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Q22: What is the percent by mass nitrogen
Q32: The oxidation number of nitrogen given for
Q45: Which of the following isotopes is not
Q51: How many ether isomers have the formula
Q57: A sievert is:<br>A)the amount of sample that
Q77: Chemical reactions between nonmetals and nonmetals primarily
Q81: Nitrogen-14 (14.003074 amu)is synthesized in the sun
Q91: A sample of thallium(III)peroxide,Tl<sub>2</sub>(O<sub>2</sub>)<sub>3</sub>,contains 2.45 mol of
Q93: What is the oxidation number of Ba
Q271: What class of hydrocarbons has the general