Today,uranium contains 

(half-life = 0.70 billion years) and 

(half-life = 4.5 billion years) .At a time 1.9 billion years ago,what was the fraction of 
In uranium?
A) 3.53%
B) 4.72%
C) 4.90%
D) 6.76%
Correct Answer:
Verified
Q114: A sample of wood has been recovered
Q115: Fermium-253 has a half-life of 3.00 days.A
Q116: What mass of 14C,with a half-life of
Q117: One material used in nuclear bombs is
Q118: A hospital patient has been given a
Q120: Plutonium has a half life of 2.4
Q121: A proton strikes an oxygen-18 nucleus,producing fluorine-18
Q122: When a neutron collides with a uranium-235
Q123: If a 2.0-MeV neutron released in a
Q124: An electron and a positron,both essentially at
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents