Chemistry
What symbol appears on the periodic table for Beryllium which has the atomic number 4?
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What symbol appears on the periodic table for the element with the atomic number 58?
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Which of these can take on either a positive or negative charge, typically being a protein?
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What is a compound or mixture of chemical compounds that is used to maintain a steady pH?
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What is the chemical term for a peptide; two amino acids linked together?
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The name for iodine comes from the Greek word "iodes", which means what color in English?
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What sort of change happens to a head of lettuce when you cut it in half?
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What are the products of propanoic acid and ethanol when the two are combined with warm sulphuric acid?
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