Chemistry-Chapter 5: Electrons in Atoms – Flashcards
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Who discovered the electron?
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Joesph Thomson
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How does the energy of an electron change when the electron moves closer to the nucleus?
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It decreases
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The principal quantum number indicates what property of an electron?
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Energy Level
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What is the shape 3p atomic orbital?
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a dumbbell
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How many energy sublevels are there in the second principal energy level?
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2
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What is the maximum number of electrons in the second principal energy level?
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8
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When an electron moves from lower to higher energy, the electron..?
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absorbs a quantum of energy
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The quantum mechanical model of the atom...?
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is concerned with the probability of finding an electron in a certain position
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What types of atomic orbitals are in the principal energy level?
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s,p,and d only
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The formula 2n^2 represents?
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the maximum number of electrons that can occupy an energy level
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The letter "p" in the symbol 4p^3 indicates the?
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sublevel & orbital shape
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What is the next atomic orbital in the series 1s, 2s,2p,3s,3p?
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4s
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What is the number of electrons in the outermost energy level of an oxygen atom?
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6
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What is the electron configuration of potassium?
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1s^2, 2s^2, 2p^6, 3s^6, 4s^1
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How does the speed of visible light compare with the speed of gamma rays, when both speeds are measured in a vacuum?
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the speeds are the same
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Which color of visible light has the shortest wavelength?
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violet
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The amplitude of a wave is the measure of the...?
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height from origin to crest
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Which of the Following electromagnetic waves have the highest frequencies?
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infrared light waves
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Which type of electromagnetic radiation includes the wavelength 10^-7 m?
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visible light
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The lowest energy state of an atom is called the...?
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ground state
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Emission of light from an atom occurs when the electron...?
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drops from a higher to a lower energy level
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Which of the following quantum leaps in a Hydrogen atom would be associated with the greatest energy of emitted light?
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n=4 to n=1
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How many f orbitals can there be in one atom?
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7
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What is the maximum number of d orbitals in a principal energy level?
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5
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What is the maximum number of orbitals in the p sub level?
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3
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What is the maximum number of electrons in the 4th principal energy level?
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32
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Electromagnetic waves with a high frequency have ________ energy that electromagnetic waves with a low frequency
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