Chemistry, 14.04.2021 19:50, xXFLUFFYXx

A specific radioactive isotope is presented for our scientific evaluation for possible use of this isotope within the field of radioisotopic medical tracers. At 1 pm, there are 5.6 grams and at 7 pm, there are 3.2 grams. What's the half-life? A) about 3.2 hours
B) about 7.4 hours
c) about 17.1 hours
D) over 24 hours

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A specific radioactive isotope is presented for our scientific evaluation for possible use of this i...