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40 Cards in this Set
- Front
- Back
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Who explained the energy profiles by assuming that the energy of an objects can be changed only in discrete amounts?
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Planck
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Who is associated with the photoelectric effect?
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Albert Einstein
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Who developed the quantum theory?
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Planck
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Who demonstrated photon momentum?
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Compton
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Who proposed the atomic model?
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Bohr
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Who developed the wave theory of matter?
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De Broglie
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What is the first quantum number?
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The principal quantum number
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The second quantum number?
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Angular momentum quantum number
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Third?
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Magnetic quantum number
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The number of possible "L" values for 2nd quantum number =?
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The value of "n" (the first quantum number)
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L=1?
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"p" sublevel
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L=0?
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"s" sublevel
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L=2?
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"d" sublevel
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L=3?
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"f"" sublevel
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What color is between 400 and 434 nm on the color spectrum?
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Violet
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434 and 486 nm?
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Blue
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486 and 575 nm?
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Green
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575 and 600 nm?
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Yellow
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600 and 660 nm?
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Orange
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660 and 750 nm?
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Red
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What is the order of the types of waves from lowest to highest?
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Gamma < X-Ray < Ultra-violet < Visible < Infrared < Microwave < Radio
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Which principle states that electrons are added to lowest energy orbital available?
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Aufbau Principle
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Which rule states that each electron fills each orbital until they are each half-filled until beginning to fill the rest of the way up?
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Hund's Rule
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Which principle states that no two electrons in the same atom can have the same four quantum numbers?
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Pauli's Exclusion Principle
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What is the trend of the ionization energy?
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Increases Up and to the right
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What is the trend of the atomic size?
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Increases Down and to the left
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What is the trend of electron affinity [more exothermic (negative)]?
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Increases Up and to the right
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What is the trend of metallic behavior?
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Increases Down and to the right
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What is the trend of the tendency to form anions and cations?
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Anions - up and to the right (A increases)
Cations - down and to the left (I decreases) |
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Which elements tend to form basic oxides?
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Metals
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Which elements tend to form acidic oxides?
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Nonmetals
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Which elements tend to form amphoteric oxides?
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Metalloids
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What is the trend of sizes of ions?
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Increases down and to the left. (Cat.s are small) (An.s are larger)
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What are atoms and ions with the same number of electrons (have the same electron configuration)?
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Isoelectric species.
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What is the trend of the sizes of isoelectric species?
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Size decreases with increasing the atomic number of the element.
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What do Lattice Energy trends base themselves on?
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They base themselves on ionic charge mainly, and then on size.
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What type of bonding produces: hardness, brittleness, rigidity, lack of conducting when solid, but conduction when melted or dissolved, and very high melting and boiling points?
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Ionic compounds
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Boil and melt at low temperatures, poor electrical conductors, and are not hard?
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Covalent compounds
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Hard, malleable, and ductile, moderately high melting temp., very high boiling temp., and good conductors?
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Metallic compounds
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What is the trend of electronegativity?
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Up and to the right
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