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Sort the following compounds from left to right so that the oxygen they contain has increasing oxidation number:
O2; CO; OF2; CaO2; LiO2
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What is the hybridization of the carbon atom in diamond?
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Select the correct name for the following compound: HClO3
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If NA = Avogadro's number, 2 moles of hydrogen sulfide contain exactly...
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Which of the following elements has the highest value of first ionization energy?
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What is the molecular formula of nitrogen gas?
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The most abundant isotope of an element with Z = 26 has A = 56. Select the correct sequence including number of electrons, number of neutrons and number of unpaired electrons.
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Select the maximum amount of gaseous oxygen obtainable from one mole of sulfuric acid.
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Select the substance with the lowest intramolecular bond energy.
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Which characteristic is associated with the principal quantum number in the hydrogen atom?
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