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An atom of magnesium with 12 protons, 12 electrons and 14 neutrons has a mass number of
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Embryos of different species look very similar, which shows that the organisms share a ancestor.
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Why doesn't heat added to water make the tempature rise above 100c
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What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k
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An atom of magnesium with 12 protons, 12 electrons and 14 neutrons has a mass number of...
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