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UCR - CHEM 001A - Chemistry 1A, CH4-6 Study Guide - Study Guide

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UCR - CHEM 001A - Chemistry 1A, CH4-6 Study Guide - Study Guide

School: University of California Riverside
Department: Chemistry
Course: General Chemistry
Professor: Hill Harman
Term: Fall 2018
Tags: Chemistry
Name: Chemistry 1A, CH4-6 Study Guide
Description: This study guide goes over key terms, concepts, and gives examples of how they work from topics throughout chapters 4-6.
Uploaded: 11/14/2018
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Join more than 18,000+ college students at University of California Riverside who use StudySoup to get ahead
School: University of California Riverside
Department: Chemistry
Course: General Chemistry
Professor: Hill Harman
Term: Fall 2018
Tags: Chemistry
Name: Chemistry 1A, CH4-6 Study Guide
Description: This study guide goes over key terms, concepts, and gives examples of how they work from topics throughout chapters 4-6.
Uploaded: 11/14/2018
3 Pages 121 Views 96 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!

Unformatted text preview: Studis Guide Ch.4 Covalent vs Ionic Bonding -Covalent bonds usually between nonmetals or atoms with similar electronegativities share electrons tonic bonds usually between metals and nonmetals .electrons are transfered from one atom to another generates two oppositely charged ions 3 metals tend to lose electrons and become cations > nonmetal gains the electron and becomes anion 2. Naming Compounds and Waiting Fomulas Binary Ionic Compounds of Main Group Elements most have a cation formed by a group to 200 13 element and an anion formed by a group 15-17 element two rules for naming: 1. Erst word is name of cation II. Second word is name of anion, with ending changed to -ide . keep the positive and negative changes in balance > Potassium bromide => Kt, Br - KBC Sodium Sulhide >> Nat, 32 => Na, S - Binary Tonic compounds of Transition Metals add a Roman numeral after the name of transition metal to indicate positive charge on metal's con > copper(I)oxide => Cul scopper(I)oxide => Cuyo - Polyatomid Fons Xoanions > polyatomic anions containing oxygen in combination with one or more other elementsLOG > most have a name based on the name of the element that appears first in the formula, with ending changed to either ite or tale <-ale has one more oxygen than -ite csou Sulfate, Soz Sulfite > some elements form more than two oxoanions. (prefix hypo- means one less oxygen - means one more oxueen < Cloi perchlorate Clos chlorate CLO: chlorite cho huperchlorite - Binary Molecular compounds tuo nenmetals combined, to name: I. First word is name of first element in formula I Second worcl. change ending of name in second 1. use prefixes to indicate number of atoms of each > 302=>sulfer dioxide > N20 => dimitrogen monoxide - Binary Acids .Contain hydrogen and a mondatomic anion (eg CliS . most common bimary acids contain halogens , cl, etc.) I. Add prefix h dro- to name of second element in the formula 0 L. Replace last syllable in the second element's name with -ic followed by the word acid HBC => hydrobramic acid - Oxoacids are oxoanions that have bonded to Htions are neutral type in the moleculeends in -ic sit oxoanion name ends in ate, the corresponding acid sif oxoanion name ends in ite, the acid ends in-ous <CLO = hypochlorite => HCLO - hupochlorous acid S. Lewis Structures <CLO4 = perchlorate => HCLO4 = perchloric acid From tnawng the valence electrons of elements we can drawib Lewis structure and see how bonding works I. Determine total number of valence ectrons II. Arrange the elements to show how their atoms are bonded together and then connect them with single bonds L. Complete the octets of all atoms bonded to the central atom by adding tone pairs of electrons. N. Compare number of valence electrons in the Lewis structure to the number determined in step! 1. Complete the octet on the central atom Because this structure can be drawn with the double bond the other side there is resonance . Ditferent resonance structures can have different formal charge -calculating formal charge El number of number of Il number of 17 valence electrons) in tone pairs + 2 (Shared e l

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