Chemistry, 26.11.2019 06:31 nocomprendoplshelp

Half of a sample of cobalt-60 decays after 5.26 years to form atoms of another element. half of a sample of iodine-131 decays after 8.1 days to form atoms of another element. which best explains this difference? 1choice 1 iodine-131 has a smaller atomic number than cobalt-60. 2choice 2 iodine-131 has a shorter half-life than cobalt-60. 3choice 3 iodine-131 has a smaller atomic mass than cobalt-60. 4choice 4 iodine-131 has half the radioactive energy of cobalt-60.

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Half of a sample of cobalt-60 decays after 5.26 years to form atoms of another element. half of a sa...

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