For an electron in a circle with diameter of 2 Å,Find the wave-functions and energy levels.

For an electron in a circle with diameter of 2 Å,Find the wave-functions and energy levels. 英语翻译2.The de Broglie wavelength of a particle describes the wave-particle duality for small particles such as electrons.What is the de Broglie wavelength (in Å) of an electron at 100 eV?What is the wavelength for electrons at 12 keV,whi 关于量子数的问题A possible set of quantum numbers for the last electron added to complete an atom of germanlum in its ground state is ---从左往右分别是n,l ,ml,msA(4,0,0,+1/2)B(3,0,+1,-1/2)C(4,1,-1,-1/2)D(3,1,+1,-1/2)E(4,2,+2,-1/2)问 英语翻译The light emitted by an electron moving from a higher to a lower energy level has a frequency directly proportional to the enegy change of the electron. 英语达人,我又来了啊,An electron tube is a device that can block,amplify,or act as an on/off switch for an electric current.好像没有switch for 的词组吧,也就是说 这几个功能都是for an electric current 的.比如 block for an 想请教一道化学的判断题When an atom has an excited electron drop to a lower available energy state,it emits energy in the form of a photonTrue or False In for an inch,in for a mile. 一道AP物理题How many different photon frequencies can be emitted if an electron is in excited state n=4 in a hydrogen atom?A 1B 3C 5D 6E 8 海森堡不确定性求助!1.Use the Heisenberg uncertainty principle to calculate Deltax for an electron with Deltav = 0.585 m/s.2.By what factor is the uncertainty of the (above) electron's position larger than the diameter of the hydrogen atom?(A 海森堡不确定性原理,1.Use the Heisenberg uncertainty principle to calculate Deltax for an electron with Deltav = 0.585 m/s.2.By what factor is the uncertainty of the (above) electron's position larger than the diameter of the hydrogen atom?(A If an electron loses 2.5E-15 J of energy in travelling from the cathode to the screen in a home computer,across what potential difference must it travel? 世上最无语的物理题~根本就是数学题么An electron moving along the x axis has a position given by x = 15te^-2.3m, where t is in seconds. How far is the electron from the origin when it momentarily stops?知道就是对此公式求导, 一道英文的物理题When a proton captures an electron,a photon with anenergy of 13.6 eV is emitted.What is the frequency of thisphoton?Does it lie in,above,or below the visible range? ap 关于dative covalent bond 配价键的题 which of the following can accept an electron pair in the formation of a dative covalent bond?下列哪个可以在形成配价键时得到一对电子1 NH3 2 AlCl33 CH44 BF3 化学题,看不懂英文,关于原子构造的An atom in the ground state has seven valence electrons. Which electron configuration could represent the valence electron configuration of this atom in the ground state? 又一道物理题,英文版,Consider an electron trapped in an infinite well whose width is 98.5pm .If it is in a state with n=15,what are (a)its energy(b)The uncertainty in its momentum(c)The uncertainty in its position.最好有个方程，好看 Made in Yuehua Electron Factory中文是什么意思? 英语翻译Because of the uncertainty with regard to the exact location of an electron in an atom,at any particular time.在这里regard to 和理解.翻译!