Bio+Dec+5,+2011


 * Bell Ringer:**
 * Read through the following learning objectives listed below.**

//**Unit: Chemical Basis of Life**// //**Sub Unit: The Nature of Matter**//

//**After you should to be able to:**// //Define a chemical compound.// //Write a formula for table salt.// //Explain the difference between an ionic bond and a covalent bond.// //Provide an example and explain the purpose of a trace element.// //Identify atomic mass, atomic number, and atomic symbol of elements on the periodic table.// //Explain energy levels of electrons and their importance in chemical bonding.// //Draw electron shell diagrams for hydrogen, oxygen, water, methane, sodium ion, chloride ion, and sodium chloride.// //Draw a water molecule depicting partial charges indicting polarity.// //Explain the difference between polar verses nonpolar.// //Explain the importance of weak chemical bonds to living organisms.//

//Homework: "hard copy" due by next Monday Dec 12th// //Use excel (or Google Docs) to create a pie graph of the naturally occurring elements in the human body.//

//**Resources:**// //Basic Information:// //Miller & Levine Biology Textbook (2006)// //naturally occurring elements in human body:// http://www.windows2universe.org/earth/geology/life_elements.html

//Blank Worksheet ch 2-1; key// //Gecko & van der Waals forces// [] []