Solved

Potassium-40 Decays to Argon-40 with a Half-Life of 1

Question 94

Multiple Choice

Potassium-40 decays to argon-40 with a half-life of 1.27 × 109 yr. The age of a mineral sample that has a mass ratio of 40Ar to 40K of 0.712 is __________ yr.


A) 1.78 × 109
B) 1.11 × 109
C) 1.61 × 109
D) 6.83 × 108
E) 9.85 × 108

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q2: The half-life of a radionuclide _.<br>A)is constant<br>B)gets

Q17: _ discovered radioactivity.

Q27: Which one of the following is true?<br>A)Some

Q79: Which type of radioactive decay results in

Q85: What happens to the mass number and

Q90: This reaction is an example of _.

Q95: Carbon-11 decays by positron emission: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1822/.jpg"

Q99: The mass of a proton is 1.673

Q153: What drives the turbine in a nuclear

Q168: Bombardment of uranium-238 with a deuteron (hydrogen-2)generates