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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.

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Q: Which part of the electromagnetic spectrum do the atomic emission spectra show?
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What is the atomic emission spectra?

The colors of light given off when an element loses energy


What is the name of the spectrum when elements produce different colors when heated?

The spectrum produced when elements emit different colors when heated is called an emission spectrum. Each element has a unique emission spectrum based on the specific wavelengths of light it emits.


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 we say atomic spectra are like fingerprints of the elements?

Atomic spectra are like fingerprints of elements because each element has a unique set of discreet emission or absorption lines in its spectrum. These lines correspond to specific energy levels of electrons within the atoms of that element. By analyzing the pattern and position of these lines in a spectrum, scientists can identify the elements present in a sample.


The emission of electromagnetic energy from an atomic nucleus is called?

gamma


Who discovered the atomic emission spectra?

The atomic emission spectra were discovered by Gustav Kirchhoff and Robert Bunsen in the mid-19th century. They observed that elements emit light at specific wavelengths when heated, leading to the development of spectroscopy.


Explain the difference between the continuous spectrum of white light and the atomic emission spectrum of an element?

White light has a continuous spectrum with all wavelengths of light present, while the atomic emission spectrum of an element consists of specific wavelengths corresponding to the energy levels of the element's electrons. The emission spectrum is unique to each element and can be used to identify the element present.


How can emission spectra used to identify presence of specific elements in a substance?

Emission spectra can be used to identify specific elements in a substance by measuring the unique pattern of wavelengths emitted when the substance is subjected to energy. Each element emits a characteristic set of wavelengths, leading to distinctive spectral lines that can be compared to known spectra to determine the presence of specific elements in the substance. This technique is commonly used in spectroscopy to identify and analyze the composition of various materials.


What are Frequencies of light emitted by an element called?

Frequencies of light emitted by an element are called its emission line spectrum. These frequencies are unique to each element and are a result of the electron transitions within the atom when it releases energy in the form of light.


Working principle of atomic emission spectroscopy?

Atomic emission spectroscopy works by exciting atoms in a sample to higher energy levels using a flame or electrical discharge. When the atoms return to their ground state, they emit characteristic wavelengths of light. By analyzing the emitted light, the elemental composition of the sample can be determined.


What element can produce an atomic emission spectrum in its natural state neon chlorine silicon or Krypton?

Every element can produce an emission spectrum, if it is sufficiently heated. Of the 4 elements that you mention, neon is the most useful, in terms of its emission spectrum, and it is used in a certain type of lighting.


Can atomic spectra be explained on the basis of quantum mechanics?

Yes, atomic spectra can be explained and understood through quantum mechanics. Quantum mechanics provides a framework to describe the discrete energy levels of electrons in atoms, leading to the observation of specific wavelengths in atomic spectra. The theory helps explain phenomena such as line spectra and transitions between energy levels within an atom.