Chemistry

Which element has the lightest atomic weight?

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Which creature uses its Jacobson's Organ to identify chemical signals?
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What are substances that control the rates of chemical reactions?
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Acetic acid gets its name from which of the following?
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What element does hydrogen combine with to make the compound water?
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What is the only metallic element that is liquid at standard conditions for temperature and pressure?
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Which of the following words mean "made stronger"?
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Which branch of chemistry deals with the determination of the chemical composition of substances?
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What orbits the nucleus of an atom?
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