4ESO Física i Química , ARTICLE 48 : LESSON 1 , SECTION 1. ELEMENT CLASSIFICATION, PERIODIC TABLE HISTORY AND KINDS OF CHEMICAL BONDS.

                                                         

                     LESSON 1.  SECTION 1. (It matches lesson 7 of your textbook).

                                   CHEMICAL BOND. ELEMENT CLASSIFICATION.

 - Read here about periodic table’s history and how it was developed through several scientist’s work :

                               http://www.rsc.org/periodic-table/history/about

 - Elements classification : Metals, nonmetals and metalloids :

            1.  http://www.dummies.com/education/science/chemistry/the-periodic-table-metals-nonmetals-and-metalloids/

            2. https://prezi.com/aaya57exh9rj/the-difference-between-metals-non-metals-and-metalloids/

            3. https://www.youtube.com/watch?v=5R08N3u5Z_Y

      SORTS OF CHEMICAL BONDS.

                                   (IONIC, COVALENT AND METALLIC BONDS).

             1. http://www.insula.com.au/physics/1250/L7.html

             2. https://www.youtube.com/watch?v=CGA8sRwqIFg

             3. https://www.youtube.com/watch?v=QXT4OVM4vXI

             4. Covalent bond :

 

                  https://www.youtube.com/watch?v=ZxWmyZmwXtA

             5. Ionic versus covalent bond :

                 a) https://www.youtube.com/watch?v=5AOblYlknBc

                 b) https://www.youtube.com/watch?v=PKA4CZwbZWU

- If you have not understand yet what is the difference between an ionic and covalent bond, you have an easier videos here to get it !! :

              * Ionic bond :  https://www.youtube.com/watch?v=DEdRcfyYnSQ

              * Covalent bond :  https://www.youtube.com/watch?v=LkAykOv1foc