Chem. chapter 5 review – Flashcards
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What does "n" designate in Bohr's atomic model?
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Relative size and the amount of energy posses
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What is the name of the atomic model in which electrons are treated as waves?
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The quantum mechanical model
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What is the probability that an election will be found within an atomic orbital?
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90%
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What does "n" represent in te quantum mechanical model of the atom
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-quantity or amount -counted or measure -specified portion -amount of energy regarded as a unit
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How many energy sub levels are contained in each of the hydrogen atom's first three energy levels?
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1
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Which of the following atomic orbital designations are incorrect?
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2d
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In what sequence do elections fill the atomic orbitals related to a sublevel?
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1s, 2s, 2p, 3s, 3p, 4s 3d, 4p
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How does noble-gas notation shorten the process writing an elements electron configuration?
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It simplifies the process with larger elements
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What are valence electrons?
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The number of electrons in an atom's outermost valence shell
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Why is 4s before 3d?
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because 3d has slightly more energy than 4d. Electrons will fill 4s sub level first then 3d after
