Ruthenium

Yttrium

Ruthenium vs Yttrium

Ruthenium

Yttrium

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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

1.5 Element Family

Transition Metal

1.6 CAS Number

74401887440655

7429905 54386242

1.7 Space Group Name

P63/mmc

1.8 Space Group Number

194.00194.00

11 229

2 Facts

2.1 Interesting Facts

Ruthenium element has been extracted from used nuclear fuel.
Ruthenium metal also produces as a by-product of the Nickel mining.

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

2.2 Sources

By-product of Nickel Refining, Found in Minerals, Mining

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Karl Ernst Claus

Johan Gadolin

2.3.2 Discovery

In 1844

In 1794

2.4 Abundance

2.4.1 Abundance In Universe

4 * 10^-7 %7 * 10^-7 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.0000005 %~0.0000001 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.00 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %0.00 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NANA

1E-13 1.4

3 Uses

3.1 Uses & Benefits

It is used for producing chip resistors and contact.

Ruthenium oxide is used to coat the anodes cells for chlorine production in chemical industry. It also works as catalysts for ammonia and acetic acid reaction.

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.

3.1.1 Industrial Uses

Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry

Electrical Industry, Electronic Industry

3.1.2 Medical Uses

Medical Research

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Low Toxic

Highly Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

NA0.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

NA0.07 p.p.m.

0 170000

4 Physical

4.1 Melting Point

2,250.00 °C1,523.00 °C

27 3410

4.2 Boiling Point

3,900.00 °C3,337.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silvery White

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

6.50NA

0.2 8.5

4.4.2 Brinell Hardness

2,160.00 MPa589.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NANA

121 3430

4.5 Speed of Sound

5,970.00 m/s3,300.00 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

2619

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

2.201.22

0.7 2.54

5.3.2 Sanderson Electronegativity

NA0.65

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.421.11

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

1.541.12

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

1.802.78

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

710.20 kJ/mol600.00 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

710.22 kJ/mol1,180.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,747.00 kJ/mol1,980.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

NA5,847.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA7,430.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA8,970.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA11,190.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA12,450.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA14,110.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA18,400.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA19,900.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NA36,090.00 kJ/mol

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

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

0.16812 8.3209

5.7 Electron Work Function

4.71 eV3.10 eV

2.14 5.65

5.8 Other Chemical Properties

Anti Corrosion, Ionization, Radioactive Isotopes, Solubility

Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility

6 Atomic

6.1 Atomic Number

4439

3 117

6.2 Electron Configuration

[Kr] 4d⁷ 5s¹

[Kr] 4d¹ 5s²

6.3 Crystal Structure

Hexagonal Close Packed (HCP)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

4439

3 117

6.4.2 Number of Neutrons

5750

4 184

6.4.3 Number of Electrons

4439

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

134.00 pm180.00 pm

112 265

6.5.2 Covalent Radius

146.00 pm190.00 pm

96 260

6.5.3 Van der Waals Radius

200.00 pm200.00 pm

139 348

6.6 Atomic Weight

101.07 amu88.91 amu

6.94 294

6.7 Atomic Volume

8.30 cm3/mol19.80 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

64.00 (-eV)48.00 (-eV)

8 392.42

6.10 Lattice Constant

270.59 pm364.74 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, 2 π/3

6.12 Lattice C/A Ratio

1.581.57

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

12.45 g/cm³4.47 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

10.65 g/cm34.24 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

0.00 (Pa)4.27 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

173.00 GPa25.60 GPa

1.3 222

7.5.2 Bulk Modulus

220.00 GPa41.20 GPa

1.6 462

7.5.3 Young's Modulus

447.00 GPa63.50 GPa

1.7 528

7.6 Poisson Ratio

0.300.24

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

Ductile

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

12.454.47

0.53 4500

8.1.2 Magnetic Ordering

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

Conductor

8.2.2 Resistivity

71.00 nΩ·m596.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.14 10⁶/cm Ω0.02 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

101.30 kJ/mol29.60 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.24 J/(kg K)0.30 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

24.06 J/mol·K26.53 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

117.00 W/m·K17.20 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

6.40 µm/(m·K)10.60 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

567.80 kJ/mol393.00 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

25.50 kJ/mol17.15 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

603.00 kJ/mol418.00 kJ/mol

61.5 837

9.7 Standard Molar Entropy

28.50 J/mol.K44.40 J/mol.K

9.5 198.1

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