Chemistry
Which of these can take on either a positive or negative charge, typically being a protein?
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What is the oxidation number on the chromium in a dichromate ion "(Cr2O7)^2-"?
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What symbol appears on the periodic table for Plutonium which has the atomic number 94?
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Gold, silver, lead, and copper exhibit the properties of which of the following crystal systems?
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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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Which element is commonly used in catalytic converters due to its properties as a reducing agent?
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What branch of chemistry is concerned with the chemistry of living organisms?
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