1. Elements*

2. elements? What are elements?  Pure substances that are composed of the same type of matter throughout and cannot be divided into simpler substances through normal chemical or physical processes.

3. Elements  Elements are found on the  Periodic Table   Elements are the  Building blocks of matter.  Everything  Everything is built from or  Composed of  Composed of elements. 90  There are 90 naturally occurring elements. created in lab  The rest are created in lab. the earth’s crustatmosphere oceansliving things  Elements are important components of the earth’s crust, atmosphere, oceans, and living things.

4. Elements  They are usually found  Combined with other elementsin pure form.  Combined with other elements, but can be found in pure form.  limited atmosphereoceansliving things  A limited number of elements make up the solid earth, atmosphere, oceans, and living things.

5. What are some common elements around us?  Penny: Copper (Cu)  Nickel: Nickel (Ni)  Foil: Aluminum (Al)  Coal: Carbon (C)  Balloon: Helium (He)  Iron Pan: Iron (Fe)  Tincture of Iodine: Iodine (I)  Fishing Weight: Lead (Pb)

6. Elements you need to know!*  H: Hydrogen  He: Helium  N: Nitrogen  O: Oxygen  C: Carbon  Cl: Chlorine  Na: Sodium  Ca: Calcium Which of the above elements are gases? *H, He, N, O, Cl Which of the above elements are metals? * Na, Ca Which of the above elements are solid but not metal? * C