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Periodic table
Characteristics of the element
Symbol:
H
Name:
Hydrogen
Latin name:
Hydrogenium
Atomic number:
1
Atomic mass:
1,00794
Melting point:
-259,125 (°C)
Boiling point:
-252,882 (°C)
Density
0,0826 (g/cm
3
)
Electronegativity:
2,2
Oxidation number:
-I,I
Number of neutrons:
0
Crystal structure:
Hexagonal
Chemical serie:
Nonmetals
Color:
colorless
Electron configuration:
1
Year of discovery::
1766
Compounds
Symbol
Name
Next information
Ce(OH)
4
Hydroxid ceri?itý
more
TiH
Hydrid titanu
more
ZrH
Zirkonium Hydride
more
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Update: 26.11.25