Chapter 7 - Quantum Theory and the Electronic Structure of Atoms

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Chemistry

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21 Terms

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Transition metals
________ either have partially full d subshells or quickly produce cations with partially filled d subshells.
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Pauli exclusion principle
The ________ is used to determine electron configurations in many- electron atoms.
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lightwave theory
The ________ is a hypothesis that describes how light travels through space.
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electron configurations
Except for hydrogen and helium, the ________ of all elements are represented by a noble gas core.
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paramagnetic refers
The term "________ to materials that have net unpaired spins and are attracted to a magnet.
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Physicists
________ have looked into the properties of emission spectra, or the continuous or line spectra of radiation released by substances.
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similar spots
The distance between ________ on successive waves is measured in wavelength.
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de Broglie
An electron bound to the nucleus, according to ________, acts as a standing wave.
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vertical distance
The ________ between a wave's midline and its peak or trough is called amplitude.
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photoelectric effect
The ________ is a process in which electrons are ejected from the surface of certain metals when they are exposed to light with a minimum frequency, known as the threshold frequency.
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wave function
The ________ of an electron in an atom is known as an atomic orbital.
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Diamagnetic materials
________ have no net unpaired spins and are somewhat repelled by magnets.
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Light emission
________ at specific wavelengths is represented by line spectra.
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number of waves
The ________ that travel through a specific place in one second is known as the frequency v (nu)
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p orbitals
The ________ begin with the primary quantum number n= 2 as should be obvious.
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thermal energy
Energizing a sample of the material with ________ or another source of energy can reveal a substance's emission spectrum.
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Werner Heisenberg
________ developed the Heisenberg uncertainty principle, which states: It is impossible to know the momentum p and the position of a particle with certainty at the same time.
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angular momentum quantum number l
The ________ can only take the value zero if n= 1.
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quantum numbers
Three ________ are necessary for quantum mechanics to represent the distribution of electrons in hydrogen and other atoms.
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light beam
He proposed that a(n) ________ is a stream of particles.
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electromagnetic wave
A(n) ________ has an electric field component and a magnetic field component, according to Maxwell's theory.