Chapter01SolutionsManual - Chapter 1 Electrons Bonds and...

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Chapter 1 Electrons, Bonds and Molecular Properties Review of Concepts Fill in the blanks below. To verify that your answers are correct, look in your textbook at the end of Chapter 1. Each of the sentences below appears verbatim in the section entitled Review of Concepts and Vocabulary . _____________ isomers share the same molecular formula but have different connectivity of atoms and different physical properties. Second-row elements generally obey the _______ rule , bonding to achieve noble gas electron configuration. A pair of unshared electrons is called a ______________. A formal charge occurs when an atom does not exhibit the appropriate number of ___________________________. An atomic orbital is a region of space associated with ____________________, while a molecular orbital is a region of space associated with _______________. Methane’s tetrahedral geometry can be explained using four degenerate _____- hybridized orbitals to achieve its four single bonds. Ethylene’s planar geometry can be explained using three degenerate _____- hybridized orbitals . Acetylene’s linear geometry is achieved via _____- hybridized carbon atoms. The geometry of small compounds can be predicted using valence shell electron pair repulsion ( VSEPR ) theory, which focuses on the number of _______ bonds and _______________ exhibited by each atom. The physical properties of compounds are determined by __________________ forces, the attractive forces between molecules. London dispersion forces result from the interaction between transient __________________ and are stronger for larger alkanes due to their larger surface area and ability to accommodate more interactions. Review of Skills Fill in the blanks and empty boxes below. To verify that your answers are correct, look in your textbook at the end of Chapter 1. The answers appear in the section entitled SkillBuilder Review . SkillBuilder 1.1 Determining the Constitution of Small Molecules STEP 1 - DETERMINE THE VALENCY (NUMBER OF EXPECTED BONDS) FOR EACH ATOM IN C 2 H 5 Cl STEP 2 - DRAW THE STRUCTURE OF C 2 H 5 Cl BY PLACING ATOMS WITH THE HIGHEST VALENCY AT THE CENTER, AND PLACING MONOVALENT ATOMS AT THE PERIPHERY Each carbon atom is expected to form ___ bonds. Each hydrogen atom is expected to form ___ bonds. The chlorine atom is expected to form ___ bonds.
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2 CHAPTER 1 SkillBuilder 1.2 Drawing the Lewis Dot Structure of an Atom STEP 1 - DETERMINE THE NUMBER OF VALENCE ELECTRONS STEP 2 - PLACE ONE ELECTRON BY ITSELF ON EACH SIDE OF THE ATOM STEP 3 - IF THE ATOM HAS MORE THAN FOUR VALENCE ELECTRONS, PAIR THE REMAINING ELECTRONS WITH THE ELECTRONS ALREADY DRAWN Nitrogen is in Group ___ of the periodic table, and is expected to have ___ valence electrons. SkillBuilder 1.3
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  • Fall '11
  • RAHMAN
  • Atom, Electron, Mole, Chemical bond, carbon atoms, H H C H H H H H H C C C C H H H C H C H H C H H H H C H H H C H H H H H H H C C C C C H H H C H C H H H C C H H H H H C H H H H H H H H C C C C C C H H H C H H H C H H H C H H C H H C H H C C H H H C H H H H C C C H H H H H H H C C H H C H H H C H H C H H

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Chapter01SolutionsManual - Chapter 1 Electrons Bonds and...

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