What is Lawrencium?

Lawrencium

Periodic Table

Symbol

Group Number

3 15

Period Number

7 1

Block

d block

Element Family

Actinide

CAS Number

22537195 15

Space Group Name

Space Group Number

225.00 3

Facts

Interesting Facts

It is synthetically produced metal.
Radiation hazard can be produce by it.

Sources

Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining

History

Who Discovered

Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research

Discovery

In 1961–1971

Abundance

Abundance In Universe

0.00 % 40

Abundance In Sun

Abundance In Meteorites

0.00 % 54

Abundance In Earth's Crust

0.00 % 60

Abundance In Oceans

Abundance In Humans

Uses

Uses & Benefits

Currently known uses of Lawrencium metal are limited to research purpose only.

Industrial Uses

Medical Uses

Other Uses

Biological Properties

Toxicity

Present in Human Body

In Blood

0.00 Blood/mg dm-3 40

In Bone

0.00 p.p.m. 41

Physical

Melting Point

1,627.00 °C 20

Boiling Point

0.00 °C 82

Appearance

Physical State

Solid

Color

Silver

Luster

Unknown Luster

Hardness

Mohs Hardness

Brinell Hardness

500.00 MPa 28

Vickers Hardness

500.00 MPa 35

Speed of Sound

2,760.00 m/s 43

Optical Properties

Refractive Index

1.30 43

Reflectivity

65.00 % 18

Allotropes

α Allotropes

β Allotropes

γ Allotropes

Chemical

Chemical Formula

Isotopes

Known Isotopes

10 28

Electronegativity

Pauling Electronegativity

1.30 33

Sanderson Electronegativity

1.30 25

Allred Rochow Electronegativity

1.30 25

Mulliken-Jaffe Electronegativity

1.30 33

Allen Electronegativity

1.30 40

Electropositivity

Pauling Electropositivity

2.00 47

Ionization Energies

1st Energy Level

470.00 kJ/mol 86

2nd Energy Level

1,428.00 kJ/mol 46

3rd Energy Level

2,228.00 kJ/mol 64

4th Energy Level

4,910.00 kJ/mol 31

5th Energy Level

4,780.00 kJ/mol 79

6th Energy Level

4,780.00 kJ/mol 87

7th Energy level

4,780.00 kJ/mol 79

8th Energy Level

4,780.00 kJ/mol 77

9th Energy Level

4,780.00 kJ/mol 79

10th Energy Level

5,800.00 kJ/mol 58

11th Energy Level

5,800.00 kJ/mol 63

12th Energy Level

47,800.00 kJ/mol 22

13th Energy Level

4,780.00 kJ/mol 75

14th Energy Level

1,186.00 kJ/mol 61

15th Energy Level

47,800.00 kJ/mol 75

16th Energy Level

470.00 kJ/mol 84

17th Energy Level

1,186.00 kJ/mol 15

18th Energy Level

4,780.00 kJ/mol 75

19th Energy Level

1,186.00 kJ/mol 12

20th Energy Level

860.00 kJ/mol 17

21st Energy Level

1,186.00 kJ/mol 27

22nd Energy Level

388.00 kJ/mol 76

23rd Energy Level

1,180.00 kJ/mol 32

24th Energy Level

546.10 kJ/mol 68

25th Energy Level

0.00 kJ/mol 81

26th Energy Level

594.70 kJ/mol 49

27th Energy Level

470.00 kJ/mol 80

28th Energy Level

478.00 kJ/mol 83

29th Energy Level

580.00 kJ/mol 64

30th Energy Level

0.00 kJ/mol 84

Electrochemical Equivalent

3.23 g/amp-hr 12

Electron Work Function

4.90 eV 12

Other Chemical Properties

Ionization, Radioactive Isotopes

Atomic

Atomic Number

103 15

Electron Configuration

[Rn] 5f¹⁴ 7s² 7p¹

Crystal Structure

Hexagonal Close Packed (HCP)

Crystal Lattice

BCC-Crystal-Structure-.jpg#100

Atom

Number of Protons

103 15

Number of Neutrons

157 8

Number of Electrons

103 15

Radius of an Atom

Atomic Radius

162.00 pm 28

Covalent Radius

162.00 pm 31

Van der Waals Radius

246.00 pm 12

Atomic Weight

266.00 amu 12

Atomic Volume

35.10 cm3/mol 7

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

0.00 (-eV) 78

Lattice Constant

530.00 pm 14

Lattice Angles

Lattice C/A Ratio

1.60 22

Mechanical

Density

Density At Room Temperature

15.00 g/cm³ 22

Density When Liquid (at m.p.)

15.60 g/cm3 20

Tensile Strength

80.00 MPa 29

Viscosity

0.00 25

Vapor Pressure

Vapor Pressure at 1000 K

0.00 (Pa) 37

Vapor Pressure at 2000 K

0.00 (Pa) 37

Elasticity properties

Shear Modulus

30.00 GPa 27

Bulk Modulus

15.00 GPa 56

Young's Modulus

210.00 GPa 10

Poisson Ratio

0.32 12

Other Mechanical Properties

Magnetic

Magnetic Characteristics

Specific Gravity

15.60 22

Magnetic Ordering

Permeability

0.00 H/m 13

Susceptibility

0.00 23

Electrical Properties

Electrical Property

Resistivity

8.37 nΩ·m 53

Electrical Conductivity

0.00 10⁶/cm Ω 71

Electron Affinity

50.00 kJ/mol 26

Thermal

Specific Heat

0.22 J/(kg K) 29

Molar Heat Capacity

27.00 J/mol·K 29

Thermal Conductivity

0.00 W/m·K 80

Critical Temperature

1,323.00 K 47

Thermal Expansion

8.50 µm/(m·K) 60

Enthalpy

Enthalpy of Vaporization

341.90 kJ/mol 37

Enthalpy of Fusion

Enthalpy of Atomization

580.00 kJ/mol 14

Standard Molar Entropy

54.80 J/mol.K 35

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