Neodymium

Zinc

Neodymium vs Zinc

Neodymium

Zinc

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1 Periodic Table

1.1 Symbol

1.2 Group Number

112

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

74400087440666

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

Neodymium is not found free in nature, hence it is not a native metal.
Neodymium metal found in minerals like Monazite and Bastnaesite.

Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.

2.2 Sources

Found in Minerals, Mining

Earth's crust, Found in Minerals, Mining, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Carl Auer von Welsbach

Indian metallurgists

2.3.2 Discovery

In 1885

Before 1000 BCE

2.4 Abundance

2.4.1 Abundance In Universe

1 * 10^-6 %3 * 10^-5 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.0000003 %~0.0002 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.02 %

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

Neodymium-Iron-boron alloy is used to make permanent magnets.
It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.

It is mainly used for Galvanizing other metals.
It is also used for manufacturing die-casting and it is very essential for automobile industry.

3.1.1 Industrial Uses

Aerospace Industry, Electrical Industry, Electronic Industry

Electrical Industry, Electronic Industry

3.1.2 Medical Uses

Pharmaceutical Industry

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Non Toxic

Highly Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

NA7.00 Blood/mg dm-3

0 1970

3.2.4 In Bone

NA170.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

1,010.00 °C419.58 °C

27 3410

4.2 Boiling Point

3,127.00 °C907.00 °C

147 5660

4.3 Appearance

4.3.1 Physical State

Solid

4.3.2 Color

Silvery White

Silvery Gray

4.3.3 Luster

Metallic

4.4 Hardness

4.4.1 Mohs Hardness

NA2.50

0.2 8.5

4.4.2 Brinell Hardness

265.00 MPa327.00 MPa

0.14 3490

4.4.3 Vickers Hardness

345.00 MPaNA

121 3430

4.5 Speed of Sound

2,330.00 m/s3,850.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NA1.00

1.000933 1.7229

4.6.2 Reflectivity

NA80.00 %

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

3025

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.141.65

0.7 2.54

5.3.2 Sanderson Electronegativity

NA2.23

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.071.66

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NA1.65

0.62 2.48

5.3.5 Allen Electronegativity

NA1.59

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.862.35

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

533.10 kJ/mol906.40 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,040.00 kJ/mol1,733.30 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,130.00 kJ/mol3,833.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,900.00 kJ/mol5,731.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA7,970.00 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

NA12,900.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA16,800.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA19,600.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA23,000.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA26,400.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NA29,990.00 kJ/mol

22219 189368

5.5.13 13th Energy Level

NA40,490.00 kJ/mol

26930 76015

5.5.14 14th Energy Level

NA43,800.00 kJ/mol

29196 86450

5.5.15 15th Energy Level

NA47,300.00 kJ/mol

41987 97510

5.5.16 16th Energy Level

NA52,300.00 kJ/mol

47206 109480

5.5.17 17th Energy Level

NA55,900.00 kJ/mol

52737 122200

5.5.18 18th Energy Level

NA59,700.00 kJ/mol

58570 134810

5.5.19 19th Energy Level

NA67,300.00 kJ/mol

64702 148700

5.5.20 20th Energy Level

NA171,200.00 kJ/mol

80400 171200

5.5.21 21st Energy Level

NA179,100.00 kJ/mol

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

1.79 g/amp-hr1.22 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

3.20 eV4.33 eV

2.14 5.65

5.8 Other Chemical Properties

Chemical Stability, Corrosion, Flammable, Ionization

Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

6030

3 117

6.2 Electron Configuration

[Xe] 4f⁴ 6s²

[Ar] 3d¹⁰ 4s²

6.3 Crystal Structure

Double Hexagonal Close Packed (DHCP)

Hexagonal Close Packed (HCP)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

6030

3 117

6.4.2 Number of Neutrons

8435

4 184

6.4.3 Number of Electrons

6030

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

181.00 pm134.00 pm

112 265

6.5.2 Covalent Radius

201.00 pm122.00 pm

96 260

6.5.3 Van der Waals Radius

229.00 pm139.00 pm

139 348

6.6 Atomic Weight

144.24 amu65.38 amu

6.94 294

6.7 Atomic Volume

20.60 cm3/mol9.20 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

43.40 (-eV)38.90 (-eV)

8 392.42

6.10 Lattice Constant

365.80 pm266.49 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, 2 π/3

6.12 Lattice C/A Ratio

1.61NA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

7.01 g/cm³7.14 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

6.89 g/cm36.57 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

0.00 (Pa)NA

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

101.00 (Pa)NA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

16.30 GPa43.00 GPa

1.3 222

7.5.2 Bulk Modulus

31.80 GPa70.00 GPa

1.6 462

7.5.3 Young's Modulus

41.40 GPa108.00 GPa

1.7 528

7.6 Poisson Ratio

0.280.25

0.032 0.47

7.7 Other Mechanical Properties

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

7.006.90

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

Diamagnetic

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

643.00 nΩ·m59.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.02 10⁶/cm Ω0.17 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

50.00 kJ/mol0.00 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.19 J/(kg K)0.39 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

27.45 J/mol·K25.47 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

16.50 W/m·K116.00 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

9.60 µm/(m·K)30.20 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

273.00 kJ/mol7.32 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

7.14 kJ/mol7.32 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

322.00 kJ/mol129.70 kJ/mol

61.5 837

9.7 Standard Molar Entropy

71.50 J/mol.K41.60 J/mol.K

9.5 198.1

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