Pt | Chlorine

Basic Information

Name

Chlorine

Atomic Number

Gas Phase

Diatomic

Allotropes

dichloride

Appearance

Pale yellow-green gas

Refractive Index

1.000773

Phase At STP

Gas

Spectrum Image

Source

Wikipedia

Bohr Model

Static

Interactive

Descriptive Numbers

CAS Number

7782-50-5

CID Number

CID24526

RTECS Number

RTECSFO2100000

Mendeleev Number

107

Pettifor Number

Space Group Number

Glawe Number

101

Mass

Atomic Mass

35.45 Da

Periodic Position

X Position

Y Position

Period

Group

Classification

Block

Abundance

Urban Soil

0.285 mg/kg

Seawater

0.019 kg/L

Sun

0.009 mole ratio to silicon

Earth Crust

0.00015 g

Human Body

0.12 %

Solar System

0.0052 mole ratio to silicon

Meteorites

0.037 %

Color

Jmol

#1FF01F

Molcas Gv

#1FF01F

CPK

#00FF00

Atomic Radius

Empirical

100

Calculated

Van Der Waals

175

Bonding

175

Batsanov

180

Rahm

206

Dreiding

395.03

Uff

394.7

Mm3

207

Alvarez

182

Bragg

105

Covalent (Single Bound)

Covalent (Triple Bound)

Covalent (Cordero)

102

Covalent (Pyykko)

Covalent (Pyykko Double)

Covalent (Pyykko Triple)

C12

Temperature

Melting/Freeze (USE)

171.6 °K

Melting/Freeze (WEL)

171.6 °K

Melting/Freeze (CRC)

171.5 °K

Melting/Freeze (LNG)

171.5 °K

Boiling/Density (USE)

239.11 °K

Boiling/Density (WEL)

239.11 °K

Boiling/Density (CRC)

238.96 °K

Boiling/Density (LNG)

238.96 °K

Boiling/Density (Zhang)

239 °K

Critical Temperature

416.9 °K

Critical Pressure

7.991 MPa

Density

STP

3.2 kg/cm³

Gas

3.2 kg/cm³

Heat

Molar Volume

22,412.90 cm³/mol

Atomic Volume

18.7 cm³

Heat Of Fusion USE

6.41 kJ/mol

Heat Of Fusion CRC

6.4 kJ/mol

Heat Of Fusion LNG

6.406 kJ/mol

Evaporation USE

20.41 kJ/mol

Evaporation CRC

20.41 kJ/mol

Evaporation LNG

20.41 kJ/mol

Evaporation Zhang

20.4 kJ/mol

Heat Capacity CRC

33.949 J/gK

Heat Capacity LNG

33.95 J/gK

Heat Capacity WEL

33.91 J/gK

Thermal Conductivity

0.009 W/m*K

Adiabatic Index

42862

Speed of Sound

Fluid

206 m/s

Electrical Resistance

293k

10^9 nΩm

Magnetic Properties

Order

Diamagnetic

Susceptibility

-7.2e-9 m3/kg

Etymology

Description

It is the halogen element. It is greenish yellow, poisonous and gaseous. It is abundant in nature as sodium chloride in seawater. It is a strong oxidizing agent that reacts directly with many elements and compounds. It was discovered by Karl Scheele in 1774. In 1810, Humphrey David confirmed that it was an element.

Language Of Origin

Greek

Origin Of Word

From the Greek word chloros meaning "greenish yellow"

Meaning

pale green

Symbol Origin

descriptive (color): Greek chloros

Etymological Description

It comes from the Greek word chlorós, meaning "yellowish green" or "greenish yellow", due to its color in gaseous state.

Discovery & Isolation

Observed/Predicted By

W. Scheele

Observed/Discovery Year

1774

Discovery Location

Isolated Sample By

W. Scheele

Isolated Sample Year

1774

Production & Use

Sources

Salt (sodium chloride, NaCl) is the most common compound. Commercial amounts are obtained by electrolysis of aqueous sodium chloride (sea water or brine in salt mines).

Uses

It is used in water purification, bleaches, acids, and many other compounds such as chlorofluorocarbon (CFC).

Radioactivity

Half Life

Stable

Lifetime

Stable

Neutron Mass Absorption

0.033

Neutron Cross Section

35.3

Electron Affinity

Proton Affinity

513.6

Electron Affinity (eV)

3.612725

Electron Affinity (kJ/mol)

348.575

Electron Affinity (pauling)

3.16

Electron Affinity (allen)

16.97

Electron Affinity (ghosh)

0.263803

Dipole Polarity

Accepted

14.6

Uncertainty

0.1

C6 GB

97.1

C6 Coefficient

94.6

Lattice

Constant Internal Default Radius

6.24

Constant

622.35, 445.61, 817.85

Strucutre

ORC

Angles

p/2, p/2, p/2

Electron & Quantum

Oxidation States

−1,1,2,3,4,5,6,7

Electron Configuration

1s2 2s2 2p6 3s2 3p5

Quantum Number

hat/a

Electron Configuration Semantic

[N] Abkha stick

Shells-0

Shells-1

Shells-2

Ionization Energies-0

1251.2

Ionization Energies-1

2298

Ionization Energies-2

3822

Ionization Energies-3

5158.6

Ionization Energies-4

6542

Ionization Energies-5

9362

Ionization Energies-6

11018

Ionization Energies-7

33604

Ionization Energies-8

38600

Ionization Energies-9

43961

Ionization Energies-10

51068

Ionization Energies-11

57119

Ionization Energies-12

63363

Ionization Energies-13

72341

Ionization Energies-14

78095

Ionization Energies-15

352994

Ionization Energies-16

380760

List of Compounds

1-10 of 98 compounds

Rows per page:

Formula	Names
Cl2	chlorine chlorine gas dichlorine molecular chlorine
AgCl	silver chloride chlorosilver silver(I) chloride silver monochloride
AlCl3	aluminum chloride trichloroalumane polyaluminum chloride aloxicoll aluminium chlorohydrate aluminum hydroxychloride aluminum oxychloride
AmCl3	americium(III) chloride
AsCl3	arsenic trichloride arsenic butter arsenic chloride arsenic(III) chloride arsenious chloride arsenous chloride butter of arsenic fuming liquid arsenic trichloroarsane trichloroarsine
AuCl	gold(I)chloride gold(+1) cation chloride
AuCl3	gold(III)chloride trichlorogold
BCl3	boron trichloride boron chloride trichloroborane
B2Cl4	tetrachloradiborane
BaCl2	barium chloride barium(+2) cation dichloride

...

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