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41 Cards in this Set
- Front
- Back
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Formula for Speed.
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c=lambda/nu
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Formula for Wavelength:
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lambda=c/nu
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Formula for Frequency:
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nu=c/lambda
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Longitudinal Waves: The waves far apart
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rarefaction
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Longitudinal Waves: The waves close together
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Compression
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Which way does energy move in a Longitudinal wave? A transverse wave?
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Left and right; up and down
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What is the Speed Constant?
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3.00 x 10^8 m/s
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Is the formula c=lambda/nu direct or inverse?
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inverse
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Waves such as Gamma rays have ____.
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Short Wavelengths
High Frequency and the Highest energy |
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Waves such a Radio waves have ____.
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Long Wavelengths
Low Frequency and the lowest energy |
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Violet is at ____ nm and Red is at ____ nm.
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400; 700
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What is a period?
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time of one wavelength
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What is the formula for the period?
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T=1/nu
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What is a photon?
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A photo electron
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A node is located at the ____ point of the wave and an antinode is located at the ____ or ____ point of the wave.
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resting
lowest/highest |
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Formula for Energy:
Inverse or Direct? |
E=h(nu)
Inverse. |
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What is Planck's constant?
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6.62 x 10^-34 joules
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What does the Lyman series contain?
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Ultraviolet
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What does the Balmer series contain?
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visible spectrum
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What does the Paschen Series contain?
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infrared
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Finding a wavelength of a series:
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lambda = hc/change in E
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Who discovered the Quantum Mechanical Model?
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Schrodinger
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Clouds of an electron can overlap without interference. True or False?
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True
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a set of 4 numbers that describe the energy of an electron by giving its location and shape. No 2 sets of QN are the same.
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Quantum Numbers
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Principle Quantum Number
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indicates the distance from the nucleus
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Orbital Quantum Number
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indicates the shape of orbital
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s=
p= d= f= |
1 sublevel
3 sublevels 5 sublevels 7 sublevels |
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Magnetic Quantum Number
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gives orbitals orientation in relation to x, y, and x coordinate system
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Symbol for the Magnetic Quantum Number:
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Ml
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Symbol for the Orbital Quantum Number:
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l
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Spin Quantum Number
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e- spin on their axis either clockwise(+) or counterclockwise (-)
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Symbol for the Spin Quantum Number
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Ms
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What does the Aufbau Principle say?
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to arrange e- in order of increasing energy from the nucleus
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What is Hund's rule?
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e- enter each orbital in a sublevel singly with identical spins, before they are paired with electrons of the opposite spin
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What is Pauli's Exclusion Principle?
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No 2 electrons in one atom have the same QN set.
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How is hydrogen a special case?
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All orbitals in a level have equal energy
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What elements are exceptions of the Aufbau?
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Chromium, Copper, Silver and Gold.
Cr, Cu, Ag, Au |
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Paramagnetism happens when there are ___ electrons.
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unpaired
More magnetic |
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Diamagnetism happens when there are ___ electrons.
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all paired
repelling |
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Magnetism is a ___ property.
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physical
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In abbreviated electron configuration, use the previous ___ __ symbol in [ ].
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noble gas
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