A radioactive element 235U is present in a Zircon sample with 3500 atoms. It is known that 235U has a half-life of 700 million years. How long would it take to decay to 115 atoms? 3200.12 million years B 3449.35 million years 3825.00 million years 3500.45 million years
A radioactive element 235U is present in a Zircon sample with 3500 atoms. It is known that 235U has a half-life of 700 million years. How long would it take to decay to 115 atoms? 3200.12 million years B 3449.35 million years 3825.00 million years 3500.45 million years
Related questions
Question
![A radioactive element 235U is present in a Zircon sample with 3500 atoms. It is known that 235U has a half-life of 700 million
years. How long would it take to decay to 115 atoms?
A
3200.12 million years
В
3449.35 million years
3825.00 million years
3500.45 million
years](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2a017a83-14ba-42e0-bacb-104e84048651%2Ff87a453f-71ec-4132-b0cc-ba5c8a8d92b9%2Fyap3fho_processed.png&w=3840&q=75)
Transcribed Image Text:A radioactive element 235U is present in a Zircon sample with 3500 atoms. It is known that 235U has a half-life of 700 million
years. How long would it take to decay to 115 atoms?
A
3200.12 million years
В
3449.35 million years
3825.00 million years
3500.45 million
years
![A radioactive element 235U is present in a Zircon sample with 3500 atoms. It is known that 235U has a half-life of 700 million
years . What is the proportionality constant?
A
700 In 2
700 In
1
In 2
700
700 h을
D
In](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2a017a83-14ba-42e0-bacb-104e84048651%2Ff87a453f-71ec-4132-b0cc-ba5c8a8d92b9%2Fu6xcg1w_processed.png&w=3840&q=75)
Transcribed Image Text:A radioactive element 235U is present in a Zircon sample with 3500 atoms. It is known that 235U has a half-life of 700 million
years . What is the proportionality constant?
A
700 In 2
700 In
1
In 2
700
700 h을
D
In
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)