PPT-Structure and Bonding of Carbon and Silicon

Topic 429 4210 2 characteristics some elements from group 4 are giant molecules carbon and silicon insoluble in almost all solvents h igh melting and boiling points Carbon allotropes . Nanotubes. (SWNT) . Nan Zheng. . Solid State II. Instructor: Elbio Dagotto. Spring 2008. Department of Physics . University of Tennessee. 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. 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. C2- Chemistry. Covalent bonds, covalent structures, metals, . nanoscience. This is the . transfer. of electrons between atoms. . The atoms become ions because they have lost or gained electrons.. Ionic Bonding. (Or giant covalent structures). Allotropes. : different forms of the same element.. Carbon has several allotropes – the best known being diamond and graphite. Structure of part of a diamond molecule. . 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 . nanocrystals. doped with P, Li, S. N.V. . Derbeneva. , . V.A. . Burdov. Lobachevsky. State University of Nizhniy Novgorod. Published data . by other authors . on . radiative. recombination lifetimes. Polymers are made of connected monomer subunits that are joined by what type of bonds?. ionic bonds. covalent bonds . hydrogen bonds. hydrophobic bonds. Polymers are made of connected monomer subunits that are joined by what type of bonds?. 11-2. The double bond consists of sigma and pi components.. Ethene is planar. It contains two trigonal carbon atoms having bond angles close to 120. o. . . The hybridization of the carbon atoms is best described as sp. Chp. . 22 . pg. . 668. A. . Abundance and Importance of Carbon. Structure and bonding of carbon. Has nonmetallic properties. Electron configuration of 1s. 2. 2s. 2. 2p. 2. 4 valence electrons – 2s and 2p 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. Comparing . Crystal . Structures . to . Visible . Mineral Properties. Silicon, Silicates, Silicones . How . to Tell the . Difference. Silicon. :. O. ne of . 92. . naturally . occurring . chemical . Introduction:-. Electronics without silicon is unbelievable, but it will come true with evolution of diamond or carbon chip. . Silicon disadvantages:- . >bulk in size. >slow operating speed. Ionic bonds form a . giant lattice structure. Sodium chloride is an ionic compound formed by the reaction between the metal sodium and the non-metal chlorine.. During the reaction, one electron is transferred from each sodium atom to each chlorine atom..