What is Chemistry? 
        Chemistry is the study of 
         matter.
        Matter is anything that has 
         mass and takes up space.  
               What is an atom? 
        An atom is the smallest unit 
         of matter.
        An atom can NOT be divided 
         any smaller
                  What is an element?
          Any substance that is made up of one kind 
           of atom is an element. 
          Examples of Elements: 
                                                               All elements are 
           
             Gold                                           presented by symbols.
                                                                  Oxygen – O
             Copper
                                                                   Carbon – C
             Iron                                                   Iron – Fe  
                                                             All known elements 
             Oxygen
                                                        are on the Periodic Table. 
             Hydrogen 
           Do you know any other elements? 
           _________________________________
   What is an element? 
               What is a molecule? 
        A molecule is made up of 2 or more 
         atoms.
        Some molecules are made up of 
         millions of atoms. 
        Atoms are held together by bonds.
                                                                     Bond
                           Water Molecule:
                      2 hydrogen atoms
                      1 oxygen atom 
     
                 
                   No! Not 007 James Bond