Lanthanum

Nickel

Lanthanum Nickel Comparison

Lanthanum

Nickel

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1 Periodic Table

1.1 Symbol

1.2 Group Number

NA10

0 17

1.3 Period Number

2 7

1.4 Block

f block

d block

1.5 Element Family

Lanthanide

Transition Metal

1.6 CAS Number

74399107440020

7429905 54386242

1.7 Space Group Name

P63/mmc

Fm_ 3m

1.8 Space Group Number

194.00225.00

11 229

2 Facts

2.1 Interesting Facts

Lanthanum metal is highly malleable, ductile and sectile.
If exposed to air Lanthanum metal oxidizes rapidly.

Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
After iron, Zinc metal the second most abundant element in the earth crust.

2.2 Sources

Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Carl Gustaf Mosander

Axel Fredrik Cronstedt

2.3.2 Discovery

In 1838

In 1751

2.4 Abundance

2.4.1 Abundance In Universe

2 * 10^-7 %6 * 10^-3 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.0000002 %~0.008 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %1.30 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %0.01 %

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

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

It has no commercial uses, but its alloys are in high demand. Lanthanum and Nickel alloy is used for the hydrogen gas storage.
The best-known use for mischmetal alloy of Lanthanum is; as a ‘flints’ for cigarette lighters.

It has corrosion resistance and hence it is used to plate other metals.
Its alloys are very useful; Nichrome alloy is used in the hot coil of toasters and electric oven.

3.1.1 Industrial Uses

Electrical Industry, Electronic Industry

Automobile Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Alloys, Mirror Manufacturing

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Low Toxic

Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

NA0.05 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.08 p.p.m.0.70 p.p.m.

0 170000

4 Physical

4.1 Melting Point

920.00 °C1,453.00 °C

27 3410

4.2 Boiling Point

3,469.00 °C2,732.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silvery White

Silver

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

2.504.00

0.2 8.5

4.4.2 Brinell Hardness

350.00 MPa667.00 MPa

0.14 3490

4.4.3 Vickers Hardness

360.00 MPa638.00 MPa

121 3430

4.5 Speed of Sound

2,475.00 m/s4,900.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NA72.00 %

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

3125

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.101.91

0.7 2.54

5.3.2 Sanderson Electronegativity

NA1.94

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.081.75

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

NA1.88

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.902.09

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

538.10 kJ/mol737.10 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,067.00 kJ/mol1,753.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

1,850.30 kJ/mol3,395.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

4,819.00 kJ/mol5,300.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

5,940.00 kJ/mol7,339.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA10,400.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA12,800.00 kJ/mol

7226.8 114300

1.2.1 8th Energy Level

NA15,600.00 kJ/mol

8857.4 125300

1.2.2 9th Energy Level

NA18,600.00 kJ/mol

14110 134700

1.3.1 10th Energy Level

NA21,670.00 kJ/mol

17100 144300

1.6.1 11th Energy Level

NA30,970.00 kJ/mol

19900 169988

1.8.1 12th Energy Level

NA34,000.00 kJ/mol

22219 189368

1.8.2 13th Energy Level

NA37,100.00 kJ/mol

26930 76015

2.4.2 14th Energy Level

NA41,500.00 kJ/mol

29196 86450

2.4.4 15th Energy Level

NA44,800.00 kJ/mol

41987 97510

2.4.6 16th Energy Level

NA48,100.00 kJ/mol

47206 109480

2.4.8 17th Energy Level

NA55,101.00 kJ/mol

52737 122200

2.4.9 18th Energy Level

NA58,570.00 kJ/mol

58570 134810

2.4.11 19th Energy Level

NA148,700.00 kJ/mol

64702 148700

2.4.13 20th Energy Level

NA159,000.00 kJ/mol

80400 171200

3.1.1 21st Energy Level

NA169,400.00 kJ/mol

87000 179100

3.2.4 22nd Energy Level

NA182,700.00 kJ/mol

93400 184900

3.2.6 23rd Energy Level

NA194,000.00 kJ/mol

98420 198800

3.2.7 24th Energy Level

NANA

104400 195200

4.1.1 25th Energy Level

NANA

121900 121900

4.1.2 26th Energy Level

NANA

127700 127700

4.2.1 27th Energy Level

NANA

133800 133800

4.2.2 28th Energy Level

NANA

139800 139800

4.4.2 29th Energy Level

NANA

148100 148100

4.4.3 30th Energy Level

NANA

154500 154500

4.5 Electrochemical Equivalent

1.73 g/amp-hr1.10 g/amp-hr

0.16812 8.3209

4.6 Electron Work Function

3.50 eV5.15 eV

2.14 5.65

4.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Solubility

Anti Corrosion, Ionization, Radioactive Isotopes

5 Atomic

5.1 Atomic Number

5728

3 117

5.3 Electron Configuration

[Xe] 5d² 6s²

[Ar] 3d⁸ 4s² Or [Ar] 3d⁹ 4s¹

5.4 Crystal Structure

Double Hexagonal Close Packed (DHCP)

Face Centered Cubic (FCC)

5.4.1 Crystal Lattice

5.5 Atom

5.5.1 Number of Protons

5728

3 117

6.2.2 Number of Neutrons

8231

4 184

6.3.2 Number of Electrons

5728

3 117

6.4 Radius of an Atom

6.4.1 Atomic Radius

187.00 pm124.00 pm

112 265

6.4.3 Covalent Radius

207.00 pm124.00 pm

96 260

6.4.5 Van der Waals Radius

240.00 pm163.00 pm

139 348

6.5 Atomic Weight

138.91 amu58.69 amu

6.94 294

6.7 Atomic Volume

20.73 cm3/mol6.59 cm3/mol

1.39 71.07

6.9 Adjacent Atomic Numbers

6.9.1 Previous Element

6.9.2 Next Element

6.10 Valence Electron Potential

40.71 (-eV)42.00 (-eV)

8 392.42

6.11 Lattice Constant

377.20 pm352.40 pm

228.58 891.25

6.12 Lattice Angles

π/2, π/2, 2 π/3

π/2, π/2, π/2

6.13 Lattice C/A Ratio

1.62NA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

6.16 g/cm³8.91 g/cm³

0.534 40.7

7.1.4 Density When Liquid (at m.p.)

5.94 g/cm37.81 g/cm3

0.512 20

7.2 Tensile Strength

NA345.00 MPa

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

7.4.3 Vapor Pressure at 2000 K

0.98 (Pa)19.50 (Pa)

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

14.30 GPa76.00 GPa

1.3 222

7.5.3 Bulk Modulus

27.90 GPa180.00 GPa

1.6 462

7.5.5 Young's Modulus

36.60 GPa200.00 GPa

1.7 528

7.6 Poisson Ratio

0.280.31

0.032 0.47

7.7 Other Mechanical Properties

Ductile

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

6.178.90

0.53 4500

8.1.3 Magnetic Ordering

Paramagnetic

Ferromagnetic

8.1.4 Permeability

NA0.00 H/m

1.25643E-06 0.0063

8.1.6 Susceptibility

NA600.00

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Conductor

8.2.2 Resistivity

615.00 nΩ·m69.30 nΩ·m

0.18 961

8.2.7 Electrical Conductivity

0.01 10⁶/cm Ω0.14 10⁶/cm Ω

0.00666 0.63

8.2.12 Electron Affinity

48.00 kJ/mol112.00 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.19 J/(kg K)0.44 J/(kg K)

0.11 3.6

10.2 Molar Heat Capacity

27.11 J/mol·K26.07 J/mol·K

16.443 62.7

10.6 Thermal Conductivity

13.40 W/m·K90.90 W/m·K

6.3 429

10.8 Critical Temperature

NANA

26.3 3223

10.10 Thermal Expansion

12.10 µm/(m·K)13.40 µm/(m·K)

4.5 97

10.15 Enthalpy

10.15.1 Enthalpy of Vaporization

399.60 kJ/mol371.80 kJ/mol

7.32 799.1

11.1.2 Enthalpy of Fusion

6.20 kJ/mol17.57 kJ/mol

2.1 35.23

11.4.2 Enthalpy of Atomization

431.00 kJ/mol422.60 kJ/mol

61.5 837

11.6 Standard Molar Entropy

56.90 J/mol.K29.90 J/mol.K

9.5 198.1

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