Study sets matching "quantum mechanics"

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Study sets matching "quantum mechanics"

85 terms
Quantum Mechanics
partial
algebra
black
hard
The languages of Quantum Mechanics are _____ differential equ…
The languages of Quantum Mechanics are partial differential e…
Every electron is either _____ or white and no other color
Every electron is either ____ or soft
partial
The languages of Quantum Mechanics are _____ differential equ…
algebra
The languages of Quantum Mechanics are partial differential e…
83 terms
Quantum Mechanics
The distance from crest to crest or tr…
The number of wavelengths that pass pe…
When energy is added to an atom throug…
When hydrogen is excited by electricit…
wavelength
Frequency
absorption
pinkish glow
The distance from crest to crest or tr…
wavelength
The number of wavelengths that pass pe…
Frequency
Quantum Mechanics
The distance from crest to crest or tr…
The number of wavelengths that pass pe…
When energy is added to an atom throug…
When hydrogen is excited by electricit…
wavelength
Frequency
absorption
pinkish glow
The distance from crest to crest or tr…
wavelength
The number of wavelengths that pass pe…
Frequency
5 terms
Quantum Mechanics
Schrodinger equation
Hamiltonian Function
wave function
Square of the wavefunction
H=T+V
contains all of the information that can be known
Probability density: tells us the probability of finding the…
Schrodinger equation
Hamiltonian Function
H=T+V
20 terms
Quantum Mechanics
John Dalton
J.J. Thomson
Ernest Rutherford
Niels Bohr
discovered that atoms are hard, indivisible particles
discovered that atoms have charged particles
discovered that nucleus is positive and electrons are centere…
discovered that electrons are in shells with definite amounts…
John Dalton
discovered that atoms are hard, indivisible particles
J.J. Thomson
discovered that atoms have charged particles
20 terms
Quantum Mechanics
Excited State
Ground State
Photon
Quantum
A state in which an atom has a higher potential energy than i…
The lowest energy state of an atom
A particle of electromagnetic radiation
The minimum quantity of energy that can be gained or lost by…
Excited State
A state in which an atom has a higher potential energy than i…
Ground State
The lowest energy state of an atom
42 terms
Quantum Mechanics
Because the speed of electromagnetic r…
Electromagnetic radiation behaves like…
As it travels through space, electroma…
If electromagnetic radiation has a low…
Inversely proportional to its frequency
Is absorbed by matter
Exhibits wavelike radiation
Longer
Because the speed of electromagnetic r…
Inversely proportional to its frequency
Electromagnetic radiation behaves like…
Is absorbed by matter
9 terms
quantum mechanics
s oribital
p orbital
d orbital
aufbau principle
spherical
jacks
lies between the axis
fill the lowest available energy levels before filling higher…
s oribital
spherical
p orbital
jacks
229 terms
Quantum Mechanics, Quantum mechanics, Quantum Mechanics
The distance from crest to crest or tr…
The number of wavelengths that pass pe…
When energy is added to an atom throug…
When hydrogen is excited by electricit…
wavelength
Frequency
absorption
pinkish glow
The distance from crest to crest or tr…
wavelength
The number of wavelengths that pass pe…
Frequency
Quantum Mechanics
Lepton
Quark
Hadron
Baryon
A class of particles with an integer charge.
A class of particles that has the unique attribute of a fract…
A conglomeration of quarks.
A conglomeration of three quarks.
Lepton
A class of particles with an integer charge.
Quark
A class of particles that has the unique attribute of a fract…
Quantum Mechanics
Amplitude
Angular Momentum Quantum Number
Atom
Atomic Emission Spectrum
For a wave or vibration, the maximum displacement on either s…
Symbol- L -tells you the shape of the orbital
Basic unit of matter
The discontinuous line spectra of light produced when excited…
Amplitude
For a wave or vibration, the maximum displacement on either s…
Angular Momentum Quantum Number
Symbol- L -tells you the shape of the orbital
11 terms
Quantum Mechanics
Heisenberg uncertainty principle
How is the Heisenberg uncertainty prin…
Quantum
History Behind Quantum Mechanical Model
-impossible to know both the velocity and position of a parti…
-to locate electron, might strike with a photon... -electron has…
-the energy required to move an electron form one level to an…
-Bohr proposed electrons have fixed energy levels or orbits... -…
Heisenberg uncertainty principle
-impossible to know both the velocity and position of a parti…
How is the Heisenberg uncertainty prin…
-to locate electron, might strike with a photon... -electron has…
85 terms
Quantum Mechanics
how matter is put together
Democritus
Greece
400 (BC)
quantum mechanics:
(philosopher) greek; argued that atoms are indivisible
(country) Democritus
(time) Democritus
how matter is put together
quantum mechanics:
Democritus
(philosopher) greek; argued that atoms are indivisible
Quantum Mechanics 3F03
Electron Diffraction: Ewald Sphere
Channelling
Kikuchi Lines
2 Approaches to Microscopy
Due to charge, strong electron beams are typical. This yields…
The positive atomic cores can guide the electron cloud along…
Strong electron-electron interactions can yield new overlappi…
1. Standard: flood the sample with light and then use a lens…
Electron Diffraction: Ewald Sphere
Due to charge, strong electron beams are typical. This yields…
Channelling
The positive atomic cores can guide the electron cloud along…
79 terms
Quantum Mechanics
What is the continuous spectrum?
What is the line spectrum?
What do the colors do in the continuou…
What do the colors do in the line spec…
The visible spectrum; contains all wavelengths of visible light
contains only specific wavelengths of visible light that are…
Flow together
They don't flow together
What is the continuous spectrum?
The visible spectrum; contains all wavelengths of visible light
What is the line spectrum?
contains only specific wavelengths of visible light that are…
Quantum Mechanics
Quantization
Atomic Mass
Atomic Number
Bohr Model
Electron has to be on 1 spot, only 1 spot ON the atom
Weight average of several mass numbers; usually a decimal; nu…
Number of protons and electrons, numerically smaller number o…
Put e- at different distances; nucleus in the center with the…
Quantization
Electron has to be on 1 spot, only 1 spot ON the atom
Atomic Mass
Weight average of several mass numbers; usually a decimal; nu…
11 terms
Quantum Mechanics
Democritus
Invisible
Aristotle
Dalton
From about 400 B.C., was a greek philosopher, said matter was…
Democritus said that atoms were __________?
Man that Democritus debated with about the subject of matter.
From the 1800's, was an English scientist used investigations…
Democritus
From about 400 B.C., was a greek philosopher, said matter was…
Invisible
Democritus said that atoms were __________?
Quantum Mechanics
What is the order of the light spectrum?
wavelength
node
amplitude
gamma, xray, ultraviolet, visible, infrared, terahertz, micro…
distance between two identical points
point of zero amplitude
height or intensity
What is the order of the light spectrum?
gamma, xray, ultraviolet, visible, infrared, terahertz, micro…
wavelength
distance between two identical points
Quantum Mechanics
4 Quantum Numbers
Principal Quantum Number
Orbital Quantum Number
Magnetic Quantum Number
Principal Quantum Number... Orbital Quantum Number... Magnetic Quan…
Indicates energy level of the electron... Positive integer n = 1…
Indicates shape of orbital (cloud)... Also called a "sublevel"... S…
indicates the 3-D orientation of an individual orbital... each s…
4 Quantum Numbers
Principal Quantum Number... Orbital Quantum Number... Magnetic Quan…
Principal Quantum Number
Indicates energy level of the electron... Positive integer n = 1…
31 terms
Quantum Mechanics
Quantization
Atomic Mass
Atomic Number
Bohr Model
Electron has to be on 1 spot, only 1 spot ON the atom
Weight average of several mass numbers; usually a decimal; nu…
Number of protons and electrons, numerically smaller number o…
Put e- at different distances; nucleus in the center with the…
Quantization
Electron has to be on 1 spot, only 1 spot ON the atom
Atomic Mass
Weight average of several mass numbers; usually a decimal; nu…
11 terms
Quantum Mechanics
Orbital
Electron Probability Density
Quantum Mechanics
Wave function
Region in space where an electron spends 90% of its time... No s…
Probability of finding an electron at a given location, deriv…
Application of quantum theory to explain the properties of ma…
Mathematical probability of finding an electron in a certain…
Orbital
Region in space where an electron spends 90% of its time... No s…
Electron Probability Density
Probability of finding an electron at a given location, deriv…
13 terms
quantum mechanics
quantum numbers
principal quantum number
angular momentum quantum number
magnetic quantum number
describe various properties of the orbital ... there are 4 categ…
(n) ... whole number integrals ... related to the size and energy o…
(ℓ) ... aka "subshell" or "sublevel" ... tells us the shape of the…
(mℓ)... has integral values between (ℓ) and -(ℓ), including zero…
quantum numbers
describe various properties of the orbital ... there are 4 categ…
principal quantum number
(n) ... whole number integrals ... related to the size and energy o…
44 terms
quantum mechanics
Bohr
n=1
n = ?
Heisenberg
____ drew the connection between Rutherford's model of the at…
ground state/lowest energy level
energy levels are labeled by ____
___ came up with the uncertainty principle
Bohr
____ drew the connection between Rutherford's model of the at…
n=1
ground state/lowest energy level
43 terms
Quantum Mechanics
electromagnetic spectrum
radio waves
microwaves
infrared radiation
All of the frequencies or wavelengths of electromagnetic radi…
Electromagnetic waves with the longest wavelengths and lowest…
Radio waves with short wavelengths and the high frequencies;…
Electromagnetic waves with wavelengths that are longer than v…
electromagnetic spectrum
All of the frequencies or wavelengths of electromagnetic radi…
radio waves
Electromagnetic waves with the longest wavelengths and lowest…
Quantum Mechanics
Energy Level (City)
Sub Shell (Neighborhood)
1st Energy Level (Bohr)
2nd Energy Level (Bohr)
Represented on periodic table by periods.
S,P,D,F - 2,6,10,14 respectively
S, 2 total electrons
SP, 8 total electrons
Energy Level (City)
Represented on periodic table by periods.
Sub Shell (Neighborhood)
S,P,D,F - 2,6,10,14 respectively
21 terms
Quantum Mechanics
Quantum Mechanics
The Bohr Model
Quantum theory
Heisenberg Uncertainty Principle
Light behaves as a wave. Light behaves as a particle.
Bohr drew the connection between Rutherford's model of the at…
used to explain the origin of spectral lines and to describe…
The position and momentum of a moving object cannot simultane…
Quantum Mechanics
Light behaves as a wave. Light behaves as a particle.
The Bohr Model
Bohr drew the connection between Rutherford's model of the at…
Quantum Mechanics
Nucleus
Quarks
Types of quarks
Sound waves
contains protons and neutrons
protons and neutrons are made of this
up, down, strange, charm, top and bottom
make up quarks
Nucleus
contains protons and neutrons
Quarks
protons and neutrons are made of this
Quantum Mechanics
Photoelectric effect
2. Ground state
3. Excited state
4. Emission spectrum
The emission of electrons from a material when light of certa…
The lowest energy state of a quantized system.
A state in which an atom has more energy than it does at its…
A diagram or graph that indicates the degree to which a subst…
Photoelectric effect
The emission of electrons from a material when light of certa…
2. Ground state
The lowest energy state of a quantized system.
33 terms
Quantum Mechanics
General Wave Theory Equation
Planck Equation
What problem was Planck trying to solv…
The Photoelectric Effect Equation
c=λ𝛎
E=n(𝛎h)
Trying to solve the blackbody radiation problem, Planck assum…
λ𝛎= Φ + KE
General Wave Theory Equation
c=λ𝛎
Planck Equation
E=n(𝛎h)
23 terms
Quantum Mechanics
french physicist that mathematically s…
deBroglie's equation
What did deBroglie call his theory?
german scientist that treated electron…
Louis deBroglie
wavelength=planck's constant / mass * velocity
wave-particle duality of light
Werner Heisenberg
french physicist that mathematically s…
Louis deBroglie
deBroglie's equation
wavelength=planck's constant / mass * velocity
83 terms
Quantum Mechanics
The distance from crest to crest or tr…
The number of wavelengths that pass pe…
When energy is added to an atom throug…
When hydrogen is excited by electricit…
wavelength
Frequency
absorption
pinkish glow
The distance from crest to crest or tr…
wavelength
The number of wavelengths that pass pe…
Frequency
Quantum Mechanics
Things to consider when getting ready…
Who discovered the neutron?
Who developed the quantum mechanical m…
Who discovered the electron?
This unit is one of the most concept-heavy parts of the cours…
James Chadwick
Erwin Schrodinger
J. J. Thompson
Things to consider when getting ready…
This unit is one of the most concept-heavy parts of the cours…
Who discovered the neutron?
James Chadwick
Quantum Mechanics
What is quantum mechanics based on?
Who discovered that atoms emit energy…
Who developed the Quantum Mechanical M…
What form of energy does light come in?
Based on the idea that laws that govern large objects (i.e. g…
Max Planck discovered that atoms or molecules emit energy in…
Max Planck
Heat
What is quantum mechanics based on?
Based on the idea that laws that govern large objects (i.e. g…
Who discovered that atoms emit energy…
Max Planck discovered that atoms or molecules emit energy in…
Quantum Mechanics
What is C?
What does the funny looking V represent?
How do you measure frequency?
What is h
The speed of light 3x10^8
Frequency
Hertz (Hz)
Planck's Constant
What is C?
The speed of light 3x10^8
What does the funny looking V represent?
Frequency
37 terms
Quantum Mechanics
What does the quantum mechanical model…
What is wave-particle duality?
What is the atomic emission spectra?
What is "exciting" an electron?
The electrons live in the clouds or space around the nucleus
Electrons not only act like matter, but also like waves (not…
A chemical spectrum in which, in an atom, the electrons absor…
Adding energy to the electron
What does the quantum mechanical model…
The electrons live in the clouds or space around the nucleus
What is wave-particle duality?
Electrons not only act like matter, but also like waves (not…
50 terms
Quantum Mechanics
Reflection
Dispersion
Refraction
Diffraction
illuminating polished surface... Diffuse reflections come from r…
Illuminating white light through a prism results in separatio…
Light velocity changing (i.e. objects "bending" when in water)
Bending around an edge
Reflection
illuminating polished surface... Diffuse reflections come from r…
Dispersion
Illuminating white light through a prism results in separatio…
Unit 4: Quantum Mechanics
symbolized by n = 1, 2 , 3
Maximum number of electrons per orbita…
The quantum model of the atom explains
We could pinpoint the locations of ele…
energy level
2
where electrons can be found
False
symbolized by n = 1, 2 , 3
energy level
Maximum number of electrons per orbita…
2
26 terms
Quantum Mechanics #1
1
2
3
6
The # of orbitals in an s-subshell
The # of electrons in an s-subshell
The # of orbitals in a p-subshell
The # of electrons in a p-subshell
1
The # of orbitals in an s-subshell
2
The # of electrons in an s-subshell
6 terms
Quantum Mechanics
States and measurements
Intuition and Visualization
The statistical average of a quantity
Average Measurements
In classical mechanics, the labels that describe the result o…
You have to think of everything in quantum mechanics in terms…
{Q}
If we measure a particle to have a spin of +1 when A is orien…
States and measurements
In classical mechanics, the labels that describe the result o…
Intuition and Visualization
You have to think of everything in quantum mechanics in terms…
21 terms
Quantum Mechanics
particle (quanta) and wave
Quantum
Ground State
Line emission spectrum
Light can be thought of as a
The minimum amount of Energy that can be lost or gained by an…
The lowest energy state of an atom
Specific frequencies that every atom gives off
particle (quanta) and wave
Light can be thought of as a
Quantum
The minimum amount of Energy that can be lost or gained by an…
Quantum Mechanics
Schrodinger
Principle Quantum Number
Angular Momentum
Magnetic Quantum Number
This guy applied wave mechanics to atoms and made the quantum…
-n=1,2,3...n... -Determines the size of an orbital... -No=0
-L=0,1,2,3...n-1... -L=s,p,d,f (that's it for now)... -Describes th…
ml=-l --> 0 --> +l... Number of orbitals in subshell
Schrodinger
This guy applied wave mechanics to atoms and made the quantum…
Principle Quantum Number
-n=1,2,3...n... -Determines the size of an orbital... -No=0
13 terms
Quantum Mechanics
Diffraction
Photoelectric effect
Deterministic
Hamiltonian Operator
The bending of a wave as it moves around an obstacle or passe…
The observation that many metals emit electrons when light sh…
The principle that the present determines the future... Ex. newt…
A set of mathematical operations that represents the total en…
Diffraction
The bending of a wave as it moves around an obstacle or passe…
Photoelectric effect
The observation that many metals emit electrons when light sh…
Quantum Mechanics
Ludwig Boltzmann
Heinrich Herz
Max Plank's quantum hypothesis
Gilbert Lewis calls quantum light part…
suggested energy sates of a physical system could be discrete
observes the photoelectric effect
E=hf
photons
Ludwig Boltzmann
suggested energy sates of a physical system could be discrete
Heinrich Herz
observes the photoelectric effect
27 terms
Quantum Mechanics
Aufbau principle
Pauli's exclusion principle
Hund's rule
Schrodinger's electron model
Electrons must be stacked starting at the bottom first (lowes…
Each electron parking space (orbital) may hold only two elect…
When there are multiple rooms on each floor of the high rise,…
Electrons can be stacked on different levels of a high rise b…
Aufbau principle
Electrons must be stacked starting at the bottom first (lowes…
Pauli's exclusion principle
Each electron parking space (orbital) may hold only two elect…
18 terms
Quantum Mechanics
Quantum
Quantum Theory
Orbital
Quantum Numbers
minimum amount of energy that can be lost or gained by an atom
describes mathematically the wave properties of electrons
probable location of an electron
4 of them; indicate properties of atomic orbitals and propert…
Quantum
minimum amount of energy that can be lost or gained by an atom
Quantum Theory
describes mathematically the wave properties of electrons
75 terms
Quantum Mechanics
L = T - V
F = -∂V/∂r = ∂L/∂r
p = mr'(t) = ∂L/∂r'(t)
d(∂L/∂r'(t))/dt = ∂L/∂r
Lagrangian
Newton's Law
Momentum
Euler-Lagrangian Equation
L = T - V
Lagrangian
F = -∂V/∂r = ∂L/∂r
Newton's Law
12 terms
Quantum Mechanics
Quantum Mechanics
Principle Quantum number
Angular Momentum Quantum number
Magnetic Quantum number
Elementary particles can only gain or lose energy in discrete…
symbolized by n, indicates the main energy level occupied by…
symbolized by l, affects energy of electrons. Describes the s…
symbolized by m, which orbital the E is in
Quantum Mechanics
Elementary particles can only gain or lose energy in discrete…
Principle Quantum number
symbolized by n, indicates the main energy level occupied by…
9 terms
quantum mechanics
albert einstein
JJ Thomas
Rutheford
niels bohr
Created paper on photoelectric effect in 1905
discovery of the electron in 1897
Famous experiment, model as nucleus and orbiting electrons, i…
modified the model in 1913, perfectly explains line emission…
albert einstein
Created paper on photoelectric effect in 1905
JJ Thomas
discovery of the electron in 1897
6 terms
Quantum Mechanics
Wolfgang Pauli
Friedrich Hund
Werner Heisenburg
Erwin Shcrodinger
No two electrons can have the same 4 quantum numbers. If the…
Hund's Rule: The orbitals in a subshell fill one at a time wi…
You cannot know both position and momentum of subatomic parti…
Formulated the wave equation and is known for Schrodingers ca…
Wolfgang Pauli
No two electrons can have the same 4 quantum numbers. If the…
Friedrich Hund
Hund's Rule: The orbitals in a subshell fill one at a time wi…
Quantum mechanics
quantum mechanics
psi
electron density
n
dual nature of matter and light to find eave nature of object…
wave function
psi^2 gives... where electron is located at any given time
principle quantum number
quantum mechanics
dual nature of matter and light to find eave nature of object…
psi
wave function
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