4. When a hydrogen atom is bombarded, the atom may be raised into a higher energy state. As the excited electron f...
For the hydrogen atom, its energy at ground state is 13.6 eV, at first excited state is 3.4 eV at second excited state is 1.5 eV and at the third excited state is 0.85 eV. i) Give the energy value for the first two states in Joule (J). [1eV =1.6 x 10-19 J] (2 marks) ii) With the aid of schematic diagram, determine the energy of emitted photon when the atom jumps from the first and third excited states to...
10. The electron in a hydrogen atom undergoes a transition from the 3rd excited state (n=4) to the ground state (n=1). How much energy, in eV, will be given off by the electron? Use three significant figures. Note that, for hydrogen, E1 -13.6 eV.
An electron in the Hydrogen atom is in the excited state with energy E2. a) According to the Bohr model, what is the radius of the atom in this state, in Angstroms? b) What is the wavelength le of the electron, in Angstroms? c) What is the momentum of the electron, in kg-m/s ? d) This atom decays from the excited state with energy E2 to the ground state with energy E1 . What is the energy of the emitted photon?...
E-0.38 eV; E-0 eV) A. The electron will be raised from the ground state to the fifth "excited" state, i.e. ton-d. B. The electron will be raised from the ground state to an excited state with n larger than 6, but will still be bound in the atom. The electron in the atom will drop down to the ground state. C. The electron will be removed from the atom. A gamma ray photon Eo strikes a hydrogen atom. Which of...
An electron in the ground state of a hydrogen atom (-13.6 eV) absorbs a 10.2 eV photon and jumps to the first excited state. What is the energy in eV of the first excited state?
Calculate the energy when an excited electron in the hydrogen atom falls from the transitions below. What color of light is emitted? a) n=5 to n=2 b) n=3 to n=2
The hydrogen Balmer Hβ spectral line is caused by radiation absorbed or emitted as an electron transitions between the 1st excited state and the 3rd excited state in a hydrogen atom. a) Using the Bohr model, calculate the energy of the electron when it is in the 1st excited state, in units of electron-Volts (eV). b) Calculate the energy of the electron when it is in the 3rd excited states, in units of eV. c) Calculate the energy difference between...
The electron in a hydrogen atom is in the first excited state, when the electron acquires an additional 2.86 eV of energy. What is the quantum number of the state into which the electron moves? a. 1 b. 2 c. 3 d. 4 e. 5
Each of the diagrams below depicts an atom with an excited electron. The most likely transition has the shortest transition time - falling to the ground state. Rank the lifetime in situations A - F from greatest to least, breaking ties alphabetically. (A) (B) (C) -0.45 eV -0.45 eV -0.45 eV O -1.87 eV -1.87 eV -1.87 eV O -4.00 eV o -4.00 eV o -4.00 eV O -5.15 eV -5.15 eV -5.15 eV (D) (E) (F) -0.38 eV -0.54...
1) If the electron starts out in the ground state and is excited to level E3 by an incoming photon, what was the wavelength of that photon (in nm)? a) 95.4 nm b) 102.5nm c) 121.5nm d) 136.7 nm e) 182.3 nm 2) When the electron transitioned from E1 to E3 its orbital radius increased by a factor of: A) 1 (It didn’t change) B) 2 C) 3 D) 4 E) 9 3) What is the longest wavelength the hydrogen...