In order from lowest to highest frequency, the main bands are. ... the wavelength of which refers to the discrete lines of the emission spectrum. why does each element have a unique line emmision spectrum? We can observe the emission spectra of anything burning to determine what elements are contained therein. Question 4: Nuclear Structure (5 points) A. The reason why each atom has a unique emission spectra is because the atom has more or less attractive forces. Every element gives off a unique fingerprint of light, so analyzing the frequencies of this light helps identify the chemical that generated it. Note however that the emission extends over a range of frequencies, an effect called spectral line broadening. Was there any underlying reason for each element to generate a unique spectrum? I know that each element does have a unique spectrum and that the spectrum can be used to classify an unknown element, but i cannot figure out WHY each element has this. Emission spectrum: The emission spectrum of a chemical compound or chemical element is the spectrum of frequencies of electromagnetic radiation emitted due to an atom or molecule making a transition from a high energy state to a lower energy state. This is called the emission spectrum of an element. 4. What two competing fundamental forces are at work inside the nucleus of an atom? Each element emission spectrum is unique and have specific properties. Johannes Balmer studied the optical spectrum of hydrogen and found a pattern in the wavelengths of its emission … It cannot be because of the number of electrons because the ions of an element still all have the same spectrum. Explain why each element has a unique spectrum of absorption or emission lines. Every element has a unique atomic emission spectrum, as shown by the examples of mercury (Hg) and strontium (Sr). 5. element emission spectra reflection.jpg. An emission spectrum is the electromagnetic radiation (EMR), such as visible light, a substance emits. 3. When the substance emits light, a bright-line spectrum or an emission spectrum is generated (these look like a series of bright lines on a black background). C. Why does each element have its own unique emission spectrum? Emission spectra are unique for each element (or different elements have different emission spectra). Basically. I am deeply confused!! please help! As each Element has its own state of excitement. (2 points) Each element has a different number of protons therefore the energy needed is different for each element. Why do elements produce different numbers of spectral lines? Why does each element has a unique spectrum of absorption or emission lines. For example, compare spectra of hydrogen: helium: and carbon: But why? Each element has its unique line emission spectrum. Each element has a unique set of possible energy levels in which an electron can reside. Does a 40 W incandescent light bulb produce both a continuous and a line spectrum? Each of these spectral lines corresponds to a different electron transition from a higher energy state to a lower energy state. The spacing between the lines in the spectrum of an element are constant. Here is a great sample from one of my students. I think it does, but I'm not sure. For example, Helium and Lithium + both have the same amount of electrons, but Helium has two protons, whereas Lithium has three, hence making the wavelength and spectrum different. 2. How can this technique be used to determine the elemental composition of stars? Unique emission spectrum, as shown by the examples of mercury ( Hg ) and strontium ( ). For each element has its own unique emission spectra are unique for each why does each element have a unique emission spectrum has unique. Unique fingerprint of light, so analyzing the frequencies of this light helps the. 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