Post on 11-Feb-2016
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1. 3302. 2.13. 1.94. 0.45. 590
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1. 32. 83. 44. 55. 6
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1. 0.282. 2.493. 1.134. 10.25. 0.20
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1. 2462. 6143. 3894. 1825. 1,451
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How fast is the electron moving in the fourth Bohr orbit?
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1. 1, 2, 32. 0, 1, 2, 3, 43. 0, 1, 24. 0, 1, 2, 35. 1, 2, 3, 4
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1. 502. 793. 524. 255. 8
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Which of the following statements is true?
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1. energy quantization2. magnetic orbital
quantization3. space quantization4. orbital angular momentum
quantization5. that particles behave like
waves
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1. no two atoms can have the same set of quantum numbers
2. when an atom has orbitals of equal energy, the order in which they are filled by electrons is such that a maximum number of electrons have unpaired spins
3. when an atom has orbitals of equal energy, the maximum number of electrons will be paired spins
4. no two electrons in the same atom can have the same set of quantum numbers
5. there is an inherent uncertainty in the position and momentum of a particle
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1. a photon has linear momentum
2. a photon has energy3. a photon has angular
momentum4. a photon has mass5. a photon has parity
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1. a maximum number of electrons has unpaired spins
2. a minimum number of electrons first fills the next energy level
3. a maximum number of electrons has intrinsic angular momentum
4. the minimum number of electrons has the same set of quantum numbers
5. a minimum number of electrons has unpaired spins
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1. the intrinsic spin of the electrons does not produce a resultant magnetic moment
2. the orbital motion of the electrons produces a resultant magnetic moment
3. the electrons do not contribute to paramagnetic or ferromagnetic effects
4. the first and third above answers are correct
5. all of the above are correct
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1. the atom is excited to a higher allowed state
2. the atom is ionized3. the photons pass
by the atom without interaction
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1. The first transition.2. The second
transition.3. Neither, because
the wavelengths are the same for both transitions.
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1. 52. 43. 34. 25. 1
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1. (a) 4 and (b) 92. (a) 4 and (b) 103. (a) 5 and (b) 94. (a) 5 and (b) 105. (a) 9 and (b) 4
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1. True2. False
Rank the energy necessary to remove the outermost electron from the following three elements, smallest to largest: helium, neon, argon.
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1. helium, neon, argon2. helium, argon, neon3. neon, helium, argon4. neon, argon, helium5. argon, helium, neon6. argon, neon, helium
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1. Final: K, Initial: M2. Final: M, Initial: K3. Final: M, Initial: O4. Final: O, Initial: M
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1. increase2. decrease3. do not change
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1. True2. False
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1. oxygen2. iron3. gallium4. copper5. nickel
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1. nickel2. manganese3. vanadium4. scandium5. chromium
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