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With a few exceptions, compounds that contain th element hydrogen are organic compounds.
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Carbon
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Scientists can make organic compounds artificially in laboratories.
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True
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A carbon atom has five electrons in its outermost energy level.
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Four
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A compound made up of only oxygen and carbon atoms is called a hydrocarbon.
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Hydrogen
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Hydrocarbon containing only single-bonded carbon atoms are unsaturated hydrocarbons.
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Saturated
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Hydrocarbons that contain at least one double or triple bond are unsaturated hydrocarbons.
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True
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Compounds that have identical chemical formulas but different molecular and structural formulas are called isotopes.
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Isomers
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A triple bond is formed when two carbon atoms share three pairs of electrons.
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True
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A double bond is formed when two carbon atoms share one pair of electrons.
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2 pairs
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Bonds formed between carbon atoms are ionic bonds.
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Covalent
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The natural gas methane is an example of a hydrocarbon.
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True
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In a structural formula, three lines indicate that there is a single bond between atoms.
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Triple
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Carbon can bond with as many as four other carbon atoms.
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True
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Winter green scent is due largely to the ____ of an aromatic compound.
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Aroma
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An alcohol produced by the fermentation of sugar in corn, grains, and fruits has the formula C2H5OH and is called ____.
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Ethanol
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