PPT-Lewis Structures Honors Chemistry: Bonding

Gilbert Newton Lewis American chemist October 25 1875 March 23 1946 I have attempted to give you a glimpseof what there may be of soul in chemistry But it may have been in vain Perchance the chemist is already damned and the guardian the blackest But if the chemist has lost his soul he will not have lost his courage and as he descends into the inferno sees the rows of glowing furnaces and sniffs the homey fumes of brimstone he will call out . Criss. -Cross Method. 11/22/13 Chemistry. Drill. Draw electron dot structures for each element. . What charge do they typically have?. H. Ca. Ne. Zn (take a guess on the charge). U (take a guess on the charge). (Chp. 8,9). :. Bonding & Molecular Geometry. Chemistry, The Central Science. , 10th edition. Theodore L. Brown; H. Eugene . LeMay. , Jr.; and Bruce E. . Bursten. John D. . Bookstaver. St. Charles Community College. Purpose: to prepare you for the SAT II Chemistry . Test (. your final for my class will be a practice SAT II exam. ). When: Tuesdays after . school. Eligibility: . Semester 1 grade . of B+ or greater (unless teacher-approved). Program. For . any. one who . wants an additional challenge. You . can apply for admission to the UMN Honors Program after freshman . year, GPA >= 3.5. Your degree will say “Cum Laude”, “Magna Cum Laude”, or “Summa Cum Laude”, depending on GPA and honors experiences. Quick Guide for Students. 2015. What is Honors?. Coursework that is “. m. easurably broader, deeper, and . more complex. ,” focused on higher-order thinking . skills, readin. g & . writing intensive. Molecules and . Polyatomic Ions. A molecule is represented by a Lewis structure in which the valence electrons of all the atoms are arranged to give octets. .. Learning Goal . Draw the Lewis structures for molecular compounds or polyatomic ions.. Malcolm, Xavier, Genna. Octet Rule. -Small molecules and polyatomic ions can use basic octet rule.. -Larger molecules, determine general arrangement of atoms, skeleton.. -Always includes central atom, atoms surrounding it bonded.. Molecules and . Polyatomic Ions. A molecule is represented by a Lewis structure in which the valence electrons of all the atoms are arranged to give octets. .. Learning Goal . Draw the Lewis structures for molecular compounds or polyatomic ions.. Culture of Poverty: . There are economic, social, and psychological traits that define the culture of poverty. Lewis specifically described the culture of poverty through a set of seventy interrelated traits. The culture of poverty can be explained as, “The way the poor adapted to their environment, the strategies they used to care with feelings of ’hopelessness and despair,’ a result of their ‘realization of the improbability of achieving success’ in class-stratified cities undergoing rapid technological change.” . Mrs. Page. Essential Idea. Lewis (electron dot) structures show the electron domains in the valence shell and are used to predict molecular shape. .. Nature of Science. Scientists . use models as representatives of the real world – the development of the model of molecular shapes (VSEPR) to explain observable properties.. Covalent Bonding. A . chemical bond . is the force that holds two atoms together and makes them function as a unit. Atoms form bonds to become most stable and obtain an octet. Covalent Bonding: Electrons are shared between two or more elements. Always between 2 non-metals. Bonding Theories. Explain how atoms bond together to form molecules. Explain why some combinations are stable and others are not. Table salt . NaCl. …. Not NaCl. 2. Water is H. 2. O …. Not H. 3. Covalent bonds . result from the . sharing . of electrons. between two atoms.. A covalent bond is a . two-electron bond . in which the bonding atoms share valence electrons.. A . molecule . is a discrete group of atoms held together by covalent bonds.. Chapter 2 Analysis of Algorithms Chapter Scope Efficiency goals The concept of algorithm analysis Big-Oh notation The concept of asymptotic complexity Comparing various growth functions Java Software Structures, 4th Edition, Lewis/Chase