Hassium

Praseodymium

Hassium vs Praseodymium

Hassium

Praseodymium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

8NA

0 17

1.3 Period Number

2 7

1.4 Block

d block

f block

1.5 Element Family

Transition Metal

Lanthanide

1.6 CAS Number

540375797440100

7429905 54386242

1.7 Space Group Name

Not Available

P63/mmc

1.8 Space Group Number

NA194.00

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.

Praseodymium metal is synthetically produced metal.
Praseodymium is used as possible fuel for radioactive generators.

2.2 Sources

Synthetically Produced

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Gesellschaft für Schwerionenforschung

Not Available

2.3.2 Discovery

In 1984

In 1885

2.4 Abundance

2.4.1 Abundance In Universe

NA2 * 10^-7 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.0000001 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NA0.00 %

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

NANA

1E-13 1.4

3 Uses

3.1 Uses & Benefits

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

The main use of Praseodymium include alloys. Praseodymium –Magnesium alloy is used in aircraft engines due to its high strength.
This metal is also used while making a permanent magnets.

3.1.1 Industrial Uses

Chemical Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Research Purposes

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Unknown

Moderately 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

NA935.00 °C

27 3410

4.2 Boiling Point

NA3,130.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silver

Grayish White

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

NANA

0.2 8.5

4.4.2 Brinell Hardness

NA481.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA400.00 MPa

121 3430

4.5 Speed of Sound

NA2,280.00 m/s

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

731

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

NA1.13

0.7 2.54

5.3.2 Sanderson Electronegativity

NANA

0.22 2.56

5.3.3 Allred Rochow Electronegativity

NA1.07

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

NANA

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

NA2.87

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

733.30 kJ/mol527.00 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,756.00 kJ/mol1,020.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,827.00 kJ/mol2,086.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,637.50 kJ/mol3,761.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

4,940.00 kJ/mol5,551.00 kJ/mol

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

NA1.75 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

NA2.70 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Radioactivity

Anti Corrosion, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

10859

3 117

6.2 Electron Configuration

[Rn] 5f¹⁴ 6d⁶ 7s²

[Xe] 4f³ 6s²

6.3 Crystal Structure

Hexagonal Close Packed (HCP)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

10859

3 117

6.4.2 Number of Neutrons

15882

4 184

6.4.3 Number of Electrons

10859

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

126.00 pm182.00 pm

112 265

6.5.2 Covalent Radius

134.00 pm203.00 pm

96 260

6.5.3 Van der Waals Radius

NA239.00 pm

139 348

6.6 Atomic Weight

269.00 amu140.91 amu

6.94 294

6.7 Atomic Volume

NA20.80 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

NA42.64 (-eV)

8 392.42

6.10 Lattice Constant

NA367.25 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, 2 π/3

6.12 Lattice C/A Ratio

NA1.61

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

40.70 g/cm³6.77 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

NA6.50 g/cm3

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

NA0.00 (Pa)

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

NA13.20 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

NA14.80 GPa

1.3 222

7.5.2 Bulk Modulus

NA28.80 GPa

1.6 462

7.5.3 Young's Modulus

NA37.30 GPa

1.7 528

7.6 Poisson Ratio

NA0.28

0.032 0.47

7.7 Other Mechanical Properties

Unknown

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

NA6.77

0.53 4500

8.1.2 Magnetic Ordering

Unknown

Paramagnetic

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

Conductor

8.2.2 Resistivity

NA0.70 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

NA0.01 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

NA50.00 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

NA0.19 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

NA27.20 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

NA12.50 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

NA6.70 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

NA296.80 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

NA6.89 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

NA368.00 kJ/mol

61.5 837

9.7 Standard Molar Entropy

NA73.20 J/mol.K

9.5 198.1

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