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 |