Radon is a monatomic gas having mass number 222 and with a radioactive constant equal to 2.1 × 10 –6 s –1 . Calculate the number of alpha-particles emitted per second by 1 gram of radon at S.T.P. when free from any impurity.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. Given:
Mass of radon 
Molar mass 
Number of atoms:
Activity:
Each disintegration emits one 
-particle.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Radioactive substance do not emit
The half life period of radium is 1600 years. The fraction of a sample of radium that would remain …
During a negative beta decay
Some radioactive nucleus may emit
Which can pass through 20 cm thickness of the steel
The half-life period of radium is 1600 years. Its average life time will be