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Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife
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Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
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Sugar is dissolved in water. which is the solute? sugar neither both water
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When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
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What is 3,920,000,000,000 in scientific notation?
3.92×1010
3.92×1012
3.92...
3.92×1012
3.92...
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