Exam 1. Testing A Hypothesis . Hypothesis: individuals who are committed to performing well will do better on the exam. My measure of “commitment to theory class” 0: no assignments turned in 1: turned in, but no assignments > 8 2: at least one assignment > 8By erv
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The Atmosphere Insulates and Protect the Planet. http://www.agci.org/classroom/atmosphere/. http://upload.wikimedia.org/wikipedia/commons/6/66/Air_composition_pie_chart.JPG. http:// start.org/programs/biodiv/learningresources/module1/presentations.
BONDING. WHY ATOMS COMBINE -1. All atoms want a full outer shell Some atoms will lose electrons to empty their shells These become positively charged ions Metal atoms will lose electrons Positive ions are called CATIONS. Why atoms combine - 2. All atoms want a full outer shell
Bonding. Ionic Bonding. What is an ionic bond?. A bond formed by the electromagnetic attraction between ions of opposite charge. Ions can be single charges atoms OR groups of atoms that carry a charge (called polyatomic ions ) Formed between an metal and a nonmetal. Oxidation State.
Bonding. What are ionic bonds, and how are they formed?. Computer Lab: Ionic Bonds. Go to http://www.pbslearningmedia.org/asset/lsps07_int_ionicbonding/ Read each screen and follow the directions where appropriate. Answer the questions on the screens in your packet.
Bonding. p. 97-106. chemical bond : interaction between atoms or ions decreases the potential energy of an atom; makes it more stable only the valence electrons are involved!. Three Types of Bonds. Bond type depends on electronegativity (electron affinity)
Bonding. Forces that hold molecules together. Learning Goals. Students will: Understand how ionic and covalent bonds form (review) Understand electronegativity and polar covalent bonding Lewis dot diagrams and Lewis structures
Bonding. Electron Configuration. Remember that electron configuration refers to the arrangement of electrons in the orbital of an atom!. We will study . . . Ionic Bonding Covalent Bonding Metallic Bonding. occurs between a metal and a nonmetal. Three Types.