Question

you inflate a balloons with helium the balloons feel stiff, which properties of a gas best explains this observation

the particles are moving quickly and far apart

the particles are closley packed and vibrate in place

the particles slide past each other and are close together

the particles are closley packed and are moving very quickly

Answer 1

I am pretty sure is is the last one because helium is a compacted gas and when they are like that they move fast... don't take my work for it though