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Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?
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Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
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Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
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Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best descr...
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