Spectra have been used to study the arrangements of electrons in atoms.An emission spectrum consists of a series of bright lines that converge at high frequencies.Such emission spectra provide evidence that electrons are moving from.A. lower to higher energy levels with the higher energy levels being closer together.B. lower to higher energy levels with the lower energy levels being closer together.C. higher to lower energy levels with the lower energy levels being closer together.D. higher to lower energy levels with the higher energy levels being closer together.
Question
Spectra have been used to study the arrangements of electrons in atoms.An emission spectrum consists of a series of bright lines that converge at high frequencies.Such emission spectra provide evidence that electrons are moving from.A. lower to higher energy levels with the higher energy levels being closer together.B. lower to higher energy levels with the lower energy levels being closer together.C. higher to lower energy levels with the lower energy levels being closer together.D. higher to lower energy levels with the higher energy levels being closer together.
Solution
The correct answer is C. higher to lower energy levels with the lower energy levels being closer together.
Here's why:
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An emission spectrum is produced when an electron in an atom jumps from a higher energy level to a lower energy level. This is because the electron loses energy in the form of light, which we see as a bright line in the spectrum.
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The lines converge at high frequencies because the energy levels in an atom are not evenly spaced. They are closer together at lower energy levels and further apart at higher energy levels.
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Therefore, when an electron jumps from a higher energy level to a lower one, it will pass through more energy levels if it starts at a high energy level (where the levels are further apart) than if it starts at a low energy level (where the levels are closer together). This results in more lines in the emission spectrum, which converge at high frequencies.
Similar Questions
The type of spectra produced by atoms is:A. Continuous spectra ⃝ B. Band spectra ⃝C. Line spectra ⃝ D. Braking radiation spectra
An Emission spectra is always a …………………a.Line Spectra b.Band Spectra c.Continuous spectra d. All of the aboveClear my choice
What does the emission spectrum of a molecule show?A.The energy the molecule absorbs as it undergoes a reaction to break down into its elementsB.The wavelengths of light a molecule takes in when an electron moves to a higher energy levelC.The wavelengths of light a molecule gives off when an electron moves to lower energy levelsD.The energy the elements give off as they undergo a reaction to form a molecule
What does an emission spectrum look like?A.It is a graph showing the temperature dependence of emissions.B.It is a band of colors with dark lines at absorption wavelengths.C.It is a white light source separated into a band of colors.D.It is a set of lines corresponding to photon emission wavelengths.
3. What is the region around the atomic nucleus where the electron is mostlyfound?A. FrequencyB. Energy LevelC. Atomic OrbitalD. Atomic Emission Spectrum
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