  Teacher the Teacher: What is your least favorite food?  Review: What is the independent variable? Warm-up 10/23/12

Where elements come together

  Periodic Table —an organized list of all known elements that are arranged according to their properties.  The 1 st person to organize elements was Dmitri Mendeleev in the 1800s.  Mendeleev organized the elements by their atomic mass and left spaces for unknown elements. The Periodic Table

  Mendeleev’s table was mostly correct, but it is more accurate to organize elements in order of increasing atomic number. Mendeleev’s table The Modern Periodic Table

  Protons = Atomic Number  Atoms get their identity and properties due to the number of protons they have  change the #p+ change the element  Electrons = Number of protons  For neutral atoms, ions are different  Neutrons = Atomic Mass – Atomic Number  Atoms of the same element can have different masses. These are called isotopes. The difference in mass is due to more or less neutrons

Atoms: by the NUMBERS the element song

  Teach the Teacher: If you had to be a teacher what subject would you want to teach? What subject do you think would be the hardest to teach?  Review: Is CO2 a compound or element, or mixture? Warm-up 10/24/12

  Important Mandala  Lab Rap  Supplies Extra Credit  Orange Sheet  People Bag  Ice Cube Labe  M&M Lab  Sponge Bob  Metric Mania  Disney SM S&R  US to Metric  SM Test  History of the World  Design Your Own Question  Ber. I’ll Fly  M, C, E Lab  Chem/Phy Lab  Fireworks  Matter Mandala  Search and Rescue  Stuff that Matters Test Grade Sheet G1

  Important Mandala  Lab Rap  Supplies Extra Credit  Orange Sheet  People Bag  Ice Cube Labe  M&M Lab  Sponge Bob  Metric Mania  Disney SM S&R  US to Metric  SM Test  History of the World  Design Your Own Question  Ber. I’ll Fly  M, C, E Lab  Chem/Phy Lab  Fireworks  Matter Mandala  Search and Rescue  Stuff that Matters Test Grade Sheet G3

  Important Mandala  Lab Rap  Supplies Extra Credit  Orange Sheet  People Bag  Ice Cube Labe  M&M Lab  Sponge Bob  Metric Mania  Disney SM S&R  US to Metric  SM Test  History of the World  Design Your Own Question  Ber. I’ll Fly  M, C, E Lab  Chem/Phy Lab  Fireworks  Matter Mandala  Search and Rescue  Stuff that Matters Test  Letter To a Guardian Grade Sheet G4

  Important Mandala  Lab Rap  Supplies Extra Credit  Orange Sheet  People Bag  Ice Cube Labe  M&M Lab  Sponge Bob  Metric Mania  Disney SM S&R  US to Metric  SM Test  History of the World  Design Your Own Question  Ber. I’ll Fly  M, C, E Lab  Chem/Phy Lab  Fireworks  Matter Mandala  Search and Rescue  Stuff that Matters Test Grade Sheet G4

  Important Mandala  Lab Rap  Supplies Extra Credit  Orange Sheet  People Bag  Ice Cube Labe  M&M Lab  Sponge Bob  Metric Mania  US to Metric  SM Test  History of the World  Design Your Own Question  Ber. I’ll Fly  M, C, E Lab  Chem/Phy Lab  Fireworks  Matter Mandala  Search and Rescue  Stuff that Matters Test Grade Sheet O3 or 7th

  Important Mandala  Lab Rap  Supplies Extra Credit  Orange Sheet  People Bag  Ice Cube Labe  M&M Lab  Sponge Bob  Metric Mania  US to Metric  SM Test  History of the World  Design Your Own Question  Ber. I’ll Fly  M, C, E Lab  Chem/Phy Lab  Fireworks  Matter Mandala  Search and Rescue  Stuff that Matters Test Grade Sheet O4 or 8th

  Teach the Teacher: What is the best outdoor winter activity?  Review: What is the group that you do nothing too? Warm-up 10/25/12

 Flash Card On the Front Write:  Atomic Number On the Back Write:  Top number, tells the number of protons and electrons

Chemical Symbols (Scientist Texting)  Abbreviations for chemicals  Punctuation is KEY  Capital Letters big, little letters small  Spacing  Elements  ALWAYS Start with a capital letter  Symbols can be 1,2 or 3 letters  First letter is capitalized and 2 nd & 3 rd are lowercase

Example of Messing up Chemical Symbol  CO doesn’t equal Co  CO = Carbon monoxide Co = Cobalt

  Periods —horizontal rows of elements on the periodic table.  Periods are numbered 1-7  Elements increase by one proton as you move from left to right across a period. Periods

 Groups  Groups (or families) —vertical columns on the periodic table.  They are numbered  Elements in each group have similar properties.

 Electrons & The Periodic Table  The periodic table organizes elements based on where their electrons are located.  Electrons (e - )—are located in different energy levels around the nucleus.  Elements in the same group have electrons arranged similarly which gives them similar properties.

 Solid, Liquid, or Gas?

 Electron Shells  The number of energy levels or electron shells is determined by the period number.  Period 1: 1 electron shell and can hold 2 e -  Period 2: 2 electron shells & can hold 8 e -  Period 3: 3 electron shells & can hold 16 e -  As you move down the periodic table, 1 electron shell is added each time.  The outer electron shell must be full (usually with 8 e - ) to be stable.

  Teach the teacher questions: If you could get a gift card to any store in the mall, what store would it be?  Review: List as many elements as you can think of (you can use resources). Warm-Up 10/26/12

 Electron Dot Diagrams  You can show the number of electrons in the outermost electron shell by using an electron dot diagram.  Dot diagrams use valence electrons which are the electrons in the outer electron shell.  Electron Dot Diagram —uses the symbol of the element and dots to represent the valence electrons.

  atom or molecule with missing or extra electrons  Ions are charged particles (positive or negative)  charge = #protons - #electrons  charge given as a trailing superscript  positive ions are cations X +  negative ions are anions X – Ions

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 Flash Card On the Front Write:  Atomic Mass On the Back Write:  Bottom number, is the mass of protons and neutrons

 Flash Card On the Front Write:  Nucleus On the Back Write:  Holds protons and neutrons

 Flash Card On the Front Write:  On the Back Write:  Periodic square information Atomic # Symbol Element Atomic Mass

  Teach the Teacher: If you were a bird, what kind of bird would you be? (example: bald eagle, hummingbird, penguin)  Review: What is all the information that is given to you on one square of a periodic table? Warm-up 10/29/12

 Flash Card On the Front Write:  Valence Electrons On the Back Write:  Number of electrons in the outer most shell

 Flash Card On the Front Write: Groups On the Back Write:  Elements in the same column, have similar properties

 Flash Card On the Front Write:  Periods On the Back Write:  Elements found in the same row

 Flash Card  On the front:  1. Hydrogen  2. Helium  3. Lithium  4. Beryllium  5. Boron  On the Back:  1. H  2. He  3. Li  4. Be  5. B

 Pillowcase Vocab

 What you need: Key saying what each color stands for 2 colors 1 to circle vocab words 1 to put an arrow  towards important info Graffiti Notes