A proton and an electron, both at rest initially, combine to form a hydrogen atom in the ground state. A single photon is emit- ted in this process. What is its wavelength? ( )
A、357nm
B、15mm
C、49fm
D、91.2nm
发布时间：2024-10-01 07:17:27
请在 下方输入 要搜索的题目：
推荐参考答案 (
由 搜搜题库网 官方老师解答 )
答案：
相关试题
- 1.A proton and an electron, both at rest initially, combine to form a hydrogen atom in the ground state
- 2.Calculate the wavelength (in nm) of a photon emitted by a hydrogen atom when its electron drops from
- 3.When the electron in a hydrogen atom moves from n = 6 to n = 2, light with a wavelength of __________
- 4.Using Bohr's equation for the energy levels of the electron in the hydrogen atom, determine the energy
- 5.What are the quantum numbers which determine the energy of the electron in many-electron atom?
- 6.Certain atom requires 3.0 eV of energy to excite an electron from the ground level to the first excited
- 7.In the oxidation-reduction or redox reaction, one atom gains an electron while another atom loses an
- 8.The term materials science and engineering combine both _______ and ________
- 9.___________________________ all form hydrogen bonds with water molecules.
- 10.A car manufacturer and a multinational computer technology corporation intend to combine their strengths
