× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
e
5
e
4
4
d
4
o
3
p
3
t
3
3
m
3
p
3
m
3
f
3
New Topic  
Argentina Argentina
wrote...
Posts: 504
Rep: 0 0
6 years ago
A pure sample of 226Ra contains 2.0  1014 atoms of the isotope. If the half-life of 226Ra = 1.6  103 years, what is the decay rate of this sample? (1 Ci = 3.7  1010 decays/s)
Read 237 times
1 Reply
Replies
Answer verified by a subject expert
nena1107nena1107
wrote...
Posts: 336
Rep: 4 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free

Related Topics

Argentina Author
wrote...

6 years ago
Smart ... Thanks!
wrote...

Yesterday
Thanks
wrote...

2 hours ago
this is exactly what I needed
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  956 People Browsing
Related Images
  
 320
  
 590
  
 307