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Are emission lines spectra considered fingerprints of elements?
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Why are emission spectra called the fingerprints of the elements?
Because an emission spectrum is specific to an element.It can be used to identify the element
What is an emission spectra used for?
The emission spectrum can be used to determine the composition of a material
Why did each compound produce a flame of a different color?
Different elements have different emission spectra, meaning that if the electrons in an atom are excited, they will release that energy in different color of light. The flame color depends on the elements in the compound.
How can you Distinguish absorption spectrum from emission spectrum?
Emission spectra are bright-line spectra, absorption spectra are dark-line spectra. That is: an emission spectrum is a series of bright lines on a dark background. An absorption spectrum is a series of dark lines on a normal spectrum (rainbow) background.
Do lines of a particular element appear at the same wavelength in both emission and absorption line spectra?
Yes.
Why are emission spectra called the fingerprints of the elements?
Because an emission spectrum is specific to an element.It can be used to identify the element
How would the spectra from galaxies appear?
They have broad emission lines of highly ionized elements.
Why are no two emission spectra for different elements ever the same?
Because emission spectrum are the result of the electron configuration of the element and no two elements have exactly the same electron configuration.
Scientist use the emission spectra of element to detect?
Emission spectrometry is an old and largely known method for quantitative and qualitative analysis of elements.
What is an emission spectra used for?
The emission spectrum can be used to determine the composition of a material
How do scientists use different spectra to figure out the composition of the stars outer layer?
Different chemical elements emit (or absorb) certain specific frequencies of light. When the light from a star is split in to it's rainbow spectrum of light, certain parts of the spectrum will be black (in absorption spectra) or brighter (in emission spectra). By comparing these lines to the known emission and absorption spectra of elements, the composition of a stars atmosphere can be determined.
Will everyone see all the lines in all the emission spectra of these elements?
Many catalogues of emission spectroscopy lines are published. These lines are not visible on all types of instruments.
Why did each compound produce a flame of a different color?
Different elements have different emission spectra, meaning that if the electrons in an atom are excited, they will release that energy in different color of light. The flame color depends on the elements in the compound.
How Many types of Infrared Spectra?
There are three main types of infrared spectra: absorption spectra, emission spectra, and reflection spectra. Absorption spectra are produced when a material absorbs infrared energy, emission spectra are produced when a material emits infrared radiation, and reflection spectra result from the reflection of infrared radiation off a material.
Who discovered the atomic emission spectra?
thomas Jefferson
Which scientists postulated that the sharp lines in the emission spectra of elements are caused by electrons moving from high energy levels to low energy levels?
Niels Bohr
What is a continuous spectra?
an emission spectrum that consists of a continuum of wavelengths.
