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When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
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What substance has a mass of 9.5g and volume of 2.1cm^3
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How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
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What is the mass number of an atom that consists of 20 protons, 20 neutrons, and 18 electrons?...
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