1. Half life of l-131 is 8 days and it weighs 20 mg. After 4 half lives, the amount left undecayed will be:

1. Half life of l-131 is 8 days and it weighs 20 mg. After 4 half live

1.	1. Half life of l-131 is 8 days and it weighs 20 mg. After 4 half lives, the amount left undecayed will be:
Answer» Figure 10.3. 1: The half-life of iodine-131 is EIGHT days. Half of a GIVEN SAMPLE of iodine-131 decays after each eight-day time period elapses. Half-lives have a very WIDE range, from billions of years to fractions of a second....10.3: Half-Life.Nuclide Half-Life (t1/2) Decay ModeUranium-238 4.47×109 years αExplanation:Hope it HELPS you

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1. Half life of l-131 is 8 days and it weighs 20 mg. After 4 half lives, the amount left undecayed will be:​

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1. Half life of l-131 is 8 days and it weighs 20 mg. After 4 half lives, the amount left undecayed will be: