| Symbol |
Cl |
|
| Atomic Number |
17 |
Relative Atomic Mass
12C = 12.0000 |
35.4527 |
Atomic Radius
pm |
n/a |
First Ionisation Energy
kJ mol-1 |
1251.1 |
| Electronegativity |
3.16 |
Density
kg m-3 |
2030 [113 K]
1507 [239 K]
3.214 [273 K] |
Molar Volume
cm3 |
17.46 [113 K] |
Thermal Conductivity
W m-1 K-1 |
0.0089 [300 K] |
Melting Point
K |
172.17 |
Boiling Point
K |
239.18 |
| Number of Isotopes |
13 |
Ground State Electron
Configuration |
[Ne]3s23p5 |
| Term Symbol |
2P3/2 |
| Discovery |
Discovered by C.W. Scheele (Uppsala, Sweden) in 1774 |
| Name Derived From |
Greek chloros meaning 'pale green' |
Name in Other
Languages |
 Croatian | Klor |
 Danish | chlor |
 Dutch | chloor |
 Finnish | kloori |
 French | chlore |
 German | Chlor |
 Italian | cloro |
 Norwegian | klor |
 Portuguese | cloro |
 Spanish | cloro |
 Swedish | klor |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
