Question: According to the Bohr model, what is the energy of the atom in the ground state? The number of spectral lines that are possible when electrons in 7 th shell in different hydrogen atoms return to the 2 nd shell is: A. Using the Rydberg formula, it becomes easy to calculate the spectral lines. The postulate of the circular orbit, postulate of the selected orbit and postulate of the origin of spectral lines. The wavelengths of the spectral series is calculated by Rydberg formula. When analyzing spectral lines, we must approach them from the right side. Following is the formula: The spectral series are important in astronomical spectroscopy. Directions: By sliding the 3 excited energy levels (not the ground level), the spectral lines corresponding to transitions to and from that energy level will change in response. B. The general formula for calculating number of spectral lines = 2 (n 2 ... ions are excited to their respective first excited state. Rydberg Formula. C. 1 4. Based on the wavelengths of the spectral lines, Bohr was able to calculate the energies that the hydrogen electron would have in each of its allowed energy levels. These spectral lines are the consequence of such electron transitions between energy levels modelled by Neils Bohr. Solution: According to the Bohr model, the energy of the atom in the ground state is -13.6 eV. 1 2. c=f*w. where c is the speed of light (299,792,458 m/s). The frequency of the light is related to it's wavelength through. When electrons move from a higher energy level to a lower one, photons are emitted, and an emission line can be seen in the spectrum. 1 5. Rydberg's Equation . Absorption lines are seen when electrons absorb photons and move to higher energy levels. To find energy from wavelength, use the wave equation to get the frequency and then plug it into Planck's equation to solve for energy. He then mathematically showed which energy level transitions corresponded to the spectral lines in the atomic emission spectrum ( ⦠... Only the lines with energy level classification are displayed in the multiplet-ordered output, and therefore the total number of lines shown at the top of the page may be different for wavelength and multiplet orderings. He eventually discovered there was an integer relationship between the wavenumbers of successive lines. This is because the lines become closer and closer as the wavelength decreases within a series, and it is harder to tell them apart. * If an electron goes from any level to ground state then * (n - 1)n/2 * If an electron goes from m level to n level then * (m - n - 1)m/2 * SHIVAM * This type of problem, while simple, is a good way to practice rearranging and combining equations (an essential skill in physics and chemistry). The energy (E) associated with photons of a given wavelength (w) is, E=h*f. where h is Planck's constant (6.626068 * 10^-34 m^2 kg/s) and f is the frequency of the light. The line with the longest wavelength within a series corresponds to the electron transition with the lowest energy within that series. Since each atom has its own characteristic set of energy levels, each is associated with a unique pattern of spectral lines. Johannes Rydberg was a Swedish physicist who attempted to find a mathematical relationship between one spectral line and the next of certain elements. Emission and absorption lines in the atom correspond to an electron (or electrons collectively) losing or gaining energy by jumping between energy levels. Rydberg formula relates to the energy difference between the various levels of Bohrâs model and the wavelengths of absorbed or emitted photons. 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