| Terms |
Definitions |
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amplitude
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birghtness
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E = hv
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Photon Energy
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n=5
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s, p, d, f, g
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de Broglie relation
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Lamda= h/ m(mass)v
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Norm
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Function that assigns a strictly positive value to all vectors in a vector space other than the zero vector
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what shape is a "p" sublevel?
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dumbbell
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electron spin
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the clockwise or counterclockwise motion of an electron
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Magnetic Quantum Number
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m(l), Determines orbital orientation in space
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how many orbitals in an "s" sublevel?
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1
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orbital diagrams
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A visual representation of the electron configuration of an atom.
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electromagnetic spectrum
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The entire spectrum of radiation ranging in wavelength from less than a nanometer to more than a kilometer.
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De Broglie Wavelength
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Describes the matter wave associated with a particle as the quotient of Planck's constant and momentum
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Spin Quantum Number
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m(s), Describes the angular momentum of the electromagnetic field produced by an electron
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who devised an equation that could solved to obtain a region of probable location of an electron?
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Erwin Schrödinger
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The photoelectric effect
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The photoelectric effect is caused when light above a certain frequency is shone upon a piece of metal, causing it to emit electrons.
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frequency
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the number of waves passing a given point per second
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on the ____ side of the PT, elements get more reactive as you move UP
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right
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radius increases as you move ____ and ____ on the periodic table.
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down, left
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photon
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A unit of light when it it exhibits particle like properties (one photon of light = one quantum of energy)
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radial probability function
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The probability that the electron will be found at a certain distance from the nucleus.
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Pauli Exclusion Principle
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No two electrons may have the same set of quantum numbers
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spin magnetic quantum number (ms)
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indicates one of two directions in which an electron can spin
|
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problems with bohr's model of the atom include...
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only valid for hydrogen, putting the electrons in fixed circular orbits violates the laws of classical mechanical physics, violates the Heisenberg uncertainty principle (impossible to determine the position and momentum of a particle simultaneously with certainty.
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n=3
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s, p, d
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Einstein
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(1905) Explained the photoelectric effect, observed electromagnetic radiation is quantized and exhibits particular behavior
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wavelength
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distance between to adjacent peaks
|
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Degenerate
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Describes orbitals with the same energy
|
|
what shape is an "f" sublevel?
|
jack
|
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monochromatic
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radiation composed of a single wavelength
|
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Subshell
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Set of orbitals with the same principle and angular momentum quantum numbers
|
|
how many orbitals in a "p" sublevel?
|
3
|
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line spectrum
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a spectrum containing radiation of only specific wavelengths
|
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probability density
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a value that represents the probability that an electron will be found at a given point in space
|
|
Ole Romer
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(1676) First proposed the speed of light to be constant
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electron affinity decreases as you move ____ and ____ on the periodic table
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down and left
|
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electrons fill orbitals in order of increasing energy (from 1-7 and s-f)
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Aufbau Principle
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wave function
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series of functions that describe the electron in an atom, represented by the greek letter psi
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the energy it takes to remove an electron from the outermost energy level of an atom
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Ionization energy
|
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Who called a packet of light energy quantum?
|
Max Planck
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elements with the lowest _____ and/or highest _____ tend to be the most reactive.
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ionization energies, electron affinities
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the idea that light behaves as both a wave and a particle is called
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Duality of Light
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representative (main group) elements
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a group in the periodic table which includes metals, metalloids, and nonmetals
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