The nucleus 22Na undergoes B+ decay with a half life of 2.6 years (note: 1 year = 3.2 x 107 seconds). You start out with a sample of 22Na with an activity of 3.0 x 10 4 Bq. What is the number of 22Na atoms in your initial sample?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Nuclear Physics concept. You can view video lessons to learn Nuclear Physics. Or if you need more Nuclear Physics practice, you can also practice Nuclear Physics practice problems.
How long does this problem take to solve?
Our expert Physics tutor, Juan took 2 minutes and 27 seconds to solve this problem. You can follow their steps in the video explanation above.