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Flashcards for Chem 1411 Final Exam Review
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How many protons does an atom of 118Xe contain?
54
Different isotopes of a particular element contain the same number of what?
protons
The formula for nitrobenzene is C6H5NO2. What is the molecular weight of this compound?
123.0
The mass % of C in methane (CH4) is what?
74.9
What is the name of the compound Na2SO4?
sodium sulfate