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The technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a patient how much remains after 18 hours?
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In a ball-and-stick molecular model, what do the sticks represent?
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According to thomson, the atom is a positively charged cloud with electrons scattered throughout. what would the alpha particles do when they hit the foil if thomson were correct
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The technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a
patient ho...
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