You can use air but it won't float so I would recommend helium. If you suck in helium, it will make your voice sound weird.... Try it!!
The abbreviation for gas helium is He.
If you are a gas with two protons in your nucleus, you are helium. Helium is a noble gas known for being lightweight and non-reactive.
Helium is a colorless, odorless, tasteless and non-toxic gas at room temperature. It exists as a monatomic noble gas and is therefore inert and unreactive. It belongs to group 0 of the Periodic Table of Elements.
Helium is pure as it is on the periodic table.
Helium
You can use air but it won't float so I would recommend helium. If you suck in helium, it will make your voice sound weird.... Try it!!
Helium to get them to float.
It uses gas from the sun.
Helium
The abbreviation for gas helium is He.
Helium has a low density and causes balloons and blimps to float
Helium is a gas.
helium is a gas
Gas. Helium is a gas.
Helium, easy to header
Yes. Helium is a gas