If the half-life of iodine-131 is 8 days, how old is a sample if only ¼ of the original amount remains? Write 2 – 3 sentences explaining your reasoning.
Question : Nuclear Changes a. Write the symbol for the nucleus that completes the following nuclear equation: b. Write the symbol for the nucleus that completes the following nuclear equation: c. If the half-life of iodine-131 is 8 days, how old is a sample if only ¼ of the original amount remains? Write 2 – […]