Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
Radioactivity
A 10g sample of radioactive substances is lift to decay for five half-lives. How much of the radioactive substance remains?
1 answer
after 5 half-lives, 1/2^5 = 1/32 remains
You can
ask a new question
or
answer this question
.
Related Questions
Carbon-14 is a radioactive substance produced in the Earth's atmosphere and then absorbed by plants and animals on the surface
A sample of a radioactive substance decayed to 94.5% of its original amount after a year. (Round your answers to two decimal
An unknown radioactive element decays into non-radioactive substances. In 420 days the radioactivity of a sample decreases by 39
The graph shows the decay of two different radioactive nuclei, Source A and Source B.
How long does it take Source B to complete
The half-life for radioactive decay of 14C is 5730 years (it emits β-particles with energy
of 0.16 MeV). An archaeological
The graph below shows the radioactive decay of rubidium-87.
What percentage of rubidium-87 atoms will be left after three
An unknown radioactive element decays into non-radioactive substances. In 120 days the radioactivity of a sample decreases by 59
How many half lives will it take for a sample of a radioactive isotope containing 20000 radioactive nuclei to decay to 2000
An unknown radioactive element decays into non-radioactive substances. In 100 days the radioactivity of a sample decreases by 64
Which statement is correct about the half-lives of radioactive elements? the half-lives of radioactive elements vary within a