Part B-2 Ionic Radius Versus Atomic Number

Base your answers to questions 55 through 59 on the information below. 2 elen1ents are given in the tаЫе below. The ionic radii of some Part:В-2 Ве Answer all questions in this part. Atomlc Number Mg 4 Directions (51-65): Record your answers in the spaces provided in your answer hooklet. Some тау require the use of the Reference ТаЫеs fo1· Physical Setting!Chem:istnJ, 51 Explain, in terms nf ......ntnм of uranium. [1] 44 lonlc Radius (pm) Тhе bright-line spectra for three eleшents and ;а mixture of elements are shown below. Jithium cadmium strontium i 1 750 Brlght-Line Spectra 1 1 1 1 11 1 1 1 11 1 1 700 1 650 1 600 1 550 Wavelength (nm) 52 Explain, in terms of both electrons and energy, how the bright-line spectrum of an ' element is produced. [1-] 53 Identify all the elements in tl1e mixture.. [1] 54 State the total numher of valence electrons in а caцmium atom in the ground state. 1 10 20 30 Atomic Number 50 55 On the grid in your answer booklet·, mark an appropriate scale on the axis labeled "Iontc Radius (pm)." [1] 56 On the same grid, 57 Estimate ' sв State the data from the data tаЫе. Circle �dconnect the points. of strontium. [1] l- ionic radius increasine: atomic nщnber. [1] 59 Explain, in its atomic. radius. [1] 1\ } _, :us of а Group 2 element is smaller than 60 answers to questions 60 and 61 on the information helow. Tl1e hala11ced equation helow represents the decomposition of potassium �hlorate. PartC 2KCI03(s) - 2KCl(s) + 302(g) 60 Deterшine the oxidation nшn1Jer Answer alI questions ш this part. the reactant in the equation. [1] Directions (66-85): Record your answers in the spaces provided in your answer booklet. Some questions may require the use of the Reference Tahlesfor Phy_sical, Setting!Chemistry. Base your answers to questions 66 through 68 on the information below. Ozone, 03(g), is produced_ from oxygen, Oz(g), Ьу electrical discharge during thunder­ storms. Тhе unbalanced equation below· represents the reaction that forms ozone. Base yo_u At 550°С, 1.00 mole of CO2(g) and 1.00 mole of H2(g) are placed in а 1.00-liter reaction vessel. Т11е substances l'eact to form CO(g) and H2O(g). Changes in the concentrations of the reactants and the concentrations of the products are shown in the graph below. Concentrations of Reactants and Products 1.00 :J' :::::. с u с О) О ' 0.73 -� Reactant 0.50 1 0.27 1 1 1 1 1 66 Balance the equation in your aмwer booklet for the production of ozone, using the sinallest whole-nшnher coefficients. [1J l ro \Сt.Г - 1 qo(g) ОГ H20(9i) -� t. in�\til io. LoJ . l 1_ Qc,u \о l� f1" v DataTaЫe [1] Component of Natural Gas � of the reac�ts and grapБ3about the concentrations the concentrations of the products between time t1 and time t2? [1] 63 vVhat can he concluded from rе_ (V\__O,_'1 �'- t,o (\.So�� L\.. У\'·\- ваsе your answers to questions 64 and 65 on the information _helow. ' А reaction hetwet'n bro1nine and а hydrocarbon is represented hy the balanced Br2 + ;;}.. Natural gas is а mixture that includes butane, ethane, methane, and propane. Differences in hoiling в,о_inц, can Ье used to separate the components of natural gas. The hoiling points at standard pressure for these ёomi,one11ts Ш"е hstea in ffie tаЫе Ье1оw. t2 62 Detennine the cl1oge in the c011centr. on of со(:) be;)e н н 1 1 н-с=с-с-н ____,.,.. 1 1 н н electrictty Base your answers to questions 69 and 70 on the information below. Time equation helow. O3(g) • . g etween -lolecшe. g{р. ) �----atoms 1n O( __ .____Оз(g • .an Ol)1!0D [1] 67 Identify tl1i;type of hondin )· _ o 68 Explain, in terms oreleevon configш'lltion, why an oxyg�n molecwe}s more stal,Тe than an oxygen atam.. r11 1 . �_ � �с 1 t1 electrtctty Oz(g) н н н 1 1 1 н-с1 ..;.. с-с-н 1 1 Вг Br Н 64 Identify the type of organic reaction. [1] 65 vVrite tl1e name of the homologous series to which tl1e hydrocarbon belongs. [1] Boiling Point at Standard Pressure (ОС) butane -0.5 ethane -88.6 methane -16.1.6 рrорапе -42.1 69 Identify а process use� t separate the coiypa.,nerits of na� gas. L.LJ � . - Weakest intermolecular forces Stron est intermolecular forces g D·, l�-f' } l 0\-'' O_r\. _ . 70 List thefour components of natural gas in order of increasing strength of intermolecular forces. (1.J R] Base your answers to questions 77 tl1rough 79 on the information below. Base your answers to questions 71 through 73 on the information helow. In 1864, the Solvay process was developed to make soda ash. One step in the process is represented hy the halanced equation helow. NaCl + �+ СО2 + Н2O - NаНСО3 + NH4Cl 2AI(s) + 3CuCl2(aq) -+ ЗCu(s) + 2AICI3(aq) + energy 71 vVrite the c11emicaI fonnula for one comi:>ound in bonds and cqvalent bonds. (1] The procedures 72 Explain, in terms of electronegativity differe�ce, why the Ъond between bydrogen and oxygen in а water molecule is more poiar than the Ъond Ъetween bydrogen and nitro�n in an ammonia molecule. ,,_ Е. tJ t-o с н- f\\ \ . 73 In the space your answer booklet, draw а Lewis elecitron-dot diagram reactant containing nitrogen in the equation. [1] Base your answers to questions 74 through 76 on the information below. 0 А student prepared two m.ixtures, each in а laheled beaker. Enough w�r at 20. С was used to make 100 milliliters of each mixture. lnformation abo1.1t Two Mixtures at 20.0С Composition Mlxture 1 NaCI in Н2O Mlxture 2 Fe filings in Н2O Student Observations • color less liquid • по visiЫe solid оп bottom of beaker • colorless liquid • Ыасk solid оп bottom of beaker Other Data • mass of NaCl(s) dissolved = 2.9 g • mass of Fe{s) = 15.9 g • density of Fe(s) = 7.87 g/cm3 74 Classify each mixture using the term "homogeneous" or the term "heterogeneous." [1J Mixture 1: --1"--'-�:...:...�..Ji,..,.L Mixture.2: , , �,,. \ '-:, '> 1 75 Det�rmine the volume of the Fe fllings used to produce mixture .2. [1J 76 Describe а procedure to physically remove the water from mixture 1. [1] �\ А student performed а laboratory activity to observe the reaction between aluminum foil and an aqueous сорреr(П) cbloride solution. Тhе reaction is • represented Ьу the balanced equation below. and corresponding ohservations for the activities are given helow. Procedure Observatl_on ln а beaker, completely dissolve 1 • Тhё solution is Ыuе green. 5.00 g of CuCl2 in ВО.О mL of Н20. Cut 1.5 g of Al(s) foil into small pieces. Add all the fo,il to the mixture in the beaker. Stir the contents for 1 minute. • Тhе surface of Al(s) foil appears partially Ыасk. • Тhе beaker feels warm to the touch. Observe the beaker and contents after 10 • The /iquid in the beaker appears -вeюrtess:• А reddish-brown solid 1s seen at the-bottom of tbe beaker • Some pieces of Al(s) with а partial/y Ыасk coating remain in the beaker. Base your answers to questions 80 tl1rough 82 on the information helow. [у_ � Soine carhoriated heverages are inade Ьу forcing carbon dioxide gas into а heverage solution. vVhen а hottle of one kind of carhonated beverage i!J first opened, the heverage has а рН value of З. 9 \,\ -u�\o\.,Q' in а solution same pH 1 An orbltal is а high probaЬility (1) а proton (2) а positron \ \ � vY\o 82 After the beverage bottle is left open in the heverage soluti�n de�es to 10�� • 83 State опе heneficial use of Ро-210. [1r • � ft-,.\-"- �\о.\ '"i �(" 84 Coшplete the nuclear equation iii your answer booklet for tl1e decay of Ро-210, hy writing а notation for tl1e missing product. [1] 2 §�Ро - �Не + п сг ,- 1 5�crc �swer an questions in tbls part.. 6 Тhе valence electrons of а germanium atom in (3) а neutron (4) an electron 11) . the ground state are located in the (З) third shell (1) first shell (2) second shell (4) fourth shell 2 "\-Vhich statement matches а suhatomic particle with its charge? (1) А neutron has а negative charge. (2) А proton has а negative-charge. (З) А neutron Ь.аs no charge. { 4) А proton has no charge. 7 The elements on the Periodic Tahle are arranged in order of increasing (1) atomic mass (2) atomic number (3) first ionization energy (4) selected oxidation state 3 An atom .,,.,,., ..i,..rn ...nt- must contain (1) an equal numbe:r of protons and neutrons (2) an equal numbe:r of protons and electrons (З) more electrons than. neutrons (4) more electrons than protons 8 Which · list of elements contains а metal, а metalloid, а nonmetal, and а nоЫе gas? (1) Ве, Si, Cl, Кr (3) К, Fe, В, F (2) С, N, Ne, Ar· (4) Na, Zn, As, Sb 4 vVhicl1 statement compares the шasses of two suhatoшic particles? (1) The шass of an electron is greater than the mass of а proton. (2) The mass of an electron is greater tl1an the mass of а neutron. (3) The mass of а proton is weater than the mass of an electron.. (4) The mass of а .proton is greater than the mass of а neutron. 85 Determine the total mass of an original 28.0-milligram sample of Ро-210 that remains unchanged after 414 days. [1] /()fd PartA Dtrections (1-30): For each statement or question, write in your answer booklet the numher of the word or expression that, of those given, best completes the statement or answers the question. Some questions may require the use of tl1e Reference ТаЫеs for Physical Setting!Chemistry . 80 State, in terms of фе р� scale, why this beverage is classified as acidic. 81 Using ТаЫе М, identify one indicator tl1at value as this beverage. [1] � I 5 The bright-line spectrum of sodium is produced when energy is (1) aЬsorbed as electrons move from higher to lower electron shells (2) absorbed as electrons move from lower to higher electron sl1ells (3) released as electrons move from higher to lower electron shells ( 4) released as electrons move from lower to higher electron shells 9 The two forms of oxygen, 02(g) and 03(g), have • (1) different molecular structures and identical properties (2) different molecular structures and different properties (3) identical molecular structures and identical properties (4) identical molecular structures and different properties 10 The sum of the atomic masses of the atoms in one molecule of C3H6Br2 is called the (1) formula mass (2) isotopic mass (З) percent abundance (4) percent composition • 11 What is the ·total number of electron pairs �hared between the two atoms in an 02 molecule? (1) 1 (З) 6 (2) 2 (4) 4