Register
Which nuclide has a half-life that is less than one minute? (1) cesium-137 (3) phosphorus-32 (2) francium-220 (4) strontium-90
93.5k views
2 votes
Which nuclide has a half-life that is less than one minute?

(1) cesium-137 (3) phosphorus-32
(2) francium-220 (4) strontium-90

User Eric Auld
by
8.5k points

1 Answer

5 votes
I think a good strategy for these kind of problems is to just choose the atom with the highest mass number. At any rate, the answer actually is (and I guessed it as) (2) Francium-220. It has a half life of about 30 seconds.
User Starson Hochschild
by
8.4k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Which is an example of an atom? A)the smallest unit of Ne B)the smallest unit of p4 C)the smallest unit of NH3 D)the smallest unit of H2O
Link Copied!