AE=R(-) 当n=1,n2=oo时，△E=2.179x1018J, AE-theionizationenergyof a hydrogenatom (氢原子的电离能) △E=hy1 -3289x105(日） 3.289x105=2.179x1018 h It can be seen that the meaning of the constant is the quotient of ionization energy divided by the Planck constant
) 1 1 ( 2 2 2 1 H n n E R h 18 15 2.179 1 0 3.289 1 0 ) 1 1 1 3.289 10 ( 2 2 15 E h E theionizationenergy o f a hydrogen atom. 当n1 1，n2 时，E 2.1791 018 J， (氢原子的电离能 ) the quotient of ionization energy divided by the Planck constant。 It can be seen that the meaning of the constant is
The difference in energy (AE)between energy levels n and =E-=加328910日 2.179×1018 energy of the orbital for an electron Regulation(规定)：(Eac=0) n一quantum number(量子数) En、 2.179×1018 Calculation of energy of specified 之3 orbits of the H atom E.g:the transfer energy between 4th orbital and 2ed orbital: AE=B-8=-2179x103克=4086x1ry 且B △E_4.086×1019 h 6.626×104=6.167×104,1 3.0×107 =486.5nm 6.167×104
E E E hv n n -1 2 2 15 s 1 1 3.289 1 0 n h En—— orbital energy of the orbital for an electron n— quantum number (量子数) E.g: the transfer energy between 4th orbital and 2ed orbital： 14 1 34 19 6.167 1 0 6.626 1 0 4.086 1 0 s h E v 486.5n m 6.167 1 0 3.0 1 0 14 17 v c Hβ The difference in energy (En ) between energy levels n and Regulation(规定):(E= 0) Calculation of energy of specified orbits of the H atom J 2.179 10 2 18 n E E E J 19 2 2 18 4 2 ) 4.086 10 2 1 4 1 - 2.179 10 ( J 2.179 10 2 18 n En
Ens、 2.179×10-18 Calculation of energy of specified J orbits of the H atom E6=-0.0605×10 ®6=-0.0872×10J E=一0.136×10J E3=-0.242×10J H =-0.545×10"灯 E三-2.179×10 H原子核 氢原子结构和氢原子光谱的产生示意图
J 2 .179 10 2 18 n E n Calculation of energy of specified orbits of the H atom
8.1.2 The dual nature of the electron In 1925,Louis de Broglie proposed that a free moving electron with mass m and velocity o should have an associated wavelength given by the cquation:i=点=吾 h=6.626X 10-34Js,p,Planck's constant In 1927,an electron diffraction experiment with Ni crystal did by Davissson and Germerdid confirms the wave character of electron
In 1925, Louis de Broglie proposed that a free moving electron with mass m and velocity υ should have an associated wavelength given by the equation ： 8.1.2 The dual nature of the electron In 1927， an electron diffraction experiment with Ni crystal did by Davissson and Germerdid confirms the wave character of electron h=6.626×10-34J·s，p, Planck’s constant λ= = ， h mv h p
Statistical combination of character of wave and particle of electrons results in the following experimental fact: ●Ni crystal the wave character of electrons comes from movement of large amount of electrons,i.e.,probability wave in statistics
Statistical combination of character of wave and particle of electrons results in the following experimental fact： the wave character of electrons comes from movement of large amount of electrons, i.e., probability wave in statistics 。 Ni crystal