Chlorine is a yellow-green gas under standard conditions, where it forms diatomic molecules and has the highest electron affinity and the third highest electro-negativity of all the reactive elements. For this reason, chlorine is a strong oxidizing agent.

Chlorine is a yellow-green gas under standard conditions, where it forms diatomic molecules and has the highest electron affinity and the third highest electro-negativity of all the reactive elements. For this reason, chlorine is a strong oxidizing agent.

Chlorine is a yellow-green gas under standard conditions, where it forms diatomic molecules and has the highest electron affinity and the third highest electro-negativity of all the reactive elements. For this reason, chlorine is a strong oxidizing agent.

Chlorine is a yellow-green gas under standard conditions, where it forms diatomic molecules and has the highest electron affinity and the third highest electro-negativity of all the reactive elements. For this reason, chlorine is a strong oxidizing agent.

Chlorine is a yellow-green gas under standard conditions, where it forms diatomic molecules and has the highest electron affinity and the third highest electro-negativity of all the reactive elements. For this reason, chlorine is a strong oxidizing agent.

---

1774 by Carl William Scheele, Sweden.

1774 by Carl William Scheele, Sweden.

1774 by Carl William Scheele, Sweden.

1774 by Carl William Scheele, Sweden.

1774 by Carl William Scheele, Sweden.

DISCOVERY

DISCOVERY

DISCOVERY

DISCOVERY

DISCOVERY

---

Ancient Greek, χλωρός (khlōrós, 'pale green').

Ancient Greek, χλωρός (khlōrós, 'pale green').

Ancient Greek, χλωρός (khlōrós, 'pale green').

Ancient Greek, χλωρός (khlōrós, 'pale green').

Ancient Greek, χλωρός (khlōrós, 'pale green').

ETYMOLOGY

ETYMOLOGY

ETYMOLOGY

ETYMOLOGY

ETYMOLOGY

---

---

Chlorine

Chlorine

Chlorine

Chlorine

Chlorine

---

Element

Element

Element

Element

Element

---

Cl

Cl

Cl

Cl

Cl

---

Symbol

Symbol

Symbol

Symbol

Symbol

---

---

---

17

17

17

17

17

---

Atomic Number

Atomic Number

Atomic Number

Atomic Number

Atomic Number

---

Halogen

Halogen

Halogen

Halogen

Halogen

---

Classification

Classification

Classification

Classification

Classification

---

7782-50-5

7782-50-5

7782-50-5

7782-50-5

7782-50-5

---

CAS Number

CAS Number

CAS Number

CAS Number

CAS Number

---

Yellow

Yellow

Yellow

Yellow

Yellow

---

Elemental Colour

Elemental Colour

Elemental Colour

Elemental Colour

Elemental Colour

---

1.000'773

1.000'773

1.000'773

1.000'773

1.000'773

---

Refractive Index

Refractive Index

Refractive Index

Refractive Index

Refractive Index

---

-

-

-

-

-

---

Poisson Ratio

Poisson Ratio

Poisson Ratio

Poisson Ratio

Poisson Ratio

---

11.031 cm³

11.031 cm³

11.031 cm³

11.031 cm³

11.031 cm³

---

Molar Volume

Molar Volume

Molar Volume

Molar Volume

Molar Volume

---

-

-

-

-

-

---

Brinell Hardness

Brinell Hardness

Brinell Hardness

Brinell Hardness

Brinell Hardness

---

-

-

-

-

-

---

Mohs Hardness

Mohs Hardness

Mohs Hardness

Mohs Hardness

Mohs Hardness

---

-

-

-

-

-

---

Vickers Hardness

Vickers Hardness

Vickers Hardness

Vickers Hardness

Vickers Hardness

---

206 m/s, Mach 0.600'6

206 m/s, Mach 0.600'6

206 m/s, Mach 0.600'6

206 m/s, Mach 0.600'6

206 m/s

---

Speed of Sound

Speed of Sound

Speed of Sound

Speed of Sound

Speed of Sound

---

1.10G Pa, 10.856'2k Atm

1.10G Pa, 10.856'2k Atm

1.10G Pa, 10.856'2k Atm

1.10G Pa, 10.856'2k Atm

10.856'2k Atm

---

Bulk Modulus

Bulk Modulus

Bulk Modulus

Bulk Modulus

Bulk Modulus

---

-

-

-

-

-

---

Shear Modulus

Shear Modulus

Shear Modulus

Shear Modulus

Shear Modulus

---

-

-

-

-

-

---

Young Modulus

Young Modulus

Young Modulus

Young Modulus

Young Modulus

---

---

---

Allotropes

Allotropes

Allotropes

Allotropes

Allotropes

---

---

---

171.65 K, -101.50 °C

171.65 K, -101.50 °C

171.65 K, -101.50 °C

171.65 K, -101.50 °C

-101.50 °C

---

Melting Point

Melting Point

Melting Point

Melting Point

Melting Point

---

239.11 K, -34.04 °C

239.11 K, -34.04 °C

239.11 K, -34.04 °C

239.11 K, -34.04 °C

-34.04 °C

---

Boiling Point

Boiling Point

Boiling Point

Boiling Point

Boiling Point

---

-

-

-

-

-

---

Automatic Ignition

Automatic Ignition

Automatic Ignition

Automatic Ignition

Automatic Ignition

---

-

-

-

-

-

---

Flashpoint

Flashpoint

Flashpoint

Flashpoint

Flashpoint

---

416.90 K, 143.75 °C

416.90 K, 143.75 °C

416.90 K, 143.75 °C

416.90 K, 143.75 °C

143.75 °C

---

Critical Temperature

Critical Temperature

Critical Temperature

Critical Temperature

Critical Temperature

---

7.99M Pa, 79 Atm

7.99M Pa, 79 Atm

7.99M Pa, 79 Atm

7.99M Pa, 79 Atm

79 Atm

---

Critical Pressure

Critical Pressure

Critical Pressure

Critical Pressure

Critical Pressure

---

0.008'900 W/(m K)

0.008'900 W/(m K)

0.008'900 W/(m K)

0.008'900 W/(m K)

0.008'900 W/(m K)

---

Thermal Conductivity

Thermal Conductivity

Thermal Conductivity

Thermal Conductivity

Thermal Conductivity

---

-

-

-

-

-

---

Thermal Expansion

Thermal Expansion

Thermal Expansion

Thermal Expansion

Thermal Expansion

---

478.20 J/(kg K)

478.20 J/(kg K)

478.20 J/(kg K)

478.20 J/(kg K)

478.20 J/(kg K)

---

Specific Heat

Specific Heat

Specific Heat

Specific Heat

Specific Heat

---

3.200 kJ/mol

3.200 kJ/mol

3.200 kJ/mol

3.200 kJ/mol

3.200 kJ/mol

---

Heat Fusion

Heat Fusion

Heat Fusion

Heat Fusion

Heat Fusion

---

10.200 kJ/mol

10.200 kJ/mol

10.200 kJ/mol

10.200 kJ/mol

10.200 kJ/mol

---

Heat Vaporisation

Heat Vaporisation

Heat Vaporisation

Heat Vaporisation

Heat Vaporisation

---

-

-

-

-

-

---

Heat Combustion

Heat Combustion

Heat Combustion

Heat Combustion

Heat Combustion

---

-

-

-

-

-

---

Curie Point

Curie Point

Curie Point

Curie Point

Curie Point

---

-

-

-

-

-

---

Neel Point

Neel Point

Neel Point

Neel Point

Neel Point

---

7/5

7/5

7/5

7/5

7/5

---

Adiabatic Index

Adiabatic Index

Adiabatic Index

Adiabatic Index

Adiabatic Index

---

Gas

Gas

Gas

Gas

Gas

---

Phase

Phase

Phase

Phase

Phase

Insulator

Insulator

Insulator

Insulator

Insulator

---

Electrical Type

Electrical Type

Electrical Type

Electrical Type

Electrical Type

---

10.00m S/m

10.00m S/m

10.00m S/m

10.00m S/m

10.00m S/m

---

Conductivity

Conductivity

Conductivity

Conductivity

Conductivity

---

100.00 Ω.m

100.00 Ω.m

100.00 Ω.m

100.00 Ω.m

100.00 Ω.m

---

Resistivity

Resistivity

Resistivity

Resistivity

Resistivity

---

-

-

-

-

-

---

Superconducting Point

Superconducting Point

Superconducting Point

Superconducting Point

Superconducting Point

---

Diamagnetic

Diamagnetic

Diamagnetic

Diamagnetic

Diamagnetic

---

Magnetic Type

Magnetic Type

Magnetic Type

Magnetic Type

Magnetic Type

---

-0.000'000'007'2

-0.000'000'007'2

-0.000'000'007'2

-0.000'000'007'2

-0.000'000'007'2

---

Mass Susceptibility

Mass Susceptibility

Mass Susceptibility

Mass Susceptibility

Mass Susceptibility

---

-0.000'000'000'255'00

-0.000'000'000'255'00

-0.000'000'000'255'00

-0.000'000'000'255'00

-0.000'000'000'255'00

---

Molar Susceptibility

Molar Susceptibility

Molar Susceptibility

Molar Susceptibility

Molar Susceptibility

---

-0.000'000'023'10

-0.000'000'023'10

-0.000'000'023'10

-0.000'000'023'10

-0.000'000'023'10

---

Volume Susceptibility

Volume Susceptibility

Volume Susceptibility

Volume Susceptibility

Volume Susceptibility

Material Composition

Material Composition

Material Composition

Material Composition

Material Composition

---

0.000'1 %

0.000'1 %

0.000'1 %

0.000'1 %

0.000'1 %

---

Universe

Universe

Universe

Universe

Universe

---

0.037 %

0.037 %

0.037 %

0.037 %

0.037 %

---

Meteorites

Meteorites

Meteorites

Meteorites

Meteorites

---

0.000'5 %

0.000'5 %

0.000'5 %

0.000'5 %

0.000'5 %

---

Sun

Sun

Sun

Sun

Sun

---

0.017 %

0.017 %

0.017 %

0.017 %

0.017 %

---

Earth Crust

Earth Crust

Earth Crust

Earth Crust

Earth Crust

---

2 %

2 %

2 %

2 %

2 %

---

Oceans

Oceans

Oceans

Oceans

Oceans

---

0.12 %

0.12 %

0.12 %

0.12 %

0.12 %

---

Humans

Humans

Humans

Humans

Humans

35.452'538'2

35.452'538'2

35.452'538'2

35.452'538'2

35.452'538'2

---

Atomic Weight

Atomic Weight

Atomic Weight

Atomic Weight

Atomic Weight

---

79 pm

79 pm

79 pm

79 pm

79 pm

---

Atomic Radius

Atomic Radius

Atomic Radius

Atomic Radius

Atomic Radius

---

99 pm

99 pm

99 pm

99 pm

99 pm

---

Covalent Radius Single Bond

Covalent Radius Single Bond

Covalent Radius Single Bond

Covalent Radius Single Bond

Covalent Radius Single Bond

---

95 pm

95 pm

95 pm

95 pm

95 pm

---

Covalent Radius Double Bond

Covalent Radius Double Bond

Covalent Radius Double Bond

Covalent Radius Double Bond

Covalent Radius Double Bond

---

93 pm

93 pm

93 pm

93 pm

93 pm

---

Covalent Radius Triple Bond

Covalent Radius Triple Bond

Covalent Radius Triple Bond

Covalent Radius Triple Bond

Covalent Radius Triple Bond

---

175 pm

175 pm

175 pm

175 pm

175 pm

---

Van der Waals Radius

Van der Waals Radius

Van der Waals Radius

Van der Waals Radius

Van der Waals Radius

---

[Ne]3s²3p⁵

[Ne]3s²3p⁵

[Ne]3s²3p⁵

[Ne]3s²3p⁵

[Ne]3s²3p⁵

---

Electron Configuration

Electron Configuration

Electron Configuration

Electron Configuration

Electron Configuration

---

Orthorhombic, Primitive

Orthorhombic, Primitive

Orthorhombic, Primitive

Orthorhombic, Primitive

Orthorhombic, Primitive

---

Crystal Structure

Crystal Structure

Crystal Structure

Crystal Structure

Crystal Structure

---

-

-

-

-

-

---

Density as Solid

Density as Solid

Density as Solid

Density as Solid

Density as Solid

---

1.564'90 g/cm³

1.564'90 g/cm³

1.564'90 g/cm³

1.564'90 g/cm³

1.564'90 g/cm³

---

Density as Liquid

Density as Liquid

Density as Liquid

Density as Liquid

Density as Liquid

---

3.214'00 g/cm³

3.214'00 g/cm³

3.214'00 g/cm³

3.214'00 g/cm³

3.214'00 g/cm³

---

Density as Gas

Density as Gas

Density as Gas

Density as Gas

Density as Gas

---

Cmca

Cmca

Cmca

Cmca

Cmca

---

Space Group Name

Space Group Name

Space Group Name

Space Group Name

Space Group Name

---

64

64

64

64

64

---

Space Group Number

Space Group Number

Space Group Number

Space Group Number

Space Group Number

---

π/2, π/2 & π/2

π/2, π/2 & π/2

π/2, π/2 & π/2

π/2, π/2 & π/2

π/2, π/2 & π/2

---

Lattice Angles

Lattice Angles

Lattice Angles

Lattice Angles

Lattice Angles

---

622.35, 445.61 & 817.85 pm

622.35, 445.61 & 817.85 pm

622.35, 445.61 & 817.85 pm

622.35, 445.61 & 817.85 pm

622.35, 445.61 & 817.85 pm

---

Lattice Constants

Lattice Constants

Lattice Constants

Lattice Constants

Lattice Constants

5

5

5

5

5

---

Valence

Valence

Valence

Valence

Valence

---

3.16

3.16

3.16

3.16

3.16

---

Electronegativity

Electronegativity

Electronegativity

Electronegativity

Electronegativity

---

348.58 kJ/mol

348.58 kJ/mol

348.58 kJ/mol

348.58 kJ/mol

348.58 kJ/mol

---

Electron Affinity

Electron Affinity

Electron Affinity

Electron Affinity

Electron Affinity

---

---

---

Ionisation Energy

Ionisation Energy

Ionisation Energy

Ionisation Energy

Ionisation Energy

---

---

---

Stable

Stable

Stable

Stable

Stable

---

Half Life

Half Life

Half Life

Half Life

Half Life

---

Stable

Stable

Stable

Stable

Stable

---

Lifetime

Lifetime

Lifetime

Lifetime

Lifetime

---

3p² = 3, 1, 0, -1/2

3p² = 3, 1, 0, -1/2

3p² = 3, 1, 0, -1/2

3p² = 3, 1, 0, -1/2

3p² = 3, 1, 0, -1/2

---

Quantum Numbers

Quantum Numbers

Quantum Numbers

Quantum Numbers

Quantum Numbers

---

16.800'00 b σ_s

16.800'00 b σ_s

16.800'00 b σ_s

16.800'00 b σ_s

16.800'00 b σ_s

---

Neutron Cross Section

Neutron Cross Section

Neutron Cross Section

Neutron Cross Section

Neutron Cross Section

---

33.500'00 b σ_a

33.500'00 b σ_a

33.500'00 b σ_a

33.500'00 b σ_a

33.500'00 b σ_a

---

Neutron Mass Absorption

Neutron Mass Absorption

Neutron Mass Absorption

Neutron Mass Absorption

Neutron Mass Absorption

---

---

---

Stable Isotopes

Stable Isotopes

Stable Isotopes

Stable Isotopes

Stable Isotopes

---

---

---

---

Unstable Isotopes

Unstable Isotopes

Unstable Isotopes

Unstable Isotopes

Unstable Isotopes

---

---

---

---

Isotopes Overview

Isotopes Overview

Isotopes Overview

Isotopes Overview

Isotopes Overview

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