Top Posters
Since Sunday
r
5
m
5
h
5
r
5
t
5
B
5
P
5
s
5
m
5
c
5
c
4
4
New Topic  
islandgurl islandgurl
wrote...
Posts: 145
Rep: 0 0
2 weeks ago

In order to investigate the age of a mineral sample believed to be millions of years old, which would be the best choice of radioactive isotope to measure?



59Fe (t1/2 = 45.1 d)



12C (t1/2 = 5.72 ×103 yr)



53Mn (t1/2 = 3.7 ×106 yr)



40K (t1/2 = 1.2 ×109 yr)



238U (t1/2 = 4.51 ×109 yr)

Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
Author:
Read 9 times
1 Reply
Replies
Answer verified by a subject expert
jaimielaviejaimielavie
wrote...
Posts: 139
Rep: 0 0
2 weeks ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

islandgurl Author
wrote...

2 weeks ago
Helped a lot
wrote...

Yesterday
Thanks for your help!!
wrote...

2 hours ago
Smart ... Thanks!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  824 People Browsing
Related Images
  
 364
  
 282
  
 384
Your Opinion
What's your favorite math subject?
Votes: 315