PPT-Chemical Bonding and Molecular Structure

Presented by Anik Sinha Department of Chemistry SBSGovernment College Hili TYPES OF BONDS Ionic Bond Ionic bonds are thus electrostatic forces that bind together oppositely charged ions formed by the transfer of electrons from an electropositive element to an electronegative . Molecular Geometry. Ch. 6 Sections 1-4 Review. In general, what determines whether atoms will form chemical bonds?. Atoms will form a chemical bond if their potential energy is lowered in doing so.. Describe the difference between ionic and covalent bonding.. Introduction to Chemical Bonding. Introduction to Chemical Bonding. Objectives:. Define . chemical bond.. Explain why most atoms form chemical bonds.. Describe ionic and covalent bonding.. Explain why most chemical bonding is neither purely covalent nor purely ionic.. IB Topics 4 & 14. Text:. Ch 8 (all except sections 4,5 & 8). Ch 9.1 & 9.5. Ch 10.1-10.7. My Name is Bond. Chemical Bond. PART 5: Giant Covalent Structures, Metallic Bonding & Physical Properties. Advanced Chemistry. Ms. . Grobsky. Determining Molecular Geometries. In order to predict molecular shape, we use the . V. alence . S. hell . E. lectron . P. air . R. epulsion (VSEPR) theory. This theory proposes that the geometric arrangement of groups of atoms about a central atom in a covalent compound is determined solely by the repulsions between electron pairs present in the valence shell of the central atom. . and Structure. IB Chemistry. Topic 4. . Bond - A force that holds . atoms . together and . makes . them . function as a . unit.. 4.1 Ionic Bonding. An . ion. is a charged particle. Ions form from atoms or from groups of atoms by . Orbitals. Organic compounds are organised into groups according to similarities and differences in their structure.. Groups of atoms within a molecule give the molecule specific characteristic properties.. Prepared By:-. Swastik Mishra Upasana Nath. Rahul Kanungo Pratik Patnaik. 1. st. Shift. Kendriya Vidyalaya No-1, . BHubaneswar. Kossel Lewis Approach. Kossel Lewis Approach To Chemical Bonding. In 1916, Kossel and Lewis were the first to become independently successful in giving a satisfactory explanation about the formation chemical bond in terms of electrons. . IB Topics 4 & 14. Text:. Ch 8 (all except sections 4,5 & 8). Ch 9.1 & 9.5. Ch 10.1-10.7. My Name is Bond. Chemical Bond. PART 5: Giant Covalent Structures, Metallic Bonding & Physical Properties. No . Lone Pair(s) on the Central Atom. . . Molecular Geometry of Molecules with Lone Pair(s) on the Central Atom. . . Carbon Dioxide and Water. CO. 2. H. 2. O. . . Dipole Moments and Structure. Jennie L. Borders. Section 8.1 – Molecular Compounds. A . covalent bond. is formed between atoms held together by . sharing. electrons.. A . molecule. is a group of atoms joined by . covalent bonds. College . of Education . Salahaddin. . University. Kirkuk . Road . Erbil-Iraq . Tel. .: . 07504095454. Research . Fellow. . Manchester Fungal Infection Group . The . University of Manchester . Institute . Unit II: Gas-filled detectors. CLRS 321. Nuclear Medicine Physics and Instrumentation 1. Objectives. (Mostly from your text). Distinguish . between covalent and delocalized molecular bonding, and briefly describe the electrical conductivity of insulators, conductors, and semiconductors.. CONDENSED . PHASE?. E. . Arunan. Department of Inorganic and Physical Chemistry. Indian Institute of Science. Bangalore. 560012. IYCr. Summit Meeting, University of Karachi,. April 28-May 1, 2014. ACKNOWLEDGEMENTS. Elizabeth Bess. University of Utah. Non-covalent interactions with Pi systems. Overview: . Non-covalent interactions are the underpinnings of chemical selectivity, molecular recognition, and supramolecular molecules’ tertiary structure (e.g., enzymes and DNA). These through-space, rather than through-bond, interactions arise from attractions between oppositely and fully or partially charged species. One such class of non-covalent interactions are the intermolecular interactions of pi systems with other pi systems or charged species. .