Chemistry 121 Chapter 6 Part 1
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The distance between two crests
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Absorption
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Wavelength
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Frequency
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About This Quiz
Explore key concepts of atomic structure in 'Chemistry 121 Chapter 6 Part 1'. This quiz assesses understanding of wavelengths, frequency, Planck's constant, and electron behavior in atoms. It's designed for students to master quantum mechanics principles relevant to chemistry and physics.
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- 2.
The number of oscillations per second
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Wavelength
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Electrons
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Frequency
Correct Answer
A. FrequencyExplanation
Frequency refers to the number of oscillations or cycles that occur per second. It is a measure of how often a wave, such as a sound wave or electromagnetic wave, repeats its pattern. In the context of the given options, frequency is the correct answer as it directly relates to the number of oscillations per second. Wavelength, on the other hand, refers to the distance between two corresponding points on a wave, while electrons are subatomic particles that carry a negative charge.Rate this question:
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- 3.
6.63 x 10(34).
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Planck Equation
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Hess's Law
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Newton's Law
Correct Answer
A. Planck EquationExplanation
The given correct answer is Planck Equation. The Planck Equation, also known as Planck's law, is a fundamental equation in physics that describes the relationship between the energy of a photon and its frequency. It is used to calculate the energy of a photon, which is given by the equation E = hf, where E is the energy, h is Planck's constant (6.63 x 10^(-34) J·s), and f is the frequency of the photon. This equation is crucial in understanding the behavior of electromagnetic radiation and the quantization of energy.Rate this question:
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- 4.
Can only move in certain orbits but can jump between energy levels
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Atoms
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Absorption
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Electrons
Correct Answer
A. ElectronsExplanation
Electrons are subatomic particles that are found in orbits around the nucleus of an atom. These orbits, also known as energy levels, determine the position and movement of electrons within an atom. Electrons can only move in specific orbits, also called shells, and they can jump between these energy levels by either absorbing or emitting energy. This process is known as absorption or emission of photons, which allows electrons to transition between different energy levels within an atom. Therefore, electrons are the correct answer to the given statement.Rate this question:
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- 5.
Takes energy to move away from the nucleus
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Joules
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Electrons
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Atoms
Correct Answer
A. ElectronsExplanation
Electrons have a negative charge and are located in energy levels around the nucleus of an atom. Moving away from the nucleus requires energy because the attractive force between the positively charged protons in the nucleus and the negatively charged electrons must be overcome. As electrons move to higher energy levels, they gain energy, and as they move to lower energy levels, they release energy. Therefore, it takes energy for electrons to move away from the nucleus.Rate this question:
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- 6.
Gives away energy when moving towards the nucleus
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Electrons
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Joules
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Nitrogen
Correct Answer
A. ElectronsExplanation
Electrons give away energy when moving towards the nucleus. This is because as electrons move closer to the positively charged nucleus, they experience a stronger attraction. This attraction causes the electrons to lose energy, which can be released in the form of electromagnetic radiation or heat. This phenomenon is known as electron energy release or electron energy transition.Rate this question:
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- 7.
Decay, or “fall down” and release energy which gives off light
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Wavelength
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Frequency
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Atoms
Correct Answer
A. AtomsExplanation
Atoms are the correct answer because they are the fundamental building blocks of matter. When atoms decay or undergo a process called radioactive decay, they release energy in the form of radiation, which can include light. This release of energy occurs due to the unstable nature of certain atoms, which strive to achieve a more stable state by emitting radiation. Therefore, atoms are responsible for the phenomenon of decay and the subsequent release of energy that produces light.Rate this question:
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- 8.
All colors of the spectra are emitted
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Frequency
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Absorption
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Emission
Correct Answer
A. AbsorptionExplanation
Absorption refers to the process where light or electromagnetic radiation is absorbed by a material. In this context, the statement suggests that all colors of the spectrum are being absorbed by the material. This means that the material is capable of absorbing all wavelengths of light, resulting in the absence of any color being reflected or transmitted.Rate this question:
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- 9.
Only the line segments of the spectra are emitted
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Absorption
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Wavelength
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Emission
Correct Answer
A. EmissionExplanation
Emission refers to the process in which energy is released in the form of electromagnetic radiation, such as light. In the context of the given statement, it suggests that only the line segments of the spectra are emitted, indicating that specific wavelengths or frequencies of light are being emitted. This is in contrast to absorption, which involves the absorption of light or energy, and wavelength, which refers to the distance between two corresponding points on a wave.Rate this question:
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May 14, 2024Quiz Edited by
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Nov 08, 2009Quiz Created by
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