10 Questions
Which type of spectrum consists of distinct lines?
Line spectrum
What happens to the electron in an atom when it emits light of specific wavelengths?
The electron jumps from higher energy level to lower energy level
How can line spectrum be produced?
By passing a gas through electric discharge tube at low pressure
What does the line spectrum serve as for identification of elements?
A fingerprint
What does the line spectrum of sodium look like?
Two yellow lines separated by a definite distance
Which type of spectrum consists of distinct lines separated by dark spaces?
Line spectrum
Which of the following represents the energy difference between the excited and ground state of an atom?
Wavelengths
What happens to the electrons in an atom when it emits light of specific wavelengths?
They jump from lower energy level to higher energy level
How can line spectrum be produced?
By passing a gas through an electric discharge tube at low pressure
What does the line spectrum of an element serve as?
A fingerprint for identification of elements
Study Notes
Line Spectrum
- A line spectrum consists of distinct lines, produced when electrons in an atom transition from a higher energy level to a lower energy level, emitting light of specific wavelengths.
Electron Energy Transitions
- When an electron in an atom emits light of specific wavelengths, it transitions from a higher energy level to a lower energy level, releasing energy in the form of photons.
Producing Line Spectra
- Line spectra can be produced by heating an element, causing the electrons to transition from a higher energy level to a lower energy level, emitting light of specific wavelengths.
Identification of Elements
- The line spectrum of an element serves as a unique identifier, allowing for the identification of elements based on their distinct line spectra.
Sodium's Line Spectrum
- The line spectrum of sodium appears as a yellow doublet, characteristic of sodium.
Discrete Spectrum
- A discrete spectrum consists of distinct lines separated by dark spaces.
Energy Difference
- The energy difference between the excited and ground state of an atom represents the energy emitted or absorbed during an electron transition.
Electron Transitions
- When electrons in an atom emit light of specific wavelengths, they transition from a higher energy level to a lower energy level, releasing energy in the form of photons.
Line Spectrum Significance
- The line spectrum of an element serves as a unique fingerprint, allowing for the identification of elements based on their distinct line spectra.
Test your knowledge of line spectra and their significance in atomic physics with this quiz! Learn about the distinct lines and specific wavelengths of electromagnetic radiation emitted or absorbed by atoms, as well as the energy level transitions that cause these emissions.
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