4. What percentage of any radioactive isotope remains after 4 half-lives?
12.5%
3.125%
...
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The difference between the atomic number of an element and the element’s atomic mass is the number of ions.
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Aman applies a force of 500n to push a truck 100m down the street how much does he do?
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Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.
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