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Nitrogen-13 has a half-life of 10 minutes. how much of a 128 mg sample would remain after 20 minutes?
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How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
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This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.
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Label a-f based on the table using c for concentrated and d for dilute
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Nitrogen-13 has a half-life of 10 minutes. how much of a 128 mg sample would remain after 20 minutes...
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