Nobelium

Yttrium

Nobelium vs Yttrium

Nobelium

Yttrium

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1 Periodic Table

1.1 Symbol

✔ ✘

1.2 Group Number

NA3

0 17

1.3 Period Number

2 7

1.4 Block

f block

d block

1.5 Element Family

Actinide

Transition Metal

1.6 CAS Number

100281457440655

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

The most stable isotope of Nobelium metal is No-259.
No-259 has a half-life of fifty-eight minutes.

Yttrium Metal is highly toxic.
Yttrium Metal is highly reactive in nature hence not found free in nature.

2.2 Sources

Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Joint Institute for Nuclear Research

Johan Gadolin

2.3.2 Discovery

In 1966

In 1794

2.4 Abundance

2.4.1 Abundance In Universe

NA7 * 10^-7 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.0000001 %

1E-08 0.1

3.1.4 Abundance In Meteorites

NA0.00 %

1.7E-07 22

3.2.3 Abundance In Earth's Crust

NA0.00 %

9.9E-12 8.1

3.2.4 Abundance In Oceans

NA0.00 %

2E-23 1.1

3.2.6 Abundance In Humans

NANA

1E-13 1.4

4 Uses

4.1 Uses & Benefits

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

Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
It is also used as a catalyst in ethene polymerisation.

4.1.1 Industrial Uses

Electrical Industry, Electronic Industry

4.1.2 Medical Uses

4.1.3 Other Uses

Research Purposes

Alloys

4.2 Biological Properties

4.2.1 Toxicity

Unknown

Highly Toxic

4.2.2 Present in Human Body

✔ ✘

4.2.3 In Blood

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

0 1970

5.1.1 In Bone

0.00 p.p.m.0.07 p.p.m.

0 170000

6 Physical

6.1 Melting Point

827.00 °C1,523.00 °C

27 3410

6.2 Boiling Point

NA3,337.00 °C

147 5660

6.4 Appearance

6.4.1 Physical State

Solid

6.4.2 Color

Unknown

Silvery White

6.4.3 Luster

Unknown Luster

6.5 Hardness

6.5.1 Mohs Hardness

NANA

0.2 8.5

6.7.1 Brinell Hardness

NA589.00 MPa

0.14 3490

6.7.2 Vickers Hardness

NANA

121 3430

6.9 Speed of Sound

NA3,300.00 m/s

818 16200

6.10 Optical Properties

6.10.1 Refractive Index

NANA

1.000933 1.7229

6.10.3 Reflectivity

NANA

58 97

6.11 Allotropes

✔ ✘

6.11.1 α Allotropes

Not Available

6.11.2 β Allotropes

Not Available

6.11.3 γ Allotropes

Not Available

7 Chemical

7.1 Chemical Formula

✔ ✘

7.2 Isotopes

7.2.1 Known Isotopes

1319

0 38

7.3 Electronegativity

7.3.1 Pauling Electronegativity

1.301.22

0.7 2.54

7.3.3 Sanderson Electronegativity

NA0.65

0.22 2.56

7.3.4 Allred Rochow Electronegativity

1.201.11

0.86 1.82

7.4.1 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

7.4.2 Allen Electronegativity

NA1.12

0.659 2.7

7.5 Electropositivity

7.5.1 Pauling Electropositivity

2.702.78

1.46 3.3

7.6 Ionization Energies

7.6.1 1st Energy Level

642.00 kJ/mol600.00 kJ/mol

375.7 26130

7.6.2 2nd Energy Level

1,254.00 kJ/mol1,180.00 kJ/mol

710.2162 28750

7.6.3 3rd Energy Level

2,643.00 kJ/mol1,980.00 kJ/mol

1600 34230

7.6.4 4th Energy Level

3,956.00 kJ/mol5,847.00 kJ/mol

2780 37066

7.6.5 5th Energy Level

NA7,430.00 kJ/mol

4305.2 97510

7.6.6 6th Energy Level

NA8,970.00 kJ/mol

5715.8 105800

7.6.7 7th Energy level

NA11,190.00 kJ/mol

7226.8 114300

7.6.8 8th Energy Level

NA12,450.00 kJ/mol

8857.4 125300

7.6.9 9th Energy Level

NA14,110.00 kJ/mol

14110 134700

7.6.10 10th Energy Level

NA18,400.00 kJ/mol

17100 144300

7.6.11 11th Energy Level

NA19,900.00 kJ/mol

19900 169988

7.6.12 12th Energy Level

NA36,090.00 kJ/mol

22219 189368

7.6.13 13th Energy Level

NANA

26930 76015

1.2.2 14th Energy Level

NANA

29196 86450

1.2.3 15th Energy Level

NANA

41987 97510

1.2.4 16th Energy Level

NANA

47206 109480

1.3.2 17th Energy Level

NANA

52737 122200

1.3.3 18th Energy Level

NANA

58570 134810

1.3.4 19th Energy Level

NANA

64702 148700

1.3.6 20th Energy Level

NANA

80400 171200

1.3.7 21st Energy Level

NANA

87000 179100

1.3.8 22nd Energy Level

NANA

93400 184900

1.3.10 23rd Energy Level

NANA

98420 198800

1.3.11 24th Energy Level

NANA

104400 195200

1.3.12 25th Energy Level

NANA

121900 121900

1.3.14 26th Energy Level

NANA

127700 127700

1.3.15 27th Energy Level

NANA

133800 133800

1.3.16 28th Energy Level

NANA

139800 139800

1.3.17 29th Energy Level

NANA

148100 148100

1.3.19 30th Energy Level

NANA

154500 154500

1.4 Electrochemical Equivalent

4.83 g/amp-hr1.11 g/amp-hr

0.16812 8.3209

1.5 Electron Work Function

NA3.10 eV

2.14 5.65

1.7 Other Chemical Properties

Ionization, Radioactive Isotopes, Radioactivity

Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility

2 Atomic

2.1 Atomic Number

10239

3 117

2.3 Electron Configuration

[Rn] 5f¹⁴ 7s²

[Kr] 4d¹ 5s²

2.4 Crystal Structure

Not Known

Hexagonal Close Packed (HCP)

2.4.1 Crystal Lattice

2.5 Atom

2.5.1 Number of Protons

10239

3 117

2.5.2 Number of Neutrons

15750

4 184

2.5.4 Number of Electrons

10239

3 117

2.6 Radius of an Atom

2.6.1 Atomic Radius

NA180.00 pm

112 265

2.6.3 Covalent Radius

NA190.00 pm

96 260

2.6.4 Van der Waals Radius

246.00 pm200.00 pm

139 348

2.7 Atomic Weight

259.00 amu88.91 amu

6.94 294

2.8 Atomic Volume

NA19.80 cm3/mol

1.39 71.07

2.9 Adjacent Atomic Numbers

2.9.1 Previous Element

2.9.2 Next Element

2.10 Valence Electron Potential

26.00 (-eV)48.00 (-eV)

8 392.42

2.11 Lattice Constant

NA364.74 pm

228.58 891.25

2.12 Lattice Angles

π/2, π/2, 2 π/3

2.13 Lattice C/A Ratio

NA1.57

1.567 1.886

3 Mechanical

3.1 Density

3.1.1 Density At Room Temperature

NA4.47 g/cm³

0.534 40.7

3.1.3 Density When Liquid (at m.p.)

NA4.24 g/cm3

0.512 20

3.2 Tensile Strength

NANA

2.5 11000

3.3 Viscosity

NANA

0.001526 0.001526

3.4 Vapor Pressure

3.4.1 Vapor Pressure at 1000 K

NA0.00 (Pa)

2.47E-11 121

3.4.3 Vapor Pressure at 2000 K

NA4.27 (Pa)

2.62E-10 774

3.5 Elasticity properties

3.5.1 Shear Modulus

NA25.60 GPa

1.3 222

3.5.3 Bulk Modulus

NA41.20 GPa

1.6 462

3.5.5 Young's Modulus

NA63.50 GPa

1.7 528

3.6 Poisson Ratio

NA0.24

0.032 0.47

3.7 Other Mechanical Properties

Unknown

Ductile

4 Magnetic

4.1 Magnetic Characteristics

4.1.1 Specific Gravity

NA4.47

0.53 4500

4.1.4 Magnetic Ordering

Unknown

Paramagnetic

4.1.5 Permeability

NANA

1.25643E-06 0.0063

4.1.7 Susceptibility

NANA

-0.000166 200000

4.2 Electrical Properties

4.2.1 Electrical Property

Unknown

Conductor

4.2.2 Resistivity

NA596.00 nΩ·m

0.18 961

4.2.5 Electrical Conductivity

NA0.02 10⁶/cm Ω

0.00666 0.63

4.2.7 Electron Affinity

NA29.60 kJ/mol

0 222.8

5 Thermal

5.1 Specific Heat

NA0.30 J/(kg K)

0.11 3.6

5.2 Molar Heat Capacity

NA26.53 J/mol·K

16.443 62.7

5.4 Thermal Conductivity

NA17.20 W/m·K

6.3 429

5.6 Critical Temperature

NANA

26.3 3223

5.8 Thermal Expansion

NA10.60 µm/(m·K)

4.5 97

5.9 Enthalpy

5.9.1 Enthalpy of Vaporization

NA393.00 kJ/mol

7.32 799.1

5.9.2 Enthalpy of Fusion

NA17.15 kJ/mol

2.1 35.23

5.9.3 Enthalpy of Atomization

NA418.00 kJ/mol

61.5 837

5.10 Standard Molar Entropy

NA44.40 J/mol.K

9.5 198.1

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