What percentage of a radioactive isotope remains after 4 half-lives?
6.25%
66.7%<...
Chemistry, 05.10.2019 13:00 afletcher2000
What percentage of a radioactive isotope remains after 4 half-lives?
6.25%
66.7%
6.67%
62.5%
Answers: 3
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In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right
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Compare and contrast the bohr model and the electron cloud models of the atom.
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Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
Answers: 3
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