Hassium

Radium

Hassium vs Radium

Hassium

Radium

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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

d block

s block

1.5 Element Family

Transition Metal

Alkaline Earth

1.6 CAS Number

540375797440144

7429905 54386242

1.7 Space Group Name

Not Available

Im_ 3m

1.8 Space Group Number

NA229.00

11 229

2 Facts

2.1 Interesting Facts

Hassium metals rate of decay is very high.
Hassium metals 1st sample was synthesized through a nuclear reaction.

Radium metal is the heaviest metal of Alkaline earth metals column.
Radium metal is highly radioactive and does not have any stable isotopes.

2.2 Sources

Synthetically Produced

Mining, Ores of metals

2.3 History

2.3.1 Who Discovered

Gesellschaft für Schwerionenforschung

Not Available

2.3.2 Discovery

In 1984

In 1898

2.4 Abundance

2.4.1 Abundance In Universe

NANA

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~-9999 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NANA

1.7E-07 22

2.4.4 Abundance In Earth's Crust

NA0.00 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

NA0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

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

It is a highly radioactive metal; and sometime Radium-223 is used to treat prostate cancer.
It is used in luminous paints.

3.1.1 Industrial Uses

3.1.2 Medical Uses

Pharmaceutical Industry

3.1.3 Other Uses

Research Purposes

3.2 Biological Properties

3.2.1 Toxicity

Unknown

Highly Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-3NA

0 1970

3.2.4 In Bone

0.00 p.p.m.NA

0 170000

4 Physical

4.1 Melting Point

NA700.00 °C

27 3410

4.2 Boiling Point

NA1,737.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silver

Silvery White

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

NANA

0.2 8.5

4.4.2 Brinell Hardness

NANA

0.14 3490

4.4.3 Vickers Hardness

NANA

121 3430

4.5 Speed of Sound

NANA

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

733

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

NA0.90

0.7 2.54

5.3.2 Sanderson Electronegativity

NANA

0.22 2.56

5.3.3 Allred Rochow Electronegativity

NA0.97

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NA0.92

0.62 2.48

5.3.5 Allen Electronegativity

NA0.89

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

NA3.10

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

733.30 kJ/mol509.30 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,756.00 kJ/mol979.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,827.00 kJ/molNA

1600 34230

5.5.4 4th Energy Level

3,637.50 kJ/molNA

2780 37066

5.5.5 5th Energy Level

4,940.00 kJ/molNA

4305.2 97510

5.5.6 6th Energy Level

6,175.10 kJ/molNA

5715.8 105800

5.5.7 7th Energy level

7,535.50 kJ/molNA

7226.8 114300

5.5.8 8th Energy Level

8,857.40 kJ/molNA

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

NA4.22 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

NANA

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Radioactivity

6 Atomic

6.1 Atomic Number

10888

3 117

6.2 Electron Configuration

[Rn] 5f¹⁴ 6d⁶ 7s²

[Rn] 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

10888

3 117

6.4.2 Number of Neutrons

158138

4 184

6.4.3 Number of Electrons

10888

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

126.00 pmNA

112 265

6.5.2 Covalent Radius

134.00 pm221.00 pm

96 260

6.5.3 Van der Waals Radius

NA283.00 pm

139 348

6.6 Atomic Weight

269.00 amu226.00 amu

6.94 294

6.7 Atomic Volume

NA45.20 cm3/mol

1.39 71.07

6.8 Adjacent Atomic Numbers

6.8.1 Previous Element

6.8.2 Next Element

6.9 Valence Electron Potential

NA20.10 (-eV)

8 392.42

6.10 Lattice Constant

NA514.80 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, π/2

6.12 Lattice C/A Ratio

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

40.70 g/cm³5.50 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

NANA

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

NANA

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

NANA

1.3 222

7.5.2 Bulk Modulus

NANA

1.6 462

7.5.3 Young's Modulus

NANA

1.7 528

7.6 Poisson Ratio

NANA

0.032 0.47

7.7 Other Mechanical Properties

Unknown

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

NA5.00

0.53 4500

8.1.2 Magnetic Ordering

Unknown

Nonmagnetic

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

Unknown

8.2.2 Resistivity

NA100.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

NANA

0.00666 0.63

8.2.4 Electron Affinity

NANA

0 222.8

9 Thermal

9.1 Specific Heat

NA0.12 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

NANA

16.443 62.7

9.3 Thermal Conductivity

NA18.60 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

NANA

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

NANA

7.32 799.1

9.6.2 Enthalpy of Fusion

NANA

2.1 35.23

9.6.3 Enthalpy of Atomization

NA163.00 kJ/mol

61.5 837

9.7 Standard Molar Entropy

NA71.00 J/mol.K

9.5 198.1

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