Chemistry
What is the oxidation number on the chromium in a dichromate ion "(Cr2O7)^2-"?
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What is the stinky gas associated with swamps and anaerobic decomposition?
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What symbol appears on the periodic table for the element with the atomic number 66?
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If nitrous oxide is added to an engine, what will the effect be?
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What number is also the same as proton number and the number of electrons of a neutral atom?
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What is the symbol used on the periodic table for the element Fluorine?
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When cutting onions what is released in the air that makes a person tear?
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What solution contains the same ratio of chemical constituents after it is distilled?
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