Chemistry

Which noble gas has "A" as its first letter?

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Which mineral water company had to admit in 1990 that they artificially carbonated their product?
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What element forms a brilliant mirror when it is painted on glass?
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Which of the following is a metal?
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The dumping of most toxic chemicals into the ocean was banned by what treaty?
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How many structural isomers does propane have?
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What would you call the treatment of disease, usually cancer, by chemical agents?
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What is essential for calcium absorption by the human body?
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Which of these helps determine what state of matter a substance is in?
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