Chemistry
What group of elements include lithium, sodium, potassium, rubidium, cesium, and francium?
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What is the total energy of particles in matter called?
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What sort of change happens to a head of lettuce when you cut it in half?
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Nitrogen on the periodic table is noted by which symbol?
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The spontaneity of a reaction is determined by which of these?
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What is added to drinking water and to swimming pools to serve as a disinfectant?
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What radioactive metallic element, found in all uranium ores, has an atomic number of 89?
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