A radioisotope lab created a new radioactive isotope. In order to determine the half-life of the new isotope, workers measured its mass over time and plotted their data on the curve below.
What was the half-life of the new isotope?
How much of the sample had decayed after 9 minutes?
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The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
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A radioisotope lab created a new radioactive isotope. In order to determine the half-life of the new...
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