What is the appearance of helium?

Answer 1

You can't see helium at all unless you add something to it so you can see it. If you do that, then it's not in its pure form. I think it's impossible to tell what an invisible gas looks like in its pure form.

If you pass an electric current through helium then you will be able to see it. All noble gasses turn colored when electricity is passed through them.

Answer 2

Chlorine is a gas which exists in diatomic form. Its formula is Cl2.

This is a pale yellow-green gas that has its distinctive strong smell, the smell of bleach. The bonding between the two atoms is relatively weak

Answer 3

Helium is a colourless gas. It is an inert gas

(it is not made from the sun or rocks! as one contributor claimed!) It has a low density and is used in balloons , it floats readily because the weight of air displaced is greater than the weight of the balloon- archimedes principle)

Answer 4

Helium is a colorless, odorless, and tasteless gas. It is the second lightest element, after hydrogen, and is typically found in its gaseous form.

Answer 5

it is actually a greenish yellow color and you put it into a pool to purifie drinking water and to dissinfect a pool. it is used as an anitiseptic

Answer 6

It is a pale yellow gas at room temperature, and forms a yellow liquid when cooled to -188 degrees C.

Answer 7

Helium has not compounds; helium (in this elemental form) exist in atmosphere or associated with methane.

Answer 8

oxygen chloride.

Answer 9

it looks like gas,