Helium is used in balloons because it is much less dense than air, allowing the balloons to float and is completely nontoxic and nonflammable unlike hydrogen, which is otherwise a superior lifting gas.
helium
Helium is used for inflating balloons and dirigible airships.
Helium
Helium is an element. It is used to fill balloons and things.
helium
because helium gas is lighter
Helium is used in balloons because it has small atoms and it has a low density.
Helium is used instead of hydrogen because it is nonflammable.
Helium is used in blimps and balloons. It is the second lightest element to hydrogen, which is not used because it is highly flammable.
either for balloons, or whip it's.
Yes, helium weather balloons are commonly used.
helium
Lighter than air and not hazardous.
Helium is a gas used to inflate lighter than air balloons.
helium balloons and make your voice sound weird
Balloons are not called helium; they can be filled with helium because this gas is not flammable and has a very low density.
Balloons are not called helium; they can be filled with helium because this gas is not flammable and has a very low density.