Thursday, October 2, 2014


Hydrogen is a chemical that all by itself is a gas in the air.
There is more hydrogen in the universe than any other type of element!

Many types of molecules have hydrogen in them.
Like water is hydrogen and oxygen.
A very strong dangerous acid is hydrochloric acid, made from hydrogen and chlorine.
A chemical sometimes used for cleaning is hydrogen peroxide, which is hydrogen and oxygen.
In the sun's core, hydrogen is part of what makes all the energy for the sun.
There is a type of battery called a hydrogen fuel cell that uses hydrogen to help make energy.

There are many uses for hydrogen, it's a good thing there is so much of it!

(from: wikipedia - hydrogen)

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