Ruthenium

Sodium

Ruthenium vs Sodium

Ruthenium

Sodium

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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

Alkali

1.6 CAS Number

74401887440235

7429905 54386242

1.7 Space Group Name

P63/mmc

Im_ 3m

1.8 Space Group Number

194.00229.00

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.

At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
The most common compound of Sodium is NaCl (Salt).

2.2 Sources

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

By Electrolysis Process, Mining

2.3 History

2.3.1 Who Discovered

Karl Ernst Claus

Humphry Davy

2.3.2 Discovery

In 1844

In 1807

2.4 Abundance

2.4.1 Abundance In Universe

4 * 10^-7 %2 * 10^-3 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.0000005 %~0.004 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.55 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %2.30 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

0.00 %1.10 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.14 %

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.

In some nuclear reactors sodium is used as a heat exchanger.
Compound of Sodium metals called Salt (Sodium chloride) is used in Food.

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

Pharmaceutical Industry

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Low Toxic

Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

NA1,970.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

NA10,000.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

2,250.00 °C97.72 °C

27 3410

4.2 Boiling Point

3,900.00 °C883.00 °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

6.500.50

0.2 8.5

4.4.2 Brinell Hardness

2,160.00 MPa0.69 MPa

0.14 3490

4.4.3 Vickers Hardness

NANA

121 3430

4.5 Speed of Sound

5,970.00 m/s3,200.00 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

2617

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

2.200.93

0.7 2.54

5.3.2 Sanderson Electronegativity

NA0.56

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.421.01

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NA0.91

0.62 2.48

5.3.5 Allen Electronegativity

1.540.87

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

1.803.07

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

710.20 kJ/mol495.80 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

710.22 kJ/mol4,562.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,747.00 kJ/mol6,910.30 kJ/mol

1600 34230

5.5.4 4th Energy Level

NA9,543.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA13,354.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA16,613.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA20,117.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA25,496.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA28,932.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA141,362.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA159,076.00 kJ/mol

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

1.26 g/amp-hr0.86 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

4.71 eV2.75 eV

2.14 5.65

5.8 Other Chemical Properties

Anti Corrosion, Ionization, Radioactive Isotopes, Solubility

Chemical Stability, Corrosion, Flammability, Ionization, Solubility

6 Atomic

6.1 Atomic Number

4411

3 117

6.2 Electron Configuration

[Kr] 4d⁷ 5s¹

[Ne] 3s¹

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

4411

3 117

6.4.2 Number of Neutrons

5712

4 184

6.4.3 Number of Electrons

4411

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

134.00 pm186.00 pm

112 265

6.5.2 Covalent Radius

146.00 pm166.00 pm

96 260

6.5.3 Van der Waals Radius

200.00 pm227.00 pm

139 348

6.6 Atomic Weight

101.07 amu22.99 amu

6.94 294

6.7 Atomic Volume

8.30 cm3/mol23.70 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)14.10 (-eV)

8 392.42

6.10 Lattice Constant

270.59 pm429.06 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, 2 π/3

π/2, π/2, π/2

6.12 Lattice C/A Ratio

1.58NA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

12.45 g/cm³0.97 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

10.65 g/cm30.93 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

NANA

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

0.00 (Pa)NA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

173.00 GPa3.30 GPa

1.3 222

7.5.2 Bulk Modulus

220.00 GPa6.30 GPa

1.6 462

7.5.3 Young's Modulus

447.00 GPa10.00 GPa

1.7 528

7.6 Poisson Ratio

0.30NA

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

12.450.97

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·m47.70 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.14 10⁶/cm Ω0.21 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

101.30 kJ/mol52.80 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.24 J/(kg K)1.23 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

24.06 J/mol·K28.23 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

117.00 W/m·K142.00 W/m·K

6.3 429

9.4 Critical Temperature

NA2,573.00 K

26.3 3223

9.5 Thermal Expansion

6.40 µm/(m·K)71.00 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

567.80 kJ/mol89.04 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

25.50 kJ/mol2.59 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

603.00 kJ/mol108.40 kJ/mol

61.5 837

9.7 Standard Molar Entropy

28.50 J/mol.K51.30 J/mol.K

9.5 198.1

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