Exam (elaborations)
CHEM 1210 TOP Study Guide Questions and CORRECT Answers
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ex 1 - How many protons, electrons, and neutrons does an atom of 219Rn contain? Enter each answer as a number. protons: electrons: neutrons: - 86 86 133 Which of these has four and only four significant figures? - 53.50 mol Calculate the result, and choose the answer with the correct num...
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