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An atom contains one proton, one electron, and one neutron. which two particles are most similar in mass?
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Asolution of sodium hydroxide was titrated against a solution of sulfuric acid. how many moles of sodium hydroxide would react with 1 mole of sulfuric acid?
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Who discovered a pattern to the elements in 1869?
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An atom contains one proton, one electron, and one neutron. which two particles are most similar in...