Chapter 6 Electronic Structure of Atoms 6.4 The Wave Behavior of Matter 6.5 Quantum Mechanical Atomic Orbitals 6.6 Representations of Orbitals 6.7 Many electron atoms 6.8 Electron Configurations 6.9 Electron Configurations Periodic Table Chapter 6
Chapter 6 Electronic Structure of Atoms 6.4 The Wave Behavior of Matter Chapter 6 6.5 Quantum Mechanical & Atomic Orbitals 6.6 Representations of Orbitals 6.7 Many electron atoms 6.8 Electron Configurations 6.9 Electron Configurations & Periodic Table
The Wave Nature of Light Wave properties of light Wavelength A Amplitude kcue c=A.v Wide gop-small efec 山》 衍射
The Wave Nature of Light Wave properties of light : Wavelength λ Frequency ν diffraction c = ⋅ λ ν 衍射
The Particle Nature of Light Radiant energy Evacuated chamber A photon---an energy packet 光子 E=h.v Metal h=6.626×10-34J-s surface Radiant Positive energy terminal Emitted electrons Current indicator Voltage source Metal surface The photoelectric effect of light
The Particle Nature of Light E = ⋅ h ν A photon --- an energy packet 光子 34 h J s 6.626 10 − = × ⋅ The photoelectric effect of light
Duality of Light A photon--- an energy packet Wavelength E hoton =h.v h=6.626×10-34Js =A.h.v 乏diffraction≤ A=6.02×1023/mol The Particle The Wave Nature of Light Nature of Light
Duality of Light Wavelength λ Frequency ν A photon --- an energy packet Ephoton = ⋅ h ν 34 h J s 6.626 10− = × ⋅ The Wave Nature of Light The Particle Nature of Light diffraction ν mole E = ⋅ ⋅ A h ν 23 A mol = × 6.02 10 / 34 h J s 6.626 10− = × ⋅
The visible light---electromagnetic radiation 电磁辐射 The electromagnetic spectrum 电磁波谱 1020 1018 1016 104 1012 1010 10 105 104 Frequency (Hz) UV IR Gamma X rays Ultra- Infrared Microwave Radio waves rays violet Type of radiation L Microwave ovel UHF TV, FM radio. AM 3.0×108m/s police radar. VHF TV V=c/A= =5.75x10-14s-satellite stations cellular radio elephones 522nm×(10-°m/nm) E=hy=6.626×10-34J·s×5.75×1014s1 Emole=A.h-v Photon =6.02×1023×6.626×10-34Js×5.75×104s =3.808×10-20J =2.294×103J=229.4kJ E=h.v 400nm 500 600 700
The electromagnetic spectrum The visible light --- electromagnetic radiation 电磁辐射 电磁波谱 UV IR E = ⋅ h ν Photon 34 14 1 20 6.626 10 5.75 10 3.808 10 E h s J s J ν − − − = ⋅ × × × = × = ⋅ 23 34 14 1 5 6.02 10 6.626 10 5.75 10 2.294 10 229.4 Emole J A s kJ s J h ν − − = ⋅ ⋅ = × × × ⋅ × × = × = 8 14 1 9 (1 3.0 10 / 5.75 10 522 0 / ) m s c n m n s m m ν λ − − × − = = = × ×