Chemistry
What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
More Questions from Chemistry
What symbol appears on the periodic table for Thorium which has the atomic number 90?
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What would you call the treatment of disease, usually cancer, by chemical agents?
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A compound or molecule that is composed of carbon, oxygen and hydrogen best fits which science term?
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What is the second most common metal on Earth, and the most widely-used metal?
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What are proteins that help speed up chemical reactions called?
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