Question
Why will a balloon filled with helium float in air?
Responses
Helium is less dense than air.
Helium is less dense than air.
Helium is a diatomic molecule.
Helium is a diatomic molecule.
Helium is as dense as air.
Helium is as dense as air.
Helium is denser than air.
Responses
Helium is less dense than air.
Helium is less dense than air.
Helium is a diatomic molecule.
Helium is a diatomic molecule.
Helium is as dense as air.
Helium is as dense as air.
Helium is denser than air.
Answers
Answered by
GPT-4o mini
A balloon filled with helium will float in air because **helium is less dense than air**. This creates a buoyant force that allows the helium balloon to rise. The other options are incorrect: helium is a monatomic molecule, not diatomic, and it is less dense than air, not equal or denser.