Roentgenium

Overview

English Name:

Roentgenium

Latin Name:

Roentgenium

Year Discovered:

1994

Discovered By:

Albert Ghiorso, Glenn T. Seaborg, and others

Group:

11

Period:

7

Electrons:

111

CAS Number:

54038-04-5

Cost Per 100 Grams:

N/A

Atomic Properties

Electronic Configuration:

[Rn] 5f¹⁴ 6d¹⁰ 7s²

Ion Charge:

+1, +3

Ionisation Energies:

unknown

Atomic Radius (Empirical):

unknown

Atomic Radius (Calculated):

unknown

Covalent Radius:

unknown

Van Der Waals Radius:

unknown

Ionisation Potential of An Atom:

unknown

Electrons Per Layer:

2, 8, 18, 32, 32, 18, 2

Atomic Multiplicities Of The Gas:

1

Atomic Weight:

unknown

Reactivity

Electron Affinity:

unknown

Valence:

unknown

Electronegativity:

unknown

Thermal Properties

Melting Point:

unknown

Boiling Point:

unknown

Critical Point:

Pressure: unknown

Temperature: unknown

Thermal Conductivity:

unknown

Heat Capacity:

Specific: unknown

Molar: unknown

Thermal Coefficient:

unknown

Enthalpy:

Fusion: unknown

Vaporisation: unknown

Atomization: unknown

Curie Temperature:

N/A

Neel Temperature:

N/A

Superconductivity Point:

N/A

Physical and Chemical Properties

State of matter (25° C/ 77°F):

Solid

Density:

Solid: unknown

Molar Volume (Vmol):

unknown

Speed of Sound (Vs):

unknown

Hardness:

N/A

Bulk Modulus (K):

unknown

Shear Modulus (G):

N/A

Young's Modulus (E):

N/A

Color:

unknown

Brinell Hardness (MPa):

N/A

Liquid Density (Kg/m^3):

unknown

Hardness of Mohs:

N/A

Refractive Index:

unknown

Vickers Hardness (MPa):

N/A

Crystal Structure:

N/A

Electromagnetic Properties

Electrical Type:

unknown

Resistivity:

unknown

Magnetic Type:

unknown

Superconductivity:

Not applicable

Volume Magnetic Susceptibility:

unknown

Mass Magnetic Susceptibility:

unknown

Molar Mass Susceptibility:

unknown

Electrical Conductivity:

unknown

Mass (γ_mass):

unknown

Mass (γ_mol):

unknown

Volume (γ_vol):

unknown

Grid Parameters

Crystal Structure:

N/A

Grid Parameters:

N/A

Attitude:

N/A

Debye Temperature:

N/A

Safety and Precautions

Signal Word:

Danger

Hazard Statements:

H350, H360

Precautionary Statements:

P201, P202, P281

RTECS Number:

Not available

Risk:

Flammability: Non-flammable
Health Risk: Highly toxic
Reactivity: Stable
Specific Risk: None

Importance

Main sources:

Produced in particle accelerators

Main Usage:

Research

Nuclear Properties

Radioactive:

Yes

Isotopes:

Rg-267, Rg-270

Neutron Cross Sectional:

unknown

Half Life (s):

unknown

Lifetime:

unknown

Prevalence

Universe:

unknown

Sun:

unknown

Oceans:

unknown

Humans:

unknown

Earth's Crust:

unknown

Meteorites:

unknown