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[ATOM]

Hydrogen

[ATOM]
Information valid for H-1 unless otherwise noted

Basic Information


Symbol: H
Atomic Number: 1
Mass: 1.00794
Melting Point: -259.14 C
Boiling Point: -252.87 C
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

  1. First Energy Level: 1

Isotopes

Isotope Half Life
H-1 Stable
H-2 Stable
H-3 12.3 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
  2. sci.energy.hydrogen
  3. The American Hydrogen Association
  4. Hydrogen Bonding
  5. Why use hydrogen?
  6. Hydrogen InfoNet
  7. Chemical Of The Week -- Hydrogen
  8. HHMI Laboratory Safety: Hydrogen