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Periodic table
Characteristics of the element
Symbol:
Cl
Name:
Chlorine
Latin name:
Chlorum
Atomic number:
17
Atomic mass:
35,4527
Melting point:
-104,55 (°C)
Boiling point:
-34,04 (°C)
Density
3,214 (g/cm
3
)
Electronegativity:
2,8
Oxidation number:
-I,I,III,IV,V,VII
Number of neutrons:
18
Crystal structure:
Orthorhombic
Chemical serie:
Halogens
Color:
green
Electron configuration:
2-8-7
Year of discovery::
1774
Compounds
Symbol
Name
Next information
CeCl
3
Chlorid ceritý
more
CsCl
Chlorid cesia
more
LaCl
3
Chlorid lathanitý
more
LaReCl
3
Chlorid Lathan-Rhenia
more
NdCl
3
Chlorid neodya
more
PrCl
3
Chlorid praseodymitý
more
RbCl
Chlorid rubidia
more
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Update: 26.11.25