Chemistry

Which element has the lightest atomic weight?

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Who wrote the book "The Principles of Chemistry"?
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What happens to water when it gets close to freezing?
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Which of the following is a compound?
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Berkelium on the periodic table is noted by which symbol?
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The spontaneity of a reaction is determined by which of these?
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What gas makes soda bubbly?
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What is the name of the protein found in wheat flour?
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What makes matter expand when it's heated and contract when it's cooled?
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