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SP21 Mock Exam 1 – Chp 1 - 2Good Luck!Just a reminder, don’t just use this mock exam for studying. This is a resource that will test your knowledge of what you already should know. Please, study note cards, chapter outlines, questions, ppts, and go to the SI Office Hours if you have questions. Useful Information: c= ν λ c = 2.998 x 108 msE = h?ν h = 6.626 x 10-34 J?sWho used the Cathode Ray Experiment in 1897 to prove the existence of electrons?Demetri MendeleevErnest RutherfordJJ ThomsonJohn DaltonJames ChadwickNiels Bohr2. Atoms areThe smallest unit in chemistryA substance entirely composed of one elementThe smallest unit that retains the chemical properties of an element.MatterAll of the above.3. Which of the following is an example of a molecule?KClMnH2ONaClSiF4True or False: Scientific method is the basis on which a scientific inquiry is conducted.Who proposed the plum pudding atomic diagram?Ernest RutherfordJ.J. ThomsonNiels BohrRobert Millikan John DaltonTrue or False: Law of Conservation of Mass states a given compound always contains exactly the same proportion of elements of mass.Which of the following is found in in the nucleus of an atom?Proton and NeutronProton and ElectronNeutron and ElectronNucleus and ElectronProton, Neutron, and Electron________ _______ was responsible for discovering for protons in 1911 using the Gold Foil experiment.JJ ThomsonErnest RutherfordDemetri MendeleevJohn DaltonJames ChadwickNiels BohrAn element has the form 88226X. What element is represented by “X”?CGeURaYThe atomic number represents the number of _______, while the mass number equals the number of _______ plus ______.Electrons – Neutrons – ProtonsNeutrons – Electrons – ProtonsProtons – Neutrons – ElectronsProtons – Neutrons – ProtonsWho came up with the Atomic Theory in the first decade of the 10th century that includes four postulates about atoms and elements?Ernest RutherfordNiels BohrJohn DaltonJJ ThomsonDemetri MendeleevJoseph Gay-LussacWhat element is defined by the following information: Protons = 20, Neutrons = 20, Electrons = 20?ThalliumStrontiumSleniumSiliconScandiumIdentify a cation:An atom that has lost an electronAn atom that has gained an electronAn atom that has lost a protonAn atom that has gained a protonWhich of the following is NOT a Main-Group (Representative) element?LithiumMagnesiumGoldArsenicChlorineFrom the box below, there are three species (atoms and ions), I, II, III. Identify the atom or ion: I: __ II:__ III: __AtomProtonsNeutronsElectronsI131410II182218III88101327Al- ; 1840Ar ; 816O+1327Al-2 ; 1840Ar ; 816O-21327Al+2 ; 1840Ar ; 816O-1327Al- ; 1840Ar ; 816O-1327Al+3 ; 1840Ar ; 816O-2The frequency of a photon is 5.80 x 10-14Hz. What is the wavelength of this photon?9.22 x 109 nm517 nm1.74 x 1023 m112 nmWhich statement is not correct related to the Bohr Model?Electrons transition between allowed orbits in a quantized fashionThe energy levels of an atom are described by the quantum number n.The electron has the lowest amount of energy in the ground state.The energy of an orbital is inversely proportional to n2.EM radiation is emitted when an electron moves further away from the nucleus.Which of the following has the highest energy?X-raysMicrowavesInfrared WavesVisible lightUV raysHow are wavelengths and frequency related to each other?InverselyProportionallyThey both increase as energy increasesThey both decreases as energy increasesA and CB and DIron- 59 has __ protons, __ neutrons, __ electrons.P = 26, N = 30, E = 26P = 26, N = 33, E = 26P = 26, N = 32, E = 26P = 77, N = 59, E = 77P = 59, N = 77, E = 59Which of the following has the colors of light correctly ranked based on increasing wavelength?Red < Orange < Blue < PurpleOrange < Red < Blue < PurplePurple < Green < Orange < RedRed < Yellow < Green < BlueThe wavelength of light emitted from a traffic light having a frequency of 5.75 x 1014Hz is702 nm641 nm674 nm522 nm583 nmWhich of the following frequencies corresponds to light with the longest wavelength?3.00 x 1013Hz4.12 x 105Hz8.50 x 1020Hz9.12 x 1012Hz3.20 x 109HzCalculate the energy of the orange light emitted, per photon, by a neon sign with a frequency of 4.89 x 1014Hz3.09 x 10-19J6.14 x 10-19J3.24 x 10-19J1.63 x 10-19J5.11 x 10-19JWhich of the following transitions emits the longest wavelength photon?n = 14 n = 13n = 7 n = 5n = 6 n = 4n = 4 n = 2n = 1 n = 6Which of the following lists have the waves correctly ranked based on increasing frequency?Microwave < Visible Light < X-ray < Gamma RaysX-ray < Ultraviolet < Infrared < Gamma RaysRadio waves < Microwaves < Gamma Rays < X-rayInfrared < Microwaves < Ultraviolet < X-rayWhich of the following is the correct electron configuration of Germanium?1s22s22p63s23p64s23d121s22s22p63s23p21s22s22p63s23p64s23d104p21s22s22p63s23p64s24d104p2Which atom or ion is correctly represented by the electron configuration 1s22s22p63s23p64s23d104p65s24d105p6 ?KrBa+CdI-Rn+The correct electron configuration of rubidium is:1s22s22p63s23p64s23d104p65s11s22s22p63s23p64s23d104p65s24d6[Kr]5s1[Xe]5s1A and BA and CA and DWhat is the electron configuration for Ag?1s22s22p63s23p64s23d104p65s24d91s22s22p63s23p63d104s24p64d91s22s22p63s23p64s23d104p65s14d101s22s22p63s23p63d104s24p64d105s2Which quantum number describes the shape of orbital?Principal quantum numberAngular quantum numberMagnetic quantum numberSpin quantum numberThe magnetic quantum number describes ________.Shape of orbitalSpin of electronsSize and energy of the orbitalOrientation of the orbitalThe principal quantum numbers, ___, range from ___ to ___.ms, -12, 12n, 1, ∞1 , 0, ∞ml, -1, +1What is the maximum number of electrons in 4p?261014Which quantum number is directly related to the main energy level of the electron (it also correlated to the distance from the nucleus)?Principal Quantum Number (n)Angular Quantum Number (l)Magnetic Quantum Number (ml)Spin Quantum Number (ms)Which ground-state atom does the orbital diagram belong to?PhosphorusNitrogenFluorineChlorineWhich of the following photons has the highest energy?A photon with ν = 0.27 x 1013 HzA photon with λ = 82 x 10-4 mA photon with λ = 0.61 μmA photon with ν = 46.3 THzThe last electron to become part of an element has quantum numbers n = 5, l = 2, ml = 1, ms = +12. What is this element?MoAsWAgScHow much energy is released/fed when a hydrogen electron moves from shell two to shell seven (n = 2 n = 7)?5.01 x 10-19J-5.01 x 10-19J7.79 x 10-19J-7.79 x 10-19 JThe family of element that form exclusively +1 cations is called:The alkaline earth metalsThe halogensThe Nobel gasThe chalcogensThe alkali metals ................
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