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Hydrogen at Chemical Elements.com
Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page


Basic Information


Name: Hydrogen
Symbol: H
Atomic Number: 1
Atomic Mass: 1.00794 amu
Melting Point: -259.14 °C (14.009985 K, -434.45203 °F)
Boiling Point: -252.87 °C (20.280005 K, -423.166 °F)
Number of Protons/Electrons: 1
Number of Neutrons: 0
Classification: Non-metal
Crystal Structure: Hexagonal
Density @ 293 K: 0.08988 g/cm3
Color: colorless


Atomic Structure

[Bohr Model of Hydrogen]  
Number of Energy Levels: 1

    First Energy Level: 1

Isotopes

Isotope Half Life
H-1Stable
H-2Stable
H-312.3 years

Facts


Date of Discovery: 1766
Discoverer: Henry Cavendish
Name Origin: From the Greek words hudôr (water) and gennan (generate)
Uses: Balloons, metal refining
Obtained From: mines, oil, gas wells

Related Links

Note: The external links below are not a part of this site and their content is not the responsibility of this site
  1. Pure Power
    • Information about hydrogen-powered cars
  2. Chemical Of The Week -- Hydrogen
    • From the University of Wisconsin-Madison
If you know of any other links for Hydrogen, please let me know

MLA Format for Citing This Page


Bentor, Yinon. Chemical Element.com - Hydrogen. <http://www.chemicalelements.com/elements/h.html>.

For more information about citing online sources, please visit the MLA's Website.

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