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Which part of the electromagnetic spectrum do the atomic emission spectra show?
Atomic emission spectra show specific wavelengths of light emitted by atoms when electrons transition from higher energy levels to lower ones. These spectra typically lie in the visible and ultraviolet regions of the electromagnetic spectrum.
Who discovered that electrons move in specific levels or shells?
Neil Bohr discovered that each electron shell has specified energy levels and limited place for electrons.
Is an atomic emission spectrum a continuous range of colors?
No, an atomic emission spectrum is not a continuous range of colors. It consists of discrete lines of specific wavelengths corresponding to the emission of light from excited atoms when they return to lower energy levels. Each element has a unique atomic emission spectrum due to its unique arrangement of electrons.
Why do atomic spectra show individual lines instead of continuous spectra?
Atomic spectra show individual lines instead of continuous spectra because each line corresponds to a specific energy level transition of electrons within the atom. When electrons move between energy levels, they emit or absorb energy in the form of light at specific wavelengths, creating distinct spectral lines. This results in the observed pattern of individual lines in atomic spectra.
What are the characteristics and properties of quantum dot spectra?
Quantum dot spectra exhibit unique characteristics and properties due to their size-dependent energy levels. These include sharp and tunable emission peaks, broad absorption spectra, high quantum efficiency, and narrow emission linewidths. Additionally, quantum dots can be engineered to emit light at specific wavelengths by controlling their size and composition.
Which part of the electromagnetic spectrum do the atomic emission spectra show?
Atomic emission spectra show specific wavelengths of light emitted by atoms when electrons transition from higher energy levels to lower ones. These spectra typically lie in the visible and ultraviolet regions of the electromagnetic spectrum.
Would the atomic emission spectra for sodium be the same on Earth as on the moon?
The atomic emission spectra for sodium would be the same on Earth and the Moon, as these spectra are determined by the electronic transitions of sodium atoms, which do not change based on location. However, the observed intensity and clarity of the spectra might differ due to atmospheric effects on Earth, such as air pressure and composition, which do not exist on the Moon. In a vacuum, like that on the Moon, the emission spectra would be more easily observed without interference.
What is atomic spectra explain its types?
Atomic spectra refer to the distinct lines of light emitted or absorbed by atoms when electrons transition between energy levels. There are two main types of atomic spectra: emission spectra, which are produced when electrons fall to lower energy levels and release energy as photons, resulting in bright lines on a dark background; and absorption spectra, which occur when electrons absorb energy and move to higher energy levels, showing dark lines on a continuous spectrum. Each element has a unique atomic spectrum, acting like a fingerprint for identification.
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.
Why is the atomic emission spectra like fingerprints?
Atomic emission spectra are like fingerprints because they are unique to each element. Each element has its own specific set of energy levels and electron configurations, resulting in a distinct pattern of spectral lines when the element emits light. This characteristic pattern can be used to identify and distinguish different elements, similar to how fingerprints are unique to each individual.
Does atomic emission come from the sun?
there is no atomic emission from the sun.
Who discovered that electrons move in specific levels or shells?
Neil Bohr discovered that each electron shell has specified energy levels and limited place for electrons.
The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be?
The atomic emission spectra of a sodium atom on Earth and in the Sun would be similar, as they both involve the same transitions between energy levels in the sodium atom. However, the intensity and specific wavelengths of the spectral lines may differ due to the different conditions and temperatures present on Earth compared to in the Sun.
What is 5 other inventions by Robert Bunsen except the burner?
He investigated the emission spectra of heated elements. With Gustav Kirchhoff they discovered cesium. He also discovered rubidium. the Bunsen burner... that is all i can think of!
Advantages and disadvantages of atomic emission spectrometry?
advantages of atomic emission
What is the atomic emission spectra?
The colors of light given off when an element loses energy
What has the author R K Winge written?
R. K Winge has written: 'Inductively coupled plasma-atomic emission spectroscopy' -- subject(s): Chemical elements, Spectra
