Gadolinium

Zinc

Gadolinium vs Zinc

Gadolinium

Zinc

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1 Periodic Table

1.1 Symbol

1.2 Group Number

012

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

74405427440666

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

Gadolinium is not found free in nature, hence it is not a native metal.
Gadolinium 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

Jean Charles Galissard de Marignac

Indian metallurgists

2.3.2 Discovery

In 1880

Before 1000 BCE

2.4 Abundance

2.4.1 Abundance In Universe

2 * 10^-7 %3 * 10^-5 %

5E-09 0.11

2.4.2 Abundance In Sun

~0.0000002 %~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

Its alloys are also used in making Magnets, electronic components and Data storage devices.
Compound of Gadolinium metal are used in magnetic resonance imaging (MRI).

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

1,311.00 °C419.58 °C

27 3410

4.2 Boiling Point

3,233.00 °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

NA327.00 MPa

0.14 3490

4.4.3 Vickers Hardness

510.00 MPaNA

121 3430

4.5 Speed of Sound

2,680.00 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

2625

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.201.65

0.7 2.54

5.3.2 Sanderson Electronegativity

NA2.23

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.111.66

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

2.802.35

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

593.40 kJ/mol906.40 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,170.00 kJ/mol1,733.30 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

1,990.00 kJ/mol3,833.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

4,250.00 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

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

0.16812 8.3209

5.7 Electron Work Function

3.10 eV4.33 eV

2.14 5.65

5.8 Other Chemical Properties

Corrosion, Flammable, Ionization, Radioactive Isotopes

Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

6430

3 117

6.2 Electron Configuration

[Xe] 4f⁷ 5d¹ 6s²

[Ar] 3d¹⁰ 4s²

6.3 Crystal Structure

Hexagonal Close Packed (HCP)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

6430

3 117

6.4.2 Number of Neutrons

9335

4 184

6.4.3 Number of Electrons

6430

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

180.00 pm134.00 pm

112 265

6.5.2 Covalent Radius

196.00 pm122.00 pm

96 260

6.5.3 Van der Waals Radius

237.00 pm139.00 pm

139 348

6.6 Atomic Weight

47.87 amu65.38 amu

6.94 294

6.7 Atomic Volume

19.90 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

46.10 (-eV)38.90 (-eV)

8 392.42

6.10 Lattice Constant

363.60 pm266.49 pm

228.58 891.25

6.11 Lattice Angles

π/2, π/2, 2 π/3

6.12 Lattice C/A Ratio

1.59NA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

7.90 g/cm³7.14 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

7.40 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

7.39 (Pa)NA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

21.80 GPa43.00 GPa

1.3 222

7.5.2 Bulk Modulus

37.90 GPa70.00 GPa

1.6 462

7.5.3 Young's Modulus

54.80 GPa108.00 GPa

1.7 528

7.6 Poisson Ratio

0.260.25

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

7.906.90

0.53 4500

8.1.2 Magnetic Ordering

Ferromagnetic

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

1.31 nΩ·m59.00 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.01 10⁶/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

0.23 J/(kg K)0.39 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

37.03 J/mol·K25.47 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

10.60 W/m·K116.00 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

9.40 µm/(m·K)30.20 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

359.40 kJ/mol7.32 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

10.05 kJ/mol7.32 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

352.00 kJ/mol129.70 kJ/mol

61.5 837

9.7 Standard Molar Entropy

68.10 J/mol.K41.60 J/mol.K

9.5 198.1

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