Hydrogen

=**Hydrogen**=

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 * Atomic Number:** 1

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 * Protons:** 1

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 * Electrons:** 1

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 * Atomic Mass:** 1.008 amu

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 * Isotopes:** H-1, H-2, and H-3


 * Discovery:** Hydrogen was discovered by Sir Henry Cavndish in 1766.

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 * Name:** The name Hydrogen means to "water making," because when hydrogen burns it produces water vapor by combining with oxygen.

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 * Uses:** Hydrogen is used in rocket fuel. It is also used in fuel cell vehicles, such as the [|Honda FCX] instead of gasoline. Hydrogen used to be used to fill blimps like the [|Hindenburg]. Hydrogen gas is extremely flammable and people stopped using it after the [|Hindenburg] disaster shown in the picture.


 * Interesting Facts:** Hydrogen is the most common element in the universe. By weight, 90% of the universe is made of Hydrogen atoms. Hydrogen is found in water.


 * Video:**

media type="youtube" key="fesgl5Cs5FY" height="344" width="425" = =

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 * Sources:**
 * [|Hydrogen on WebElements]
 * [|History of Hydrogen on WebElements]
 * [|Isotopes of Hydrogen on WebElements]
 * Photo: [|Hindenburg Disaster by Estrategyblog.com on Flickr]
 * Video: [|Hydrogen from the Periodic Table of Elements on YouTube]