Chemistry, 09.12.2021 07:20 katrinajernae8216
Element X has a half life of 5,700 years. When 50% of the original Element X is still remaining how many years have gone by?
Answers: 1
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Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?
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This drawing shows a human body system. what is the primary function of this body system?
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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.
Answers: 2
Element X has a half life of 5,700 years. When 50% of the original Element X is still remaining how...
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