 | Hydrogen | Atomic Number: 1 |
- Overview
Property Value Units 1.0079
0.0899
Hydrogen is a colorless, odorless gas at room temperature. It is highly flammable.
- Thermal Properties
Thermal Properties
Property Value Units -259°C
-253°C
1.293 MPa
32.97°C
0.558 kJ/mol
0.452 kJ/mol
14300 J/kg·K
0.1805 W/m·K
- Electon Configuration
1s1
K L M N O P Q 1 0 0 0 0 0 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1776
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 1
H
1
Protium H 1 Stable 99.9885 - - 0 0.5 2.79284739 1
D
2
Deuterium D 2 Stable 0.0115 - - 1.112283 1 0.85743823 1
T
3
Tritium T 3 
0 12.329 Y B- 2.927266 0.5 2.97896248 1
H
4
Hydrogen-4 H 4 0 .000000000000139 n 1.400351 2 0 1
H
5
Hydrogen-5 H 5 0 .00000000000091 2n 1.33636 0.5 0 1
H
6
Hydrogen-6 H 6 0 .00000000000029 n, 3n 0.963633 2 0 1
H
7
Hydrogen-7 H 7 0 .000000000000002 2n 0.9401 0.5 0 Isotopic mass data for stable isotopes is from:
G. Audi, A.H. Wapstra in Nuclear Physics A, 1993, 565, 1-65
and
G. Audi, A.H.Wapstra in Nuclear Physics A, 1995, 595 409-480.Natural abundance data is from:
K.J.R. Rosman, P.D.P. Taylor in Pure Appplied Chemistry, 1999, 71, 1593-1607.- Occurance
In the Universe 75% In the Sun 75% In Meteorites 2.4% In the Earth's Crust 0.15% In Seawater 11% In the Human Body 10% - Chemistry
-
The Chemistry of Hydrogen
Hydrogen is really neat.
- Industrial Uses
The Industrial uses of Hydrogen
Hydrogen is used in numerous ways in industry.
- Production
The Production of Hydrogen
Hydrogen is produced by several methods.
- Models
Pictures, videos and 3D models of the element
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