Which has the greater half-life?
A) Strontum-90
B) Cobalt-60
C) Uranium-238
D) Oxygen-19
E) Hydrogen-3

Name: Which has the greater half-life? A) Strontum-90 B) Cobalt-60 C) Uranium-238 D) Oxygen-19 E) Hydrogen-3
Brand: Quizplus
Rating: 4.7 (48 reviews)

Question

Quizplus · Accepted Answer

Uranium-238 has a half-life of about 4.5 billion years, which is significantly longer than the half-lives of Strontium-90 (about 29 years), Cobalt-60 (about 5.27 years), Oxygen-19 (about 26.9 seconds), and Hydrogen-3 (also known as Tritium, with a half-life of about 12.32 years).

Which Has the Greater Half-Life