Plutonium

Chromium

Plutonium vs Chromium

Plutonium

Chromium

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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

f block

d block

1.5 Element Family

Actinide

Transition Metal

1.6 CAS Number

74400757440473

7429905 54386242

1.7 Space Group Name

P121/m1

Im_ 3m

1.8 Space Group Number

11.00229.00

11 229

2 Facts

2.1 Interesting Facts

Plutonium metal if obtain from ores of uranium metal.
Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.

Chromium is highly reactive, hence it is not found free in nature.

Ores of Chromites mineral are the major source of Chromium metal.

Almost 90% leather tanning is done with the help of chromium.

2.2 Sources

Mining, Ores of metals

Found in Minerals, Mining, Ores of metals, Ores of Minerals

2.3 History

2.3.1 Who Discovered

Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan

Louis Nicolas Vauquelin

2.3.2 Discovery

In Between 1940 1941

In Between 1797 - 1798

2.4 Abundance

2.4.1 Abundance In Universe

NA1.5 * 10^-3 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.002 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NA0.30 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

NA0.01 %

9.9E-12 8.1

2.4.5 Abundance In Oceans

NA0.00 %

2E-23 1.1

2.4.6 Abundance In Humans

NA0.00 %

1E-13 1.4

3 Uses

3.1 Uses & Benefits

Plutonium was used in atomic bombs and still it is being used in various weapons and Ammunition industry.
It is also used in nuclear power plant as source of energy for space missions.

It is used to harden the steel and produces a stainless steel and other various alloys.
It is also used to give proper finish to polished mirrors. Its chromium plates are used in bathroom fittings.

3.1.1 Industrial Uses

Aerospace Industry, Ammunition Industry

Automobile Industry, Chemical Industry

3.1.2 Medical Uses

3.1.3 Other Uses

Alloys

3.2 Biological Properties

3.2.1 Toxicity

Toxic

Highly Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-30.11 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.00 p.p.m.0.33 p.p.m.

0 170000

4 Physical

4.1 Melting Point

639.50 °C1,857.00 °C

27 3410

4.2 Boiling Point

3,235.00 °C2,672.00 °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

NA8.50

0.2 8.5

4.4.2 Brinell Hardness

NA687.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA1,060.00 MPa

121 3430

4.5 Speed of Sound

2,260.00 m/s5,940.00 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

2021

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.281.66

0.7 2.54

5.3.2 Sanderson Electronegativity

NA1.66

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.221.56

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NANA

0.62 2.48

5.3.5 Allen Electronegativity

NA1.65

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.722.34

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

584.70 kJ/mol26,130.00 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,128.00 kJ/mol28,750.00 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,084.00 kJ/mol34,230.00 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,338.00 kJ/mol37,066.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA97,510.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA105,800.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA114,300.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA125,300.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA134,700.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA144,300.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA26,130.00 kJ/mol

19900 169988

5.5.12 12th Energy Level

NA28,750.00 kJ/mol

22219 189368

5.5.13 13th Energy Level

NA34,230.00 kJ/mol

26930 76015

5.5.14 14th Energy Level

NA37,066.00 kJ/mol

29196 86450

5.5.15 15th Energy Level

NA97,510.00 kJ/mol

41987 97510

5.5.16 16th Energy Level

NA105,800.00 kJ/mol

47206 109480

5.5.17 17th Energy Level

NA114,300.00 kJ/mol

52737 122200

5.5.18 18th Energy Level

NA125,300.00 kJ/mol

58570 134810

5.5.19 19th Energy Level

NA134,700.00 kJ/mol

64702 148700

5.5.20 20th Energy Level

NA144,300.00 kJ/mol

80400 171200

5.5.21 21st Energy Level

NA157,700.00 kJ/mol

87000 179100

5.5.22 22nd Energy Level

NA166,090.00 kJ/mol

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

1.4.7 27th Energy Level

NANA

133800 133800

1.4.8 28th Energy Level

NANA

139800 139800

1.4.9 29th Energy Level

NANA

148100 148100

1.4.10 30th Energy Level

NANA

154500 154500

1.5 Electrochemical Equivalent

2.28 g/amp-hr0.32 g/amp-hr

0.16812 8.3209

1.6 Electron Work Function

NA4.50 eV

2.14 5.65

1.7 Other Chemical Properties

Corrosion, Ionization, Radioactive Isotopes, Radioactivity

Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes, Solubility

2 Atomic

2.1 Atomic Number

9424

3 117

2.2 Electron Configuration

[Rn] 5f⁶ 7s²

[Ar] 3d⁵ 4s¹

2.3 Crystal Structure

Monoclinic (MON)

Body Centered Cubic (BCC)

2.3.1 Crystal Lattice

2.4 Atom

2.4.1 Number of Protons

9424

3 117

2.4.2 Number of Neutrons

15028

4 184

2.4.3 Number of Electrons

9424

3 117

2.5 Radius of an Atom

2.5.1 Atomic Radius

159.00 pm128.00 pm

112 265

2.5.2 Covalent Radius

187.00 pm139.00 pm

96 260

2.5.3 Van der Waals Radius

200.00 pm200.00 pm

139 348

2.6 Atomic Weight

244.00 amu52.00 amu

6.94 294

2.7 Atomic Volume

12.32 cm3/mol7.23 cm3/mol

1.39 71.07

2.8 Adjacent Atomic Numbers

2.8.1 Previous Element

2.8.2 Next Element

2.9 Valence Electron Potential

64.90 (-eV)170.00 (-eV)

8 392.42

2.10 Lattice Constant

618.30 pm291.00 pm

228.58 891.25

2.11 Lattice Angles

π/2, π/2, π/2

2.12 Lattice C/A Ratio

NANA

1.567 1.886

3 Mechanical

3.1 Density

3.1.1 Density At Room Temperature

19.82 g/cm³7.19 g/cm³

0.534 40.7

3.1.2 Density When Liquid (at m.p.)

16.63 g/cm36.30 g/cm3

0.512 20

3.2 Tensile Strength

NA689.00 MPa

2.5 11000

3.3 Viscosity

NANA

0.001526 0.001526

3.4 Vapor Pressure

3.4.1 Vapor Pressure at 1000 K

0.00 (Pa)0.00 (Pa)

2.47E-11 121

3.4.2 Vapor Pressure at 2000 K

2.20 (Pa)774.00 (Pa)

2.62E-10 774

3.5 Elasticity properties

3.5.1 Shear Modulus

43.00 GPa115.00 GPa

1.3 222

3.5.2 Bulk Modulus

NA160.00 GPa

1.6 462

3.5.3 Young's Modulus

96.00 GPa279.00 GPa

1.7 528

3.6 Poisson Ratio

0.210.21

0.032 0.47

3.7 Other Mechanical Properties

Ductile, Malleable

4 Magnetic

4.1 Magnetic Characteristics

4.1.1 Specific Gravity

19.847.19

0.53 4500

4.1.2 Magnetic Ordering

Paramagnetic

Antiferromagnetic

4.1.3 Permeability

NANA

1.25643E-06 0.0063

4.1.4 Susceptibility

NANA

-0.000166 200000

4.2 Electrical Properties

4.2.1 Electrical Property

Poor Conductor

4.2.2 Resistivity

1.46 nΩ·m125.00 nΩ·m

0.18 961

4.2.3 Electrical Conductivity

0.01 10⁶/cm Ω0.08 10⁶/cm Ω

0.00666 0.63

4.2.4 Electron Affinity

NA64.30 kJ/mol

0 222.8

5 Thermal

5.1 Specific Heat

0.13 J/(kg K)0.45 J/(kg K)

0.11 3.6

5.2 Molar Heat Capacity

35.50 J/mol·K23.35 J/mol·K

16.443 62.7

5.3 Thermal Conductivity

6.74 W/m·K93.90 W/m·K

6.3 429

5.4 Critical Temperature

NANA

26.3 3223

5.5 Thermal Expansion

46.70 µm/(m·K)4.90 µm/(m·K)

4.5 97

5.6 Enthalpy

5.6.1 Enthalpy of Vaporization

344.00 kJ/mol348.80 kJ/mol

7.32 799.1

5.6.2 Enthalpy of Fusion

2.82 kJ/mol15.31 kJ/mol

2.1 35.23

5.6.3 Enthalpy of Atomization

360.00 kJ/mol397.50 kJ/mol

61.5 837

5.7 Standard Molar Entropy

NA23.80 J/mol.K

9.5 198.1

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