Chemistry
What symbol appears on the periodic table for the element with the atomic number 18?
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What element, used in some types of paint, created a health risk to children who ate paint chips?
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What element is the most ductile of the pure metals, but is less malleable than gold?
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What extremely flammable gas was associated with the famous explosion of the Hindenburg airship?
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Which creature uses its Jacobson's Organ to identify chemical signals?
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What alloy is made of copper and zinc and used for decoration for its bright gold-like appearance?
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