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Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
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The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n
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On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density
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If a substance changes color, what has most likely happened...
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