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Which element has the least amount of spectral lines?
Of the elements for which there are known emission line spectra, hydrogen has the simplest spectrum with 4 spectral lines (some show 5 spectral lines)…
What element has the most spectral lines?
| Element | Wavelength (nm) of strongest lines on visible spectrum | |
|---|---|---|
| Hydrogen | 656 | 486 |
| Argon | 707 | 696 |
| Neon | 585 | 640 |
| Helium | 588 | 389 |
Bohr Model of the Hydrogen Atom, Electron Transitions, Atomic Energy Levels, Lyman Balmer Series
Images related to the topicBohr Model of the Hydrogen Atom, Electron Transitions, Atomic Energy Levels, Lyman Balmer Series
Why do some elements have less spectral lines than others?
Each element has its own unique line spectrum and is thus referred to as the “fingerprint” for a particular element. The spectra for each element are unique because each element contains differing numbers of electrons and thus different energy levels.
How many spectral lines are in iron?
The combined data were used to produce a line list of about 34,000 spectral lines covering wavelengths from 833 Å to 5 μm. Roughly 9500 of these lines are due to Fe i, and these were used to produce optimized energy levels and a new Fe i multiplet table (Nave et al. 1994).
How many spectral lines are there for lithium?
Lithium spectra
The three atomic emission spectra for Lithium can be shown on graph bellow: NIST Atomic Spectra Database [1], gfall.
How many spectral lines does hydrogen have?
The light emitted by hydrogen atoms is red because, of its four characteristic lines, the most intense line in its spectrum is in the red portion of the visible spectrum, at 656 nm.
How many spectral lines does helium have?
The 12 lines of the visible helium spectrum correspond to wavelengths of 388.8, 447.1, 471.3, 492.1, 501.5, 504.7, 587.5, 667.8, 686.7, 706.5, 728.1 and 781.3 nanometres (nm).
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Spectra in the Lab
SIGNATURES OF THE ELEMENTS ; Argon: the pastel color of argon is due to a wide range of lines throughout the spectrum. Spectra of argon. ; Mercury …
6.3: Line Spectra and the Bohr Model – Chemistry LibreTexts
The Lyman series of lines is due to transitions from higher-energy orbits to the lowest-energy orbit (n = 1); these transitions release a great …
Which element produces the largest and smallest number of …
Of the elements for which there are known emission line spectra, hydrogen has the simplest spectrum with 4 spectral lines (some show 5 spectral lines).
Absorption spectrum (emission spectrum lines) (article) – Khan …
Each element has different spectral lines. Kind of like a fingerprint, the lines tell us which elements are present. Comment.
How do you find the number of spectral lines?
For example, suppose one atom with an electron at energy level 7 (n2=7). That electron can “de-excite” from n2=7 to n1=6,5,4,3,2, or 1. All those transitions give one spectral line for each. Thus, total of 1×6=n1(n2−n1) (foot note 1) spectral lines would be present in the spectrum.
How many spectral lines does argon have?
Argon lasers emit at 13 wavelengths through the visible, ultraviolet, and near-visible spectrum, including: 351.1 nm, 363.8 nm, 454.6 nm, 457.9 nm, 465.8 nm, 476.5 nm, 488.0 nm, 496.5 nm, 501.7 nm, 514.5 nm, 528.7 nm, 1092.3 nm.
How does hydrogen have so many spectral lines?
Though a hydrogen atom has only one electron, it contains a large number of shells, so when this single electron jumps from one shell to another, a photon is emitted, and the energy difference of the shells causes different wavelengths to be released… hence, mono-electronic hydrogen has many spectral lines.
Why are spectral lines different for each element?
Different elements have different spectra because they have different numbers of protons, and different numbers and arrangements of electrons. The differences in spectra reflect the differences in the amount of energy that the atoms absorb or give off when their electrons move between energy levels.
Why do different atoms have different spectral lines?
The lines in the spectra occur at wavelengths corresponding to photon energies exactly equal to the spacing of two energy levels in the emitting or absorbing atom. Different atoms have different lines because the spacings of their energy levels are different.
Emission and Absorption Line Spectra – A Level Physics
Images related to the topicEmission and Absorption Line Spectra – A Level Physics
What is the line spectrum of carbon?
| Intensity | Air Wavelength (Å) | Spectrum |
|---|---|---|
| 400 P | 6578.05 | C II |
| 300 | 6582.88 | C II |
| 400 P | 7231.32 | C II |
| 500 P | 7236.42 | C II |
What is the line spectrum of an element?
quantum theory
atoms is known as a line spectrum, because the radiation (light) emitted consists of a series of sharp lines. The wavelengths of the lines are characteristic of the element and may form extremely complex patterns.
What is the emission spectrum of lithium?
| Intensity | Air Wavelength (Å) | Spectrum |
|---|---|---|
| 30 | 2508.785 | Li II |
| 20 | 2539.487 | Li II |
| 10 | 2551.70 | Li II |
| 15 | 2605.081 | Li II |
How many spectral lines does potassium have?
| Intensity | Vacuum Wavelength (Å) | Spectrum |
|---|---|---|
| 800 | 441.81 | K II |
| 150 | 465.08 | K II |
| 469.50 | K II | |
| 300 | 476.03 | K II |
What is the emission spectrum of strontium?
| Color | Element |
|---|---|
| Flame Spectrum | |
| Red | Sr |
| Flame Spectrum | |
| Red | Ca |
What is the emission spectrum of potassium?
The obtained emission spectrum is characteristic of each individual atom, such as sodium (589 nm) and potassium (766 nm), or molecule, such as calcium hydroxide (554 and 622 nm).
Why does helium have more spectral lines than hydrogen?
It is mainly because the helium atom has more electrons than a hydrogen atom. Therefore, more electrons get excited when we pass a white light beam through a helium sample, and it causes the emission of more spectral lines.
How many spectral lines are present in Balmer series?
The series of visible lines in the hydrogen atom spectrum is called the Balmer series. This series of spectral emission lines occur when the electron transitions from a high-energy level to the lower energy level of n=2. Hence, the correct answer is Option (A) 5 lines.
What is the lowest energy of the spectral line emitted by the hydrogen atom in the Lyman series?
Answer is : (c) 3hcRH4
For lowest energy of the spectral line in Lyman series n1 = 1, n2 = 2.
What is the maximum number of spectral lines?
The maximum number spectral lines possible is 4.
Emission and Absorption Spectra
Images related to the topicEmission and Absorption Spectra
What is mercury spectrum?
The wavelengths of the prominent lines in mercury are purple (405 nm), blue (436 nm), blue- green (492 nm), greenish yellow (546 nm), yellow (577 nm), orange (623 nm), and red (691 nm).
What is the emission spectrum of Krypton?
The emission spectra of pure xenon, krypton, and neon are reported over the spectral range of 200 to 900 nm from an enclosed inductively coupled plasma discharge operated at atmospheric pressure and 350 W.
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