Beryllium

Dubnium

Beryllium vs Dubnium

Beryllium

Dubnium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

0 17

1.3 Period Number

2 7

1.4 Block

s block

d block

1.5 Element Family

Alkaline Earth

Transition Metal

1.6 CAS Number

744041753850354

7429905 54386242

1.7 Space Group Name

P63/mmc

Not Available

1.8 Space Group Number

194.00NA

11 229

2 Facts

2.1 Interesting Facts

Beryllium is best anti corrosion metal.

Beryllium is the lightest metal and still it is stronger than steel.

It also finds various applications in Nuclear reactors as a reflector.

IUPAC allotted a temporary name to Dubnium metal as “ Unnilpentium”.

In the production of Dubnium, thermal gradient chromatography is used.

2.2 Sources

Earth's crust, Found in Minerals, Mining, Ores of metals, Ores of Minerals

Produced by Bombarding Am243 with Ne22, Synthetically Produced

2.3 History

2.3.1 Who Discovered

Louis Nicolas Vauquelin

Joint Institute for Nuclear Research

2.3.2 Discovery

In 1797

In 1968

2.4 Abundance

2.4.1 Abundance In Universe

1 * 10^-7 %NA

5E-09 0.11

2.4.2 Abundance In Sun

~0.00000001 %~-9999 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %NA

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %NA

9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %NA

2E-23 1.1

2.4.6 Abundance In Humans

0.00 %NA

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.

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

3.1.1 Industrial Uses

Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Alloys

Research Purposes

3.2 Biological Properties

3.2.1 Toxicity

Toxic

Unknown

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-30.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.00 p.p.m.0.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

1,278.00 °CNA

27 3410

4.2 Boiling Point

2,970.00 °CNA

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

White Gray

Unknown

4.3.3 Luster

Metallic

Unknown Luster

4.4 Hardness

4.4.1 Mohs Hardness

5.50NA

0.2 8.5

4.4.2 Brinell Hardness

590.00 MPaNA

0.14 3490

4.4.3 Vickers Hardness

1,670.00 MPaNA

121 3430

4.5 Speed of Sound

12,890.00 m/sNA

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NANA

58 97

4.7 Allotropes

✔ ✘

4.7.1 α Allotropes

Not Available

4.7.2 β Allotropes

Not Available

4.7.3 γ Allotropes

Not Available

5 Chemical

5.1 Chemical Formula

5.2 Isotopes

5.2.1 Known Isotopes

910

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.57NA

0.7 2.54

5.3.2 Sanderson Electronegativity

1.81NA

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.47NA

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

1.54NA

0.62 2.48

5.3.5 Allen Electronegativity

1.58NA

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.43NA

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

899.50 kJ/mol664.80 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,757.10 kJ/mol1,546.70 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

14,848.70 kJ/mol2,378.40 kJ/mol

1600 34230

5.5.4 4th Energy Level

21,006.60 kJ/mol3,298.80 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA4,305.20 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NANA

5715.8 105800

5.5.7 7th Energy level

NANA

7226.8 114300

5.5.8 8th Energy Level

NANA

8857.4 125300

5.5.9 9th Energy Level

NANA

14110 134700

5.5.10 10th Energy Level

NANA

17100 144300

5.5.11 11th Energy Level

NANA

19900 169988

5.5.12 12th Energy Level

NANA

22219 189368

5.5.13 13th Energy Level

NANA

26930 76015

5.5.14 14th Energy Level

NANA

29196 86450

5.5.15 15th Energy Level

NANA

41987 97510

5.5.16 16th Energy Level

NANA

47206 109480

5.5.17 17th Energy Level

NANA

52737 122200

5.5.18 18th Energy Level

NANA

58570 134810

5.5.19 19th Energy Level

NANA

64702 148700

5.5.20 20th Energy Level

NANA

80400 171200

5.5.21 21st Energy Level

NANA

87000 179100

5.5.22 22nd Energy Level

NANA

93400 184900

5.5.23 23rd Energy Level

NANA

98420 198800

5.5.24 24th Energy Level

NANA

104400 195200

5.5.25 25th Energy Level

NANA

121900 121900

5.5.26 26th Energy Level

NANA

127700 127700

5.5.27 27th Energy Level

NANA

133800 133800

5.5.28 28th Energy Level

NANA

139800 139800

5.5.29 29th Energy Level

NANA

148100 148100

5.5.30 30th Energy Level

NANA

154500 154500

5.6 Electrochemical Equivalent

0.17 g/amp-hrNA

0.16812 8.3209

5.7 Electron Work Function

4.98 eVNA

2.14 5.65

5.8 Other Chemical Properties

Corrosion, Ionization, Radioactive Isotopes

Ionization, Radioactive Isotopes, Radioactivity

6 Atomic

6.1 Atomic Number

4105

3 117

6.2 Electron Configuration

[He] 2s²

[Rn] 5f¹⁴ 6d³ 7s²

6.3 Crystal Structure

Hexagonal Close Packed (HCP)

Body Centered Cubic (BCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

4105

3 117

6.4.2 Number of Neutrons

5157

4 184

6.4.3 Number of Electrons

4105

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

112.00 pm139.00 pm

112 265

6.5.2 Covalent Radius

96.00 pm149.00 pm

96 260

6.5.3 Van der Waals Radius

153.00 pmNA

139 348

6.6 Atomic Weight

9.01 amu268.00 amu

6.94 294

6.7 Atomic Volume

5.00 cm3/molNA

1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

82.00 (-eV)NA

8 392.42

6.10 Lattice Constant

228.58 pmNA

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

6.12 Lattice C/A Ratio

1.57NA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

1.85 g/cm³29.30 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

1.69 g/cm3NA

0.512 20

7.2 Tensile Strength

NANA

2.5 11000

7.3 Viscosity

NANA

0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

0.00 (Pa)NA

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

NANA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

132.00 GPaNA

1.3 222

7.5.2 Bulk Modulus

130.00 GPaNA

1.6 462

7.5.3 Young's Modulus

287.00 GPaNA

1.7 528

7.6 Poisson Ratio

0.03NA

0.032 0.47

7.7 Other Mechanical Properties

Unknown

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

1.85NA

0.53 4500

8.1.2 Magnetic Ordering

Diamagnetic

Unknown

8.1.3 Permeability

NANA

1.25643E-06 0.0063

8.1.4 Susceptibility

NANA

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Semiconductor

Unknown

8.2.2 Resistivity

36.00 nΩ·mNA

0.18 961

8.2.3 Electrical Conductivity

0.31 10⁶/cm ΩNA

0.00666 0.63

8.2.4 Electron Affinity

0.00 kJ/molNA

0 222.8

9 Thermal

9.1 Specific Heat

1.82 J/(kg K)NA

0.11 3.6

9.2 Molar Heat Capacity

16.44 J/mol·KNA

16.443 62.7

9.3 Thermal Conductivity

200.00 W/m·KNA

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

11.30 µm/(m·K)NA

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

294.70 kJ/molNA

7.32 799.1

9.6.2 Enthalpy of Fusion

11.72 kJ/molNA

2.1 35.23

9.6.3 Enthalpy of Atomization

326.40 kJ/molNA

61.5 837

9.7 Standard Molar Entropy

9.50 J/mol.KNA

9.5 198.1

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