1. Atoms and Elements Pages E40- E43

2. Atom Define: Parts of an atom: The basic unit of matter Nucleus - Center Protons - positive Neurons - neutral Electrons - negative

3. Define: A substance made up of only 1 kind of atom. Periodic table: A chart that organizes elements by similar properties in order of increasing atomic number Element

4. Periodic Table

5. Closer look!

6. Molecules Define: Two or more atoms of the same element linked together

7. Compounds Define – a substance made of the atoms of two or more different elements Examples - Water = H2O or Salt = NaCl

8. Metals Elements are classified by their _________________, About ¼ of elements are nonmetals.

9. Properties of Metals Luster Ductile Malleability Conductor Insulator

10. Luster What is luster? Why is gold used in jewelry?

11. Ductile Definition: Example of an element that is ductile:

12. Malleable Define: What is an example of a malleable element?

13. Conductors and Insulators Metals ________, or transfer, electricity or heat. Non metals like wood, glass & plastics are _____________ and do not conduct electricity. – What are some everyday examples of Insulators?

14. Brain Pop Brain pop metals http://genesismission.jpl.nasa.gov/ educate/scimodule/UnderElem/Un derElem_pdf/TeachText.pdf http://genesismission.jpl.nasa.gov/ educate/scimodule/UnderElem/Un derElem_pdf/TeachText.pdf http://www.chem4kids.com/files/el em_pertable.html http://www.chem4kids.com/files/el em_pertable.html http://library.thinkquest.org/3659/ pertable/nonmetal.html http://library.thinkquest.org/3659/ pertable/nonmetal.html