Exam 1 Form B Key 1 D 2 C 3 A 4 C 5 D 6 D 7 D 8 C 9 C 10 E 11 C 12 A 13 A 14 D 15 D 16 A 17 E 18 C 19 B 20 A 21 C 22 A 23 35 p 44 no 36 e 24 a As 4p 25 a Sn 5s2 5p2 26 a How many grams of F are in a sample of B2F6 that also contains 0 455 moles of B 6 x 19 00 g F 0 455 mol B x 2 mol B b How many individual N atoms are in a sample of C4H4N2 that also contains 26 2 g of C 2 x 6 02 x 1023 N atoms 26 2 g C x 4 x 12 01 g C 27 P phosphorus 12 p 10 no 10 e 79 Br1 b Ca Ge 28 a Cu NO2 2 b NaMnO4 c ScI3 copper II nitrite sodium permanganate scandium III iodide 29 a titanium IV sulfate Ti SO4 2 c silver selenide 4s c W b Ti 4s2 3d2 germanium Ar b vanadium II chloride Ag2Se 22 Mg2 5d argon VCl2 1 Of the following experiments which one gives evidence for quantized energy levels A Thomson s cathode ray experiment B Millikan s oil drop experiment C Rutherford s gold foil experiment D atomic spectrum of hydrogen E mass spectrometry 2 Which of the following statements about levels and sublevels is NOT correct A The 2p sublevel can contain up to six electrons B The 4d sublevel can contain up to ten electrons C The 5s sublevel contains two orbitals D The n 4 level contains four sublevels E The n 3 level contains nine orbitals For the next two questions consider the following samples A 2 mol O B 6 x 1023 Si atoms C 3 x 1023 Ca atoms D 1 5 mol Ne 3 Which sample contains the greatest mass 4 Which sample contains the least mass 5 From the following list of orbitals select the highest energy orbital A 2p on O B 2p on B C 3p on Al D 3s on Na 6 Given the energy diagram at the right select the statement that is TRUE A X has the largest electron affinity B Y has the smallest electron affinity C Y has the smallest ionization energy D Z has largest ionization energy E none of these statements are true 7 Select the correct statement A protons and electrons are in the nucleus of an atom B protons and electrons are primarily responsible for the mass of an atom C protons and neutrons are responsible for the charge of an ion D an ion has an unequal number of protons and electrons 8 Which of the following chemical species would have the largest radius C K D K1 A Ca B Ca2 E 6 mol He For the next two questions consider the following samples A 18 g of Be B 59 g of Co C 40 g of Br D 1 5 mol Ti E 3 g of H 9 Which one contains the least number of atoms 10 Which one contains the greatest number of atoms 11 Which statement best describes the location of Ag on the periodic table A it is a metal in the same period as Cu B it is a non metal in the same group as Pd C it is a metal in the same group as Au D it is a non metal in the same period as Cd 12 Consider the following transitions in the Bohr model of the atom A n 2 n 4 B n 6 n 3 C n 3 n 5 D n 2 n 1 Which of these is the absorption process that requires the greatest energy For the next two questions consider the following scenarios A a 4 charge and a 1 charge at 2 units of distance apart B a 2 charge and a 0 charge at 3 units of distance apart C a 2 charge and a 1 charge at 2 units of distance apart D a 3 charge and a 1 charge at 2 units of distance apart E a 3 charge and a 2 charge at 4 units of distance apart 13 Which one is the lowest energy scenario 14 Which one is the highest energy scenario 15 Consider the following experiment where a sample of two different particles X and Y pass from a source through an electrical field Which of the following three statements is are consistent with the experiment I X is a 1 charge Y is a 1 charge and they are of equal mass II X is a 2 charge Y is a 2 charge and they are of equal mass III X is a 1 charge Y is a 2 charge and the mass of X is half the mass of Y A I only B II only C I and III D II and III E all three are consistent 16 How many of the compounds below are ionic CoS HBr H2O SOCl2 A one B two C three D all four E none of them 17 Select the bond with the greatest degree of covalent character A Al O B Al S C Ga O D Ga S E Si P 18 Infrared light has a wavelength of about 10 000 nm while X rays have a wavelength of about 1 nm Which of the following statements is true regarding these A Infrared light has the larger energy and the smaller frequency B Infrared light has the larger energy and the larger frequency C Infrared light has the smaller energy and the smaller frequency D Infrared light has the smaller energy and the larger frequency 19 From the following list of elements select the one with the largest ionization energy A As B Cl C Ga D K E Mg 20 Atoms with large electronegativities will generally have A small radii and low energy valence electrons B small radii and high energy valence electrons C large radii and low energy valence electrons D large radii and high energy valence electrons 20 Consider the following transitions in an atom I 3s 3p II 5s 4d Which correspond to emission of energy A I only B II only C III only III 4f 5p D II and III 22 From the following list of orbitals select the lowest energy orbital A 3s on Br B 3s on Al C 3s on Fe E none of them D 3s on K GO ON TO THE NEXT PAGE PLACE YOUR ANSWERS FOR 23 29 DIRECTLY ON THE NEXT PAGE 23 3 points each Write the symbols of the isotopes including charge and mass number that have 35 p 44 no 36 e 12 p 10 no 10 e 24 3 points each What is the highest occupied orbital in each of the following atoms a As b Ca c W 25 3 points each Write the valence electron configuration for the following atoms b Ti a Sn 26 5 points each SET …