Study Guide for Exam 1
Study Guide for Exam 1 Chem 111-21
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CHEM 2311 P1
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This 5 page Study Guide was uploaded by Anastasia Keelor on Friday September 18, 2015. The Study Guide belongs to Chem 111-21 at Ball State University taught by Dr. Tye in Summer 2015. Since its upload, it has received 52 views. For similar materials see General Chemistry 1 in Chemistry at Ball State University.
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Date Created: 09/18/15
Study Guide for Exam 1 Chapter 1 0 Name the first twenty elements and their symbols HydrogenH HeliumHe LithiumLi BerylliumBe BoronB CarbonC NitrogenN OxygenO FluorineF NeonNe SodiumNa MagnesiumMg AluminumAl SilliconSi PhosphorusP SulfurS ChlorineCl ArgonAr PotassiumK CalciumCa 0 Names and Chemical Formulas for the following Ions you need to know Fluoride Ion F Chloride Ion Cl Bromide Ion Br Iodide Ion 1 Hydroxide Ion OH Cyanide Ion CN Ammonium Ion NH4 0 Names and Chemical formulas of acids you need to know 0 Hydro uoric Acid HF O Hydrochloric Acid HCl 0 Hydrobromic Acid HBr O Hydroiodic Acid HI 0 Mixture A material system made up of two or more different substances which are mixed but are not combined chemically OOOOOOOOOOOOOOOOOOOO 0000000 0 Pure substance A material that is composed of only one type of particle Such as gold 0 Element A substance that cannot be broken down into simpler substances by chemical means 0 Compound A substance formed when two or more chemical elements are chemically bonded together I Homogenous Mixture A mixture which has uniform composition and properties throughout Example Air I Heterogeneous mixture Any mixture that is not uniform in composition It s a non uniform mixture of smaller constituent parts I Sigfigs Practice 0 How many Significant Figures are in the following numbers 0 I 24632 5 significant figures I 107854 6 significant figures I 1003 4 significant figures I 678 3 significant figures I 1008 4 significant figures I 000340 3 significant figures I 14600 5 significant figures I 00001 1 significant figure I 700000 1 significant figure I 350670 6 significant figures I 10000 5 significant figures I 320001 6 significant figures Calculate the answers to the appropriate amount of sigfigs I 32567135014567 1690 I 24624238278983 5828 I 6580235478134529 20268 I 23738 90 I 457625 11 I 8104001081 I 647645 417 I 4367864 l 28010quot3 I 1678042 40 I 28367374 758 I 4278 1006 4252 I DensityMassVolume Chapter 2 0 Elements 2138 0 00000000 ScandiumSc Titanium Ti Vanadium V Chromium Cr Manganese Mn Iron Fe Cobalt Co Nickel Ni Copper Cu Zinc Zn Gallium Ga Germanium Ge Arsenic As Selenium Se Bromine Br Krypton Kr Rubidium Rb Strontium Sr OOOOOOOOO Names and chemical formulas of ions Chlorate Ion C103 Nitrate Ion N03 Sulfate Ion 8042 Carbonate Ion CO32 Phosphate Ion PO43 Names and Chemical formulas of acids 0 Chloric Acid HClO3 O Nitric Acid HNO3 O Sulfuric Acid H2804 0 Phosphoric Acid H3PO4 Memorize the charges for the following Cations 00000 O Ag O Zn2 o Cd2 o A13 Be able to identify something as an element or a compound 0 Au Element 0 C02 Compound 0 SS Compound 0 PH3Compound To calculate the average atomic weight of an element each exact atomic weight is multiplied by its percent abundanceEXpressed as a decimal Then add the results together and round off to the appropriate number of sigfigs 0 Example Carbon s average atomic mass I 12000000989013003355011012011 amu 0 Periodic Table 1l 2 3 4 5 6 7 8 9 1l 0 1l 1l 1l 2 1l 3 1l 4 1l 5 1l 6 1l 7 1l 8 Atomic Solid Metals 3 m a a Gas m 1 llJnknown ActInOIds V V 226 227 2 Fe 0 39M Cohan aim maltHui Ru Rh mm 10101 mam i 3976 77 I E z z a 1912 21217 1105 106 1107 103 5109 In In In 393 W In E Db g 39 E Bh 3 H5 g Mt g 39g mquot 39 Saabruin 39 am I Hm I 5 For elements with no stable isotopes the mass number of the isotope with the longest half life is in parentheses Design and Interface Copyright 1997 Michael Dayah umichaeldayahcom htilpiIr l39W39wil39Iritahletomlr 5 59 60 61l 62 83 564 65 66 67 5 m I I I I I I I I I I I Ce Pr a d Pm uSm aEu IiGd Tb zIZIly 1H0 aEr aTm s Yb H I 2 P If 5 z r 6 z D 7 El 2 7 141115 mamas 144242 115 15136 15151 155 158 1R5 1M531132 15738 585321 173151 Ii 9 92 IE 93 9quot 95 f 96 97 IE 93 99 IE 10 0 IE 02 2 Th e Pa 3 U s Np g Pu 3 Am 3 Cm g Bk 3 Cf ES 3 Firm 2 Md 3 No mgnmiun gamenzuaiun gmgmgmgm gunmenn 39 gmmg mim gunningmg 0 22m 2 mm 3 7 2 44 243 247 I247 25quot 252 27 258 259 0 NonmetalNonmetalMolecular 0 MetalloidNonmetalMolecular 0 One exception is NH4 nonmetalsIonic 0 MetalNonmetals Ionic 0 MetalMetalIonic 0 Naming Compounds 0 Does the compound contain a metal I No 0 The compound is covalent use the prefixes I Yes 0 Is the metal a transition metal 0 Yes I Use roman numerals to indicate the charge of the metal 0 No I Don t use roman numerals or prefixes Chapter 3 0 Know the following names and chemical formulas of ions Nitrate Ion N03 Nitrite Ion N02 Sulfate IonSO42 Sulfite Ion SO32 Phosphate Ion P043 Phosphite Ion P03 3 Perchlorate Ion C104 1 Chlorate Ion C103 1 Chlorite Ion C102 1 Hypochlorite Ion C10 1 0 Know the names and chemical formulas of acids 0 Perchloric acid HC104 O Chloric Acid HC103 O Chlorous Acid HC102 O Hypochlorous Acid HC10 0 Avogardo s number 602210quot23 moleculesmoles I Conversions 0 From a given density I Example 786g CH30H1 mL CH30H O Avogardo s NUMBER I 60210quot23 Moleculesl mole of substance 0 Stoichiometry I 1 mol of substance moles of particular element in substance 0 From Molar mass I Molar mass of the compoundone mole of compound OOOOOOOOOO
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