helium
helium,oxgyen,sodium
Helium is lighter than air
Hydrogen is about 7 lighter than helium.
yes. helium is lighter than earth or even air.
Helium is lighter than hydrogen. Helium has an atomic number of 2, which means it has two protons and two neutrons in its nucleus, making it lighter than hydrogen, which has only one proton in its nucleus.
its the 2nd element on the periodic table and it makes things lighter, such as helium balloons, which float as helium is lighter than air
because helium gas is lighter
helium
Yes, helium will float in water. Helium is lighter than air, so it will also be lighter than water and rise to the surface when submerged in water.
helium is used in gas ballons .it is the lighter gas
because helium is lighter than air
Yes. Helium is lighter than air.