Lawrencium

Lawrencium is a synthetic chemical element with the symbol Lr and atomic number 103. It is the final member of the actinide series and is an extremely radioactive element. Lawrencium is named after Ernest Lawrence, inventor of the cyclotron, a device used to accelerate particles.

Overview

English Name:

Lawrencium

Latin Name:

Lawrencium

Year Discovered:

1961

Discovered By:

Albert Ghiorso, Torbjørn Sikkeland, Almon Larsh, Robert Silva

Group:

Period:

Electrons:

103

CAS Number:

22537-19-5

Cost Per 100 Grams:

N/A

Atomic Properties

Electronic Configuration:

[Rn] 5f¹⁴ 7s² 7p¹

Ion Charge:

Ionisation Energies:

N/A

Atomic Radius (Empirical):

N/A

Atomic Radius (Calculated):

N/A

Covalent Radius:

N/A

Van Der Waals Radius:

N/A

Ionisation Potential of An Atom:

N/A

Electrons Per Layer:

2, 8, 18, 32, 32, 9, 2

Atomic Multiplicities Of The Gas:

N/A

Atomic Weight:

262

Oxidation States

Reactivity

Electron Affinity:

N/A

Valence:

Electronegativity:

N/A

Thermal Properties

Melting Point:

N/A

Boiling Point:

N/A

Critical Point:

Pressure: N/A

Temperature: N/A

Thermal Conductivity:

N/A

Heat Capacity:

Specific: N/A

Molar: N/A

Thermal Coefficient:

N/A

Enthalpy:

Fusion: N/A

Vaporisation: N/A

Atomization: N/A

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: N/A

Molar Volume (Vmol):

N/A

Speed of Sound (Vs):

N/A

Hardness:

N/A

Bulk Modulus (K):

N/A

Shear Modulus (G):

N/A

Young's Modulus (E):

N/A

Color:

Unknown

Brinell Hardness (MPa):

N/A

Liquid Density (Kg/m^3):

N/A

Hardness of Mohs:

N/A

Refractive Index:

N/A

Vickers Hardness (MPa):

N/A

Crystal Structure:

N/A

Electromagnetic Properties

Electrical Type:

N/A

Resistivity:

N/A

Magnetic Type:

N/A

Superconductivity:

N/A

Volume Magnetic Susceptibility:

N/A

Mass Magnetic Susceptibility:

N/A

Molar Mass Susceptibility:

N/A

Electrical Conductivity:

N/A

Mass (γ_mass):

4.3 × 10^-22 kg

Mass (γ_mol):

1.1 × 10^-21 mol

Volume (γ_vol):

N/A

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:

H300, H350, H410

Precautionary Statements:

P201, P202, P260, P262, P264, P270, P273, P281, P301 + P310, P308 + P313, P405, P501

RTECS Number:

N/A

Risk:

Flammability: N/A
Health Risk: Highly toxic, carcinogenic
Reactivity: N/A
Specific Risk: Radioactive

Importance

Main sources:

Produced artificially in nuclear reactors and particle accelerators

Main Usage:

Nuclear research

Nuclear Properties

Radioactive:

Yes

Isotopes:

Lr-262, Lr-263, Lr-264, Lr-265

Neutron Cross Sectional:

N/A

Half Life (s):

3.6 s (Lr-262)

Lifetime:

Radioactive

Prevalence

Universe:

N/A

Sun:

N/A

Oceans:

N/A

Humans:

N/A

Earth's Crust:

N/A

Meteorites:

N/A