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The basic building block of matter |
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The physical states of matter |
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A chemical combination of two or more elements |
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mixtures, elements, and compounds |
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The chemical states of matter |
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The smallest particle into which a compound can be divided and still retain its physical properties |
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neutrons, electrons, and protons |
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The electrical particles of the atom |
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The negative and positive charge symbols |
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A common analogy for the Bohr atomic model |
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may not be equal to the number of protons |
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The number of neutrons in an atom |
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weight ratio to another element |
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The atomic weight of an atom is determined by |
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The electrons in the atom can be found in specific |
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Free" electrons can be found in the |
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atom that has a net charge |
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Elements that have many free electrons are classified as: |
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increase by a factor of three |
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Two quantities are directly proportional to each other. If one quantity is increased by a factor of three, the other quantity will: |
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decrease by a factor of four |
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Two quantities are inversely proportional to each other. If one quantity is increased by a factor of four, the other quantity will: |
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The law of charges states that: |
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An atom has seven protons and seven electrons. The atom is/has: |
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An atom has eight protons and seven electrons. The atom is/has: |
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An atom has eight protons and nine electrons. The atom is/has: |
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A(n) ____________________ is a substance that cannot be chemically broken down into simpler substances. |
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A chemical combination of two or more elements is called a(n) ____________________. |
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A ____________________ is a combination of substances where the individual elements possess the same properties as when they are alone. |
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The building blocks of all matter |
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Electrons contain a ____________________ charge |
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Protons contain a ____________________ charge. |
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found in the outermost shell are called ____________________ electrons. |
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A stable atom has ____________________ electrons in the valence shell. |
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An atom that is electrically unbalanced is called a(n) ____________________. |
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Gold is classified in electricity as a(n) ____________________. |
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The load receives energy from the ____________________. |
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Energy is the ability to do ____________________. |
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Static electricity is generated by ____________________. |
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A generator produces electricity by converting ____________________ energy. |
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If the distance between two charged bodies is doubled, the original force between them will be ____________________. |
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One coulomb is equal to the combined charges of ____________________ electrons. |
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The charge of one electron is ____________________ coulomb. |
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The thermocouple produces electricity by converting ____________________ energy into electrical energy. |
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A(n) ____________________ converts chemical energy into electrical energy. |
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The movement of ____________________ is called current |
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If four coulombs flow in one-half second, the current is equal to ____________________ amperes. |
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Five amperes of current flow with a total of ten coulombs will have a time value of ____________________ seconds. |
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A current flow of five amperes will ____________________ if the time is decreased by one-half. |
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The unit symbol for resistance is the Greek letter ____________________. |
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____________________ designates the differences in charges between two points. |
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A(n) ____________________ circuit refers to an unintentional and abnormally low resistance path for current flow |
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A(n) ____________________ circuit refers to an unintentional and abnormally high resistance path for current flow. |
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