PPT-Electrons and chemical bonding

Bell work for November 25 2018 DirectionsMany Scientific words such as bond also have everyday meanings Use context clues to write your own definition for each meaning of the word bond . 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.. Metals. Look at the Periodic Table…. 75% of elements are metals!. Metals. They can vary a lot…. General Properties of Metals. Dense. Malleable. Ductile. Good conductors of heat and electricity. Shiny Lustre. Ch. 5 Summary. The protons determines the type of element, while the electrons determine the . reactivity. of the element. If the protons and electrons are the same, it is neutral. All atoms would rather be . This topic will be investigated under five main headings:. Chemical Compounds. . Ionic Bonding. . Covalent Bonding. Electronegativity. . Shape of Molecules and Intermolecular forces. Chemical Compounds. . 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 . 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. . Higher Supported Study - Week 2 . Key Areas – Periodic Trends . The trends in . covalent radius . across periods and down groups.. The trends in . ionisation energies . across periods and down groups. . Chemical bonding. Chemical Bonding. Diamond. Silicon dioxide. Graphite. Ionic Bond / metallic bond / covalent bond. Nature of the bond. Physical properties . Melting point / boiling point. Electrical conductivity. The Glue That Holds Minerals Together . GLY . 4200 – Fall. , 2016. 2. Types of Bonds. Intramolecular. Ionic. Covalent. Metallic. Intermolecular. Hydrogen. Van der Waals. 3. Definition of Bonding. A chemical bond is an attraction between atoms brought about by:. 4.4.1: Describe the metallic bond as the electrostatic attraction between a lattice of positive ions and delocalized ions. . 4.4.2. : Explain the electrical conductivity and malleability of metals. . SNC2D – Academic Science. Learning Goals. Use . Lewis dot diagrams to illustrate how a compound forms between a metal and a . non-metal.. Ions are formed when electrons are gained or lost. Where do electrons that are lost go?. Types of Chemical Bonds. Ionic bonds. : attraction between positive and negative ions (e- are lost or gained. ). m. etal + nonmetal (K. 2. O). Covalent bonds. : . sharing. of electrons between two . PS21. Friday, January 27, 2017. Worst Taught Science Topics in Middle and High School Chemistry/Physical Science?. 1) Electronic structure (Bohr model) of the atom. 2) Eight electron rule for chemical bonding. Metallic Bond – the force that holds metal atoms together. Metals do not form covalent bonds with one another because they do not have enough electrons in their outer shells to form stable octets..