英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
substantives查看 substantives 在百度字典中的解释百度英翻中〔查看〕
substantives查看 substantives 在Google字典中的解释Google英翻中〔查看〕
substantives查看 substantives 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • [FREE] Calculate the energy of an electron in the n = 4 level . . .
    The energy of an electron in the n = 4 level of a hydrogen atom is approximately -1 36 x 10⁻¹⁹ J This is calculated using the energy formula for hydrogen energy levels and converting from electron volts to joules The calculated energy indicates that the electron is bound to the nucleus
  • Solved Consider an electron in the n = 4 energy level of a . . .
    (a) What is the energy of the n = 4 energy level? (Give your answer to three significant figures ) J (b) How much energy is involved in the transition of the electron from n = 4 to n = 1?
  • Now consider an excited-state hydrogen atom, what is the . . .
    The energy level of an electron in a hydrogen atom in an excited state at $n=4$ is as follows: \[E_4=-1 36\times{10}^{-19}J\] Example Calculate the energy released in a hydrogen atom when an electron jumps from $4^{th}$ to $2^{nd}$ level Solution The energy that is released in a hydrogen atom when an electron jumps from $4^{th}$ to $2^{nd
  • Problem 45 An electron is in an \ (n=4\) sta. . . [FREE . . .
    The energy of an electron in the \(n=4\) state of a hydrogen atom is \(-0 85 eV\) Other quantized properties include the angular momentum, the magnetic moment, and the spin, and they take on values of \(nh 2π, μB, and ±1 2 \) respectively
  • An electron is in an n = 4 state of the hydrogen atom. (a . . .
    Step 1: Given information: The given electron is in an n=4 state of the hydrogen atom Step 2: Energy of electron: According to Bohr's atomic model, an electron is excited to a higher energy state by absorbing energy in the form of photons
  • Calculate the energy of an electron in the n = 4 level of a . . .
    The energy of any atom is given by Bohr formula E= (-Rh)z^2 n^2 where n = principle quantum number Rh= redberg constant which value is equal to 2 18×10^-18 and z is atomic number of element put all narration and find value Hope this help you-----:-)
  • An electron in a hydrogen atom relaxes to the n = 4 level . . .
    It is expressed as 1 λ = R_H(1 n1² - 1 n2²), where R_H is the Rydberg constant, n1 and n2 are the principal quantum numbers of the lower and upper energy levels, respectively This formula is essential for determining the initial energy level (n) from which the electron transitioned





中文字典-英文字典  2005-2009