Chem 2045 test 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Maxwell | Theory of EM waves
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| Thomson | Plum pudding model
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| Bohr | Planetary model
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| Lenard | Studied the photoelectric effect
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| Hertz | Discovered the photoelectric effect
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| Heisenberg | Uncertainty principle
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| Debroglie | Proposed matter waves
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| Sommerfield | Elliptical orbits in Bohr model
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| Schroedinger | Wave mechanics
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| Foucault | Speed of light in air> water
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| Becquerel | Discovered radioactivity
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| Davisson, Germer | Exp. confirmed wave side of electron
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| Newton | Earliest particles theory of light
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| Einstein | Explained the photoelectric effect
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| Huygens | Earliest wave theory of light
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| Planck | Introduced the idea of Quanta
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| Pauli | Exclusion principle
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| Dirac | Most abstract quantum theory
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| Rutherford | Nuclear model of the atom
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| Young | Interference of light
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| 1st E.A. | Energy change when a gaseous atom gains an electron
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| Quantum stability | Half and completely filled sublevels are extra stable
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| Dispersion | Different λ bend at different angles
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| Metastable state | Excited state with long lifetime
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| Wavelength | Peak to peak distance in a wave
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| Phosphorescence | Absorption of high energy with a delayed release of lower energy
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| Quantum | Particles of energy
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| Fluoresence | Absorption of high energy followed by immediate release of lower energy
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| Frequency | # waves passing a given pt in one S
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| Relativistic effect | Energy change when a gaseous atom gains an electron
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| Ground state | All e- are in lowest possible energy level
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| Valence e- | S and P electrons in the outer level
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| Isoelectonic | Having the same e- configurations
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| Ionization energy | Energy required to remove outer e-
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| Excited state | One or more e- are not in the lowest possible energy level
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| Order of discovery | e-, p, n
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| Gold Foil experiment | 1. Alpha particles were shot into a gold foil
2. Results were not exactly as expected
3. It was performed in 1909
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| Discovered by Newton | Continuous Spectrum
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| Magnetic splitting of spectral lines | Zeeman effect
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| Planck's quantum idea | Used to explain blackbody radiation
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| Einstein's explanation of the photoelectric effect | Extended the quantum idea to all forms of energy
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| Bohr principle of complementarity states | Light sometimes behaves as a wave, sometimes as a particle, but never both at the same time
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| Original Bohr model | The electron can jump from one orbit to another
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| The fully modified Bohr model failed in which way? | Did not work for multi electron atoms
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| The fully modified Bohr model included | 1. 4 quantum numbers
2. Selection rules
3.Elliptical orbits
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| Heisenberg uncertainty principle | Allows for violation of matter energy conservation
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| For quantum teleportation to occur | An end-run must be done around the uncertainty principle
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| The modern picture of empty space is that it | Exists as a quantum foam
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| Have the smallest I.E. value | Na 1+
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| The 1st I.E. of P is abnormally large because | P has half filled p sublevel
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| Einstein was against Bohr's interpretation of quantum theory for each of the following reasons | 1. "God does not play dice with the universe"
2. Was against copenhagen interpretation
3. Quantum theory is incomplete are hidden variables
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| In a many electron atom, n determines what about an orbital | Energy and size
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| In a many electron atom what does, I, the orbital quantum #, determine about an orbital | Energy and shape
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| The max # of electron in the n=3 level is | 18
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| The max# of electron in the I=3 sublevel is | 14
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| Configuration of Cu | 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^1, 3d^10
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| In a many electron atom, n determines what about an orbital | Energy and size
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| In a many electron atom, n determines what about an orbital | Energy and size
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| In a many electron atom what does, I, the orbital quantum #, determine about an orbital | Energy and shape
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| The max # of electron in the n=3 level is | 18
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| The max# of electron in the I=3 sublevel is | 14
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| Configuration of Cu | 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^1, 3d^10
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| Which is true concerning the n+1 rule in determining the sublevel with the lower energy | It will have lower n+I value and If n+I values are equal then it will have lower n value
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| Belongs to the Lyman series | 4->1
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| Compare Sr, Vs, Ca As to metallic nature | Sr is more metallic
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| Interpretation of the quantum theory that involves multiple universes | Many Worlds
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| Even though atomic size gradually decreases across a period for transition elements, Hg is actually larger than Os because | 1. Expansion of 5d orbital
2.e- repulsions
3.Relativistic effects
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| Densest element | Osmium
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| The unusual properties of gold can be explained by | The Relativistic effect
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| Not an unusual property of gold | Highly reactive
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| Not one of the coinage metals | Cr
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| Pair of metals have an abnormal yellow color | Cu, Au
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| Correct short form configuration 77 Ir | [Xe] 6s^2 4f^14 5d^7
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| Correct short form configuration for 97 Bk | [Rn] 7s^2 5f^8 6d^1
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| Correct electron configuration of 62 Sm | 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^10, 4p^6, 5s^2, 4d^10, 5p^6, 6s^2, 4f^5, 5d^1
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