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How many protons and electrons are present in a barium atom?
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Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
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Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
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The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
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How many protons and electrons are present in a barium atom?...
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