Ask a New Question

The activity of a radioisotope

The activity of a radioisotope is 3000 counts per minute at one time and 2736 counts per minute 48 hours later. What is the
1. 6 answers
2. asked by Michelle
3. 3,884 views
A newly prepared radioisotope has activity 3.7x10^11 Bq. After 4 hours, its activity is reduced to 2.96x10^11.calculatea) decay
1. 0 answers
2. asked by Aboi
3. 479 views
A newly prepared radioisotope has activity 3.7x10^11 Bq. After 4 hours, its activity is reduced to 2.96x10^11.calculatea) decay
1. 0 answers
2. asked by Aboi
3. 471 views
A newly prepared radioisotope has activity 3.7x10^11 Bq. After 4 hours, its activity is reduced to 2.96x10^11.calculatea) decay
1. 0 answers
2. asked by Aboi
3. 488 views
An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long
1. 1 answer
2. asked by Anonymous
3. 513 views
An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long
1. 0 answers
2. asked by Kirsten
3. 539 views
Can someone link me videos and sites that can teach me the formula to solve these? Or try to help me understand how to solve
1. 2 answers
2. asked by Samantha
3. 577 views
Which of the following is true concerning gamma radiation?A. The mass number of the radioisotope decreases by four. B. The
1. 1 answer
2. asked by Cherry
3. 657 views
A radioisotope has a half-life of 4 days. How much of a 20-gram sample of this radioisotope remains at the end of each time
1. 3 answers
2. asked by Stephanie
3. 4,114 views
A certain amount of radioisotope (986.8 x 10-9 kg) is used to make the dial of a watch glow in the dark. If the half-life of
1. 1 answer
2. asked by eric
3. 546 views