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A cylinder of oxygen (O2) gas at STP has a volume of 2.75 L. How many oxygen molecules does it contain?
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Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.
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Avariable that is not being directly tested during an experiment should be
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Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17
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A cylinder of oxygen (O2) gas at STP has a volume of 2.75 L. How many oxygen molecules does it conta...
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