Chemistry

What is the fourth most abundant element in the universe by mass?

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What isotope of carbon can be used to figure out how old some objects are or when something died?
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Which metal contains 60% copper and 40% zinc?
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What will happen to most matter that is heated?
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What is the usual ounce capacity of a jigger?
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Compounds of what element are used in soaps, fertilizers, explosives, and matches?
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Which of the following is a compound?
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Acetone is present in which of the following products?
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Selenium came from the Greek word "selene", which means what word in English?
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