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Related Flashcards
Cards In This Set
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The smallest particle of an element that retains the properties of that element is an ___.
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Atom
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What was the significance of the gold foil experiment?
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It proved existence of the nucleus.
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What experiment was used to obtain the charge of an electron?
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The oil drop experiment.
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The atomic number of an element is the total number of which particles in the nucleus?
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Protons
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If the spin of one electron in an orbital is clockwise, what is the spin of the other electron in the same orbital?
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Counterclockwise
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Which subatomic particle plays the greatest role in determining the properties of an element?
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Electrons
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What is the charge of a cation?
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Postive
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What is the ending of all binary compounds, both ionic and molecular?
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-ide
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Which of the following correctly shows a prefix used in naming binary molecular compounds with its corresponding number?
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Nona-, 9
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Why must chemical equations be balanced?
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To satisfy the law of conservation of mass.
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What is one mole equal to?
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6.02 x 10^23
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In a combustion reaction, one of the reactants is always what?
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Oxygen
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Which of the following is transferred due to a temperature difference?
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Heat
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What are the numerical values of STP defined as?
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273 K and 101.3 kPa
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What happens to the temperature of an object as the kinetic energy of the object increases?
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It increases.
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