12 Questions
According to Bohr's relation, the energy of the absorbed or emitted photon is related to the energy levels E1 and E2 through which of the following?
ν
What is the basis of quantitative spectral analysis?
Bouguer-Lambert-Beer law
What happens when a beam of light containing all wavelengths within an interval is irradiated on a sample and a decrease in intensity is observed around certain wavelengths?
Absorption spectrum is observed.
In quantitative absorption analysis, the proportionality of the intensity of the spectral lines is related to what factor?
Concentration of atoms or molecules
In which field of study are atomic absorption spectra commonly used?
Medicine
What does the total amount of allowed energetic levels for the atoms of a chemical element form?
An energetic spectrum
What law states that the light absorption coefficient in a solution is proportional to the molar concentration of the absorbing molecules?
Beer's law
What is the absorption index measured in according to the text?
Meters
Why do electrons jump to higher energy states in an atom?
By absorbing particular portions of energy
What type of method is spectral analysis for studying the chemical composition of substances?
Physical method
What role does the law of the absorption of radiation play in according to the text?
Quantitative absorption analysis
What is the aim of laboratory practice involving a photocolourimeter?
To acquire new knowledge for spectral analysis
Explore the applications of atomic spectral analysis in medicine and biology, focusing on the use of atomic absorption spectra to analyze microelements in biological tissues and body fluids. Learn about the significance of molecular spectra in understanding molecular structures and interactions.
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