Question

a hydrogen atom initially in its n=4 state absorbs a photon of wavlength 238.5 nm, which...

a hydrogen atom initially in its n=4 state absorbs a photon of wavlength 238.5 nm, which is enough to ionize it. how much kinetic energy in eV does the ejected electron have?

Homework Answers

Answer #1

​​​​​​Please rate it up, Thanks!

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Originally, a H-atom is in an n=2 state. a) After this atom absorbs a 77-nm photon,...
Originally, a H-atom is in an n=2 state. a) After this atom absorbs a 77-nm photon, the electron is ejected. The energy of the absorbed photon is.... b) The kinetic energy of the ejected electron is...
A hydrogen atom in the fundamental state (first orbit) absorbs a photon of 93.7 nm, which...
A hydrogen atom in the fundamental state (first orbit) absorbs a photon of 93.7 nm, which corresponds to a transition line in the Lyman series. a) Determine the final state, n to which the electron arrives in this case. b) How does the state energy of part a) compare with the energy of the fundamental state (first orbit)? Express it mathematically. c) How does the size of the atom of the state of part a) compare with the size of...
4 a) A hydrogen atom in the ground state absorbs a photon of wavelength 97.2 nm....
4 a) A hydrogen atom in the ground state absorbs a photon of wavelength 97.2 nm. What energy level does the electron reach? b) This excited atom then emits a photon of wavelength 1875.4 nm. What energy level does the electron fall to?
a) Originally, a H-atom is an n=5 state. The (total) energy of an electron in this...
a) Originally, a H-atom is an n=5 state. The (total) energy of an electron in this state is En = _______ eV. b) After this atom absorbs a 66-nm photon, the electron is ejected. The energy of the absorbed photon is Ey = _______eV. c) The kinetic energy of the ejected electron is K = _________eV
A hydrogen atom transitions from the n = 6 excited state to the n = 3...
A hydrogen atom transitions from the n = 6 excited state to the n = 3 excited state, emitting a photon. a) What is the energy, in electron volts, of the electron in the n = 6 state? How far from the nucleus is the electron? b) What is the energy, in electron volts, of the photon emitted by the hydrogen atom? What is the wavelength of this photon? c) How many different possible photons could the n = 6...
A hydrogen atom in the ground state absorbs a photon of wavelength 95.0 nm. What energy...
A hydrogen atom in the ground state absorbs a photon of wavelength 95.0 nm. What energy level does the electron reach? This excited atom then emits a photon of wavelength 434.1 nm. What energy level does the electron fall to? -I know this question has already been asked on Chegg but each question I go to has different calculations and I can't get the right answer.
Answer the following questions using the Bohr model of the hydrogen atom. a) A hydrogen atom...
Answer the following questions using the Bohr model of the hydrogen atom. a) A hydrogen atom is the n = 3 excited state when its electron absorbs a photon of energy 4.40 eV. Draw a diagram roughly to scale, of relevant energy levels for this situation. Make sure to show and label the initial energy of the H atom in the n=3 state, the energy level at which this atom loses its electron, and kinetic energy of the electron. b)What...
a ground state hydrogen atom absorbs a photon of light having a wavelength of 93.73 nm....
a ground state hydrogen atom absorbs a photon of light having a wavelength of 93.73 nm. it then gives off a photon having a wavelength of 410.1 nm. what is the final state of the hydrogen atom?
Consider the first three energy levels of hydrogen (n = 1, 2, 3). a) What photon...
Consider the first three energy levels of hydrogen (n = 1, 2, 3). a) What photon energies can be observed from transitions between these levels? Label these in increasing order as E1, E2, and E3. b) A hydrogen atom which is initially in the n = 2 level collides with an aluminum atom in its ground state (the kinetic energy of the collision is nearly zero). The hydrogen can drop to the n = 1 level and ionize the aluminum...
A hydrogen atom is initially at n=2 excited state and then absorbs energy 2.86 eV. The...
A hydrogen atom is initially at n=2 excited state and then absorbs energy 2.86 eV. The excited state is unstable, and it tends to finally return to its ground state. 8% (a) How many possible wavelengths will be emitted as the atom returns to its ground state? (also draw a diagram of energy levels to illustrate your answer) Calculate the second shortest wavelength emitted.