Chlorine

17.Chlorine Cl~(35.453 g/mol)

Topic covered

Chlorine

Chlorine gas

Wikipedia chlorine

Wikipedia chlorine

Details of chlorine

Latin name:

Сhlorum

English name:

Chlorine

Year discovered:

1774

CAS Number:

CAS7782-50-5

Discovered by:

Carl Wilhelm Scheele

Image

Image source - Google | Photo by image of elements

Electron shell:

K2 L8 M7 N0 O0 P0 Q0 R0

Electrons:17

Protons:17

Neutrons:18

Atomic number:

17

Atomic weight (Relative atomic mass):

35.453(g/mol)

Density:

0.003214 (g/cm³) (g/cm³)

Melting point:

-100.98°C   =   -149.76°F   =   172.17K

Phase:

Gas

Boiling point:

-34.6°C   =   -30.28°F   =   238.55K

Valence:

I, III, V, VII

Period:

3

Group:

VIIA

Block:

p - block

Electron configuration:

[Ne]3s2 3p5

1s2 2s2 2p6 3s2 3p5

Oxidation states:

-1,+1,+2,+3,+4,+5,+6,+7

Ion charge:

Cl-

The ionisation potential of an atom:

12.96 (eV)

Atomic radius:

99 (pm)

Covalent radius:

99 (pm)

Van der Waals radius:

175 (pm)

Electronegativity:

3.16

Valence:

I, III, V, VII

Electron affinity:

349 (kJ/mole)

Electrical conductivity:

0.01 (S/m)

Electrical type:

Dielectric

Magnetic type:

Diamagnetism

Volume magnetic susceptibility:

-0.0000000231

Mass magnetic susceptibility:

-0.0000000072

Resistivity:

100m (mΩ)

Superconducting point:

----

Crystal structure:

Orthorhombic

Grid parameters:

a=6.29 Å; b=4.50 Å; c=8.21 Å

Attitude c/a :

----

Debye temperature:

----