Chemistry
What symbol appears on the periodic table for Thorium which has the atomic number 90?
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What is the symbol used on the periodic table for the element Chlorine?
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What is a combination of substances that still remain intact?
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What is the oxidation number on the chromium in a dichromate ion "(Cr2O7)^2-"?
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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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Which of the following ionic solids would you expect to have the highest lattice energy?
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Which of the following best describes what water is?
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