n - Wits Structural Chemistry

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Anomalous Transition Metals.Copper (Cu) and Chromium (Cr)↿↿⇂↿⇂↿⇂↿⇂↿⇂↿↿↿↿↿↿↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂↿⇂Cu: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 3d 10 Cr: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 3d 5Cu: [Ar] 4s 3d 10Cr: [Ar] 4s 3d 5
Ga: [Ar] 4s 2 3d 10 4p 1Ga
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ExampleThe speed of a sound wave th
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All electromagnetic radiation (X-ra
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Classical Physics ~1800’sParticle
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Quantised Energy and PhotonsMax Pla
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ExampleWhat is the smallest increme
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If light shines on the surface of a
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Let w o = hυ oIf E < w o , i.e. if
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Some properties of light can only b
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Line spectra and the Bohr model of
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ExampleCalculate the wavelength in
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Bohr calculated, using classical eq
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- 1 / 16hcR H0- 1 / 9hcR H-¼hcR Hn
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0- 1 / 16hcR H- 1 / 9hcR Hn = ∞n
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- 1 / 16hcR H0- 1 / 9hcR H-¼hcR Hn
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(i)ExampleWhich quantum numbers are
Page 34 and 35: (i)ExampleWhich quantum numbers are
Page 36 and 37: ExampleWhat is the wavelength of th
Page 38 and 39: The Wave Behaviour of Matterde Brog
Page 40 and 41: Heisenberg Uncertainty PrincipleBec
Page 42 and 43: Quantum Mechanics and Atomic Orbita
Page 44 and 45: Quantum Mechanics and Atomic Orbita
Page 47 and 48: ExampleGive the values of n, l, and
Page 49 and 50: All s-orbitals are sphericalAs n in
Page 51 and 52: 0.529ÅElectron density× 4πr 2Dis
Page 53 and 54: 0.5Å3Å× 4πr 2
Page 55 and 56: As n increases, the number of nodes
Page 57 and 58: n = 3 (3 rd energy level of atom)
Page 59 and 60: Contour plots.m l = -1m l = 1 m l =
Page 61 and 62: d - orbitals
Page 63 and 64: In the H atom, allorbitals in a she
Page 65 and 66: s orbitals have Ψ 2 ≠ 0 at the n
Page 67 and 68: Effectivenuclear chargeActual nucle
Page 69 and 70: For multi-electronatoms (He, Li, Li
Page 71 and 72: Electrons have a property called sp
Page 74 and 75: Examples:Orbital diagramm s= ½m s=
Page 76 and 77: Examples:m s= ½Have the same energ
Page 78 and 79: Examples:Orbital diagram1s 2 2s 2 2
Page 80 and 81: The periodic table reflects the ele
Page 82 and 83: 2e -Transition metals.(d - orbitlas
Page 86 and 87: Pb: [Xe] 6s 2 4f 14 5d 10 6p 2Pb
Page 88 and 89: Electronic Structure of IonsCation
Page 90 and 91: ExampleWhat is the electron configu
Page 92 and 93: Transition Metal Ions1 st and 2 nd
Page 94 and 95: Answer (b)Fe: 1s 2 2s 2 2p 6 3s 23p
Page 96 and 97: Anomalous Transition Metals.(Cu 2+
Page 98: ExampleThe diagram shows the wavefu
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n - Wits Structural Chemistry

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