeleiev so famous , because of his periodic table? :

   0. http://www.chemistry.co.nz/mendeleev.htm

   1. https://www.youtube.com/watch?v=fPnwBITSmgU

   2. https://www.youtube.com/watch?v=IgA37CNa7Ow

   3.  http://www.rsc.org/education/teachers/resources/periodictable/pre16/develop/mendeleev.htm

    4.  http://www.telegraph.co.uk/technology/2016/02/08/who-was-dmitri-mendeleev-and-how-did-he-order-the-periodic-table/

    5.  http://www.famousscientists.org/dmitri-mendeleev/

   

                                                                   OXIDATION NUMBERS (VALENCIA).

 - What a oxidation number is and what is used for? :

   1. http://study.com/academy/lesson/oxidation-number-definition-rules-examples.html

   2. http://www.wikihow.com/Find-Oxidation-Numbers

   3. Here you have a periodic table with the most important oxidation numbers :

   

       http://www.thecatalyst.org/oxnotabl.html

                                                                       FORMULATION.

    Oxidation numbers are used to formulate chemical compounds to obtain the compound formula, like NaCl or CaO, etc. See here how they are used :

 

    1. https://www.youtube.com/watch?v=vscoYh6m46M

    2. https://www.youtube.com/watch?v=ww_hvRH0Luk