Xenon

Xenon is a chemical element with the symbol Xe and atomic number 54. It is a colorless, dense, odorless noble gas that occurs in trace amounts in the Earth's atmosphere. Xenon is used in light sources, such as flash lamps and high-intensity discharge lamps, and in various medical applications.

Overview

English Name:

Xenon

Latin Name:

Xenon

Year Discovered:

1898

Discovered By:

William Ramsay, Morris Travers

Group:

18

Period:

5

Electrons:

54

CAS Number:

7440-63-3

Cost Per 100 Grams:

$100

Atomic Properties

Electronic Configuration:

[Kr] 5s² 4d¹⁰ 5p⁶

Ion Charge:

0

Ionisation Energies:

1170.0 kJ/mol

Atomic Radius (Empirical):

216 pm

Atomic Radius (Calculated):

216 pm

Covalent Radius:

N/A

Van Der Waals Radius:

216 pm

Ionisation Potential of An Atom:

12.13 eV

Electrons Per Layer:

2, 8, 18, 18, 8

Atomic Multiplicities Of The Gas:

1

Atomic Weight:

131.29

Oxidation States

0

Reactivity

Electron Affinity:

-121 kJ/mol

Valence:

0

Electronegativity:

N/A

Thermal Properties

Melting Point:

-111.75°C

Boiling Point:

-108.1°C

Critical Point:

Pressure: 5.5 MPa

Temperature: -65.0°C

Thermal Conductivity:

0.0056 W/(m·K)

Heat Capacity:

Specific: 0.158 J/(g·K)

Molar: 20.79 J/(mol·K)

Thermal Coefficient:

0.0001

Enthalpy:

Fusion: 1.49 kJ/mol

Vaporisation: 12.61 kJ/mol

Atomization: 162.0 kJ/mol

Curie Temperature:

N/A

Neel Temperature:

N/A

Superconductivity Point:

N/A

Physical and Chemical Properties

State of matter (25° C/ 77°F):

Gas

Density:

Gas: 0.005887 g/L

Molar Volume (Vmol):

22.4 L/mol

Speed of Sound (Vs):

168 m/s

Hardness:

N/A

Bulk Modulus (K):

N/A

Shear Modulus (G):

N/A

Young's Modulus (E):

N/A

Color:

Colorless

Brinell Hardness (MPa):

N/A

Liquid Density (Kg/m^3):

2.88 kg/m³

Hardness of Mohs:

N/A

Refractive Index:

1.0000

Vickers Hardness (MPa):

N/A

Crystal Structure:

N/A

Electromagnetic Properties

Electrical Type:

Insulator

Resistivity:

10^14 Ω·m

Magnetic Type:

Diamagnetic

Superconductivity:

Not applicable

Volume Magnetic Susceptibility:

-1.9 × 10^-9

Mass Magnetic Susceptibility:

-2.1 × 10^-9 m³/kg

Molar Mass Susceptibility:

-4.2 × 10^-8 m³/mol

Electrical Conductivity:

10^-14 S/m

Mass (γmass):

3.3466 × 10-26 kg

Mass (γmol):

3.3466 × 10-23 mol

Volume (γvol):

22.4 L

Grid Parameters

Crystal Structure:

N/A

Grid Parameters:

N/A

Attitude:

N/A

Debye Temperature:

N/A

Safety and Precautions

Signal Word:

Warning

Hazard Statements:

H280

Precautionary Statements:

P220, P244, P370 + P376

RTECS Number:

Not available

Risk:

Flammability: Non-flammable
Health Risk: Asphyxiant
Reactivity: Stable
Specific Risk: None

Importance

Main sources:

Air, industrial processes

Main Usage:

Lighting, medical imaging, anesthetics

Nuclear Properties

Radioactive:

No

Isotopes:

Xe-124, Xe-126, Xe-128

Neutron Cross Sectional:

0.035 barns

Half Life (s):

None

Lifetime:

Stable

Prevalence

Universe:

0.0000087%

Sun:

0.0000087%

Oceans:

0.0000001%

Humans:

0.0000001%

Earth's Crust:

0.0000087%

Meteorites:

0.0000087%