11.3k views
16 votes
a radioactive element has a half-life of 3,000 years. if a sample of this element begins with a mass of 60 grams, how long would you have to wait for the mass to decrease to 15 grams

User Galdo
by
4.8k points

1 Answer

5 votes

Answer:

N = 60 g

Half life : N/2 = 3000

N/4 = 15 g

User Paulo Taylor
by
4.9k points