Question

The electron of the doubly ionised lithium atom is in the first excited state. An incoming...

The electron of the doubly ionised lithium atom is in the first excited state. An incoming photon excites the electron to an even higher energy state with quantum number n=4. Calculate the wavelength of the photon, giving your answer in units of nm (nanometre).

Homework Answers

Answer #1

The wavelength of incident photon = 54.02 nm

Cheers

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
An electron in an excited state of a hydrogen atom emits two photons in succession, the...
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 3037 nm and the second at 94.92 nm, to return to the ground state (n=1). For a given transition, the wavelength of the emitted photon corresponds to the difference in energy between the two energy levels. What were the principal quantum numbers of the initial and intermediate excited states involved?
The electron in a hydrogen atom falls from an excited energy level to the ground state...
The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 656.5 nm and 121.6 nm (So the in the first step the 656.5 nm photon is emitted and in the second step the 121.6 nm photon is emitted). What is the principal quantum number (ni) of the initial excited energy level from which the electron falls?
A hydrogen atom (Z=1) is in the third excited state. It makes a transition to a...
A hydrogen atom (Z=1) is in the third excited state. It makes a transition to a different state, and a photon is either emitted or absorbed. Answer the following conceptual questions: What is the quantum number of the third excited state? When an atom emits a photon, is the final quantum number of the atom greater than or less than the initial quantum number? When an atom absorbs a photon, is the final quantum number of the atom greater than...
Suppose that an electron is in an excited state of a Hydrogen atom at the n...
Suppose that an electron is in an excited state of a Hydrogen atom at the n = 4 energy level. (a) How many different states are available for that electron to occupy?(b) Suppose that the electron falls directly to the ground state, causing a single photon to be released from the atom. What is the photon’s wavelength? (c) After its release, the photon collides with an electron at rest, and scatters off at a 60o angle with respect to its...
Suppose that an electron is in an excited state of a Hydrogen atom at the n...
Suppose that an electron is in an excited state of a Hydrogen atom at the n = 4 energy level. (a) How many different states are available for that electron to occupy? (b) Suppose that the electron falls directly to the ground state, causing a single photon to be released from the atom. What is the photon’s wavelength?   (c) After its release, the photon collides with an electron at rest, and scatters off at a 60o angle with respect to...
A hydrogen atom (Z = 1) is in the third excited state, and a photon is...
A hydrogen atom (Z = 1) is in the third excited state, and a photon is either emitted or absorbed. Determine (a) the quantum number nf of the final state (b) the energy of the photon when the photon is emitted with the shortest possible wavelength (c) the quantum number nf of the final state (d) the energy of the photon when the photon is emitted with the longest possible wavelength (e) the quantum number nf of the final state...
wavelength of the photon emitted. Please give your answer in units of nm, rounded to one...
wavelength of the photon emitted. Please give your answer in units of nm, rounded to one decimaA triply ionised beryllium atom (Be+++, Z = 4) has only one electron in orbit about the nucleus. If the electron decays from the n = 3 level to the first excited state (n = 2), calculate the l place.
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...
1. a. A photon is absorbed by a hydrogen atom causing an electron to become excited...
1. a. A photon is absorbed by a hydrogen atom causing an electron to become excited (nf = 6) from the ground state electron configuration. What is the energy change of the electron associated with this transition? b. After some time in the excited state, the electron falls from the n = 6 state back to its ground state. What is the change in energy of the electron associated with this transition? c. When the electron returns from its excited...
1. A hydrogen atom, initially in the first excited state (initial ni = 2), absorbs a...
1. A hydrogen atom, initially in the first excited state (initial ni = 2), absorbs a photon of wavelength 656.30 nm. (a) (5) What is the final state ? In other words, solve for the FINAL nf . Show all work. (b) (5) What would be the wavelength of a photon, which , when absorbed by the atom, ionizes an electron from the first excited level ? 2. X-rays with initial wavelength λ = 0.0665 nm undergo Compton scattering. (a)...