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Questions and Answers
An atomic spectroscope uses a ______ to separate light into its component wavelengths.
An atomic spectroscope uses a ______ to separate light into its component wavelengths.
prism
The atom's ______ absorbs energy, allowing electrons to move to higher energy levels.
The atom's ______ absorbs energy, allowing electrons to move to higher energy levels.
nucleus
Bohr's model suggests that electrons occupy ______ circular orbits around the nucleus.
Bohr's model suggests that electrons occupy ______ circular orbits around the nucleus.
fixed
In Bohr's model, the energy levels are denoted by the principal quantum number ______.
In Bohr's model, the energy levels are denoted by the principal quantum number ______.
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When an electron drops to a lower energy level, it ______ energy.
When an electron drops to a lower energy level, it ______ energy.
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The spectral lines observed for elements like H, Na, and Ne are referred to as the element's ______.
The spectral lines observed for elements like H, Na, and Ne are referred to as the element's ______.
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Bohr's model helps explain the ______ of light emitted by elements based on energy transitions.
Bohr's model helps explain the ______ of light emitted by elements based on energy transitions.
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In Activity 1, the observations show elements emitting specific ______ of light.
In Activity 1, the observations show elements emitting specific ______ of light.
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Study Notes
Atomic Spectroscopy
- Atomic spectroscopes analyze the wavelengths of light emitted by elements.
- The emitted light is passed through a prism, separating it into different wavelengths.
- These wavelengths are specific to each element, creating a unique "fingerprint" for identification.
Bohr's Model
- Bohr proposed that electrons in atoms orbit the nucleus in fixed circular orbits, each with a specific energy level (denoted by n = 1, 2, 3...).
- These energy levels explain the distinct wavelengths of light emitted by elements.
- When an electron transitions from a higher to a lower energy level, it releases energy in the form of light at a specific wavelength.
Relationship to Atomic Spectra
- Bohr's model explains the observed spectral lines of elements.
- Each line in the atomic spectrum corresponds to a specific energy transition between energy levels within an atom.
- This supports the concept of discrete energy levels in atoms, as described by Bohr.
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Description
Explore the principles of atomic spectroscopy and Bohr's model of the atom. Learn how the unique wavelengths of light emitted by elements can be analyzed to identify them, and understand how energy levels contribute to atomic spectra. This quiz covers essential concepts in atomic theory and light behavior.
