determine the wavelength of the line in the emission spectrum produced by an electron transition He+ from ni= 4 to nf= 2.

  1. 👍
  2. 👎
  3. 👁
  1. 1/wavelength = RZ^2(1/2^2 - 1/4^2)
    R is the Rydberg constant which is 1.09737E7 and Z = 2(don't forget to square it). You can find R more accurately if you go to and type in rydberg constant and click on the wikipedia link.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. A. It takes more energy to ionize (completely

  2. Chemistry

    Explain the production of an emission spectrum in terms of the energy states of an electron. what does that mean someone help me please.

  3. Chemistry

    The meter has been defined as 1,650,763.73 wavelengths of the orange-red line of the emission spectrum of ^86Kr. Calculate the frequency of this radiation. In what proportion of the electromagnetic spectrum does the radiation

  4. Chemistry

    calculate the wavelength of the second line in the Brackett series (nf=4) of the hydrogen emission spectrum. Rh= 2.180e-18 any help please? i know its energy levels 4 to 6... but that is all.

  1. Physics

    What type of spectrum is produced by a hydrogen gas when a high potential difference is applied to it? a visible spectrum emission spectrum absorption spectrum a continuous spectrum I've been all through my notes and cant figure

  2. physics

    The wavelength of first line of balmer series in hydrogen spectrum is 6563 A. Find the wavelength of first line of lyman series in the same spectrum.

  3. Chemistry AP

    what does this mean (we are on quantum) The figure below represents part of the emission spectrum for a one-electron ion in the gas phase. All the lines result from electronic transmissions from excited states to the n = 3 state.

  4. Chemistry

    What is the wavelength of the transition from n=4 to n=3 for Li2+? In what region of the spectrum does this emission occur? Li2+ is a hydrogen-like ion. Such an ion has a nucleus of charge +Ze and a single electron outside this

  1. analytical chemistry

    Any help is greatly appreciated 5mL of a solution A (unknown concentration) was transferred into sic 25mL volumetric flask. The following volumes of a standard solution of A with with a concentration 75ppm were added to the flask:

  2. Chemistry

    Five line in the H atom spectrum have wavelength in A A 1212.7 B 4340.5 C 4861.3 D 6562.8 E 10938 Three line result from transition to nf=2 visible series the other two result from transition in different series one with nf=1 and

  3. Physics

    A transmission diffraction grating with 600 lines/mm is used to study the line spectrum of the light produced by a hydrogen discharge tube with the setup shown above. The grating is 1.0 m from the source (a hole at the center of

  4. Chemistry!! Please help!

    If the wavelength of line B is 142.5 nm, calculate the wavelength of line A. Line A is the transition of n=6 to n=3 Line B is the transition of n=5 to n=3

You can view more similar questions or ask a new question.