Americium

Aluminium

Americium vs Aluminium

Americium

Aluminium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

NA13

0 17

1.3 Period Number

2 7

1.4 Block

f block

p block

1.5 Element Family

Actinide

Post-Transition

1.6 CAS Number

74403597429905

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

Americium metal is produced by bombarding Plutonium with Neutrons.

Americium metal was discovered as a by-product while testing an atomic bomb (Manhattan Project).

Aluminum’s abundance percentage is more as it is found in more than 260 minerals.

Pure Aluminum always reacts with oxygen rapidly.

It is a good conductor of heat and electricity and used in transmission lines.

2.2 Sources

Obtained By Bombarding Plutonium with Neutrons

By Electrolysis Process, Earth's crust, Mining

2.3 History

2.3.1 Who Discovered

Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso

Hans Christian Oersted

2.3.2 Discovery

In 1944

In 1825

2.4 Abundance

2.4.1 Abundance In Universe

NA5 * 10^-3 %

5E-09 0.11

2.4.2 Abundance In Sun

~-9999 %~0.006 %

1E-08 0.1

2.4.3 Abundance In Meteorites

NA0.91 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

NA8.10 %

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

Americium metal is used in smoke detection alarms.
In the future, this metal has a potential to be used in batteries of spacecrafts.

Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.

3.1.1 Industrial Uses

Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry

3.1.2 Medical Uses

Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing

3.1.3 Other Uses

Alloys, Nuclear Research, Research Purposes

Alloys, Jewellery, Sculptures, Statues

3.2 Biological Properties

3.2.1 Toxicity

Toxic

Non Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.00 Blood/mg dm-30.39 Blood/mg dm-3

0 1970

3.2.4 In Bone

0.00 p.p.m.27.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

994.00 °C660.37 °C

27 3410

4.2 Boiling Point

2,607.00 °C2,467.00 °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

NA2.75

0.2 8.5

4.4.2 Brinell Hardness

NA160.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA160.00 MPa

121 3430

4.5 Speed of Sound

NA5,000.00 m/s

818 16200

4.6 Optical Properties

4.6.1 Refractive Index

NANA

1.000933 1.7229

4.6.2 Reflectivity

NA71.00 %

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

1611

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.301.61

0.7 2.54

5.3.2 Sanderson Electronegativity

NA1.71

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.201.47

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

NA1.83

0.62 2.48

5.3.5 Allen Electronegativity

NA1.61

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.702.39

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

578.00 kJ/mol577.50 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,158.00 kJ/mol1,816.70 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,132.00 kJ/mol2,744.80 kJ/mol

1600 34230

5.5.4 4th Energy Level

3,493.00 kJ/mol11,577.00 kJ/mol

2780 37066

5.5.5 5th Energy Level

NA14,842.00 kJ/mol

4305.2 97510

5.5.6 6th Energy Level

NA18,379.00 kJ/mol

5715.8 105800

5.5.7 7th Energy level

NA23,326.00 kJ/mol

7226.8 114300

5.5.8 8th Energy Level

NA27,465.00 kJ/mol

8857.4 125300

5.5.9 9th Energy Level

NA31,853.00 kJ/mol

14110 134700

5.5.10 10th Energy Level

NA38,473.00 kJ/mol

17100 144300

5.5.11 11th Energy Level

NA42,647.00 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

3.02 g/amp-hr0.34 g/amp-hr

0.16812 8.3209

5.7 Electron Work Function

NA4.28 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes, Radioactivity, Solubility

Chemical Stability, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

9513

3 117

6.2 Electron Configuration

[Rn] 5f⁷ 7s²

[Ne] 3s² 3p¹

6.3 Crystal Structure

Double Hexagonal Close Packed (DHCP)

Face Centered Cubic (FCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

9513

3 117

6.4.2 Number of Neutrons

14814

4 184

6.4.3 Number of Electrons

9513

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

173.00 pm143.00 pm

112 265

6.5.2 Covalent Radius

180.00 pm121.00 pm

96 260

6.5.3 Van der Waals Radius

244.00 pm184.00 pm

139 348

6.6 Atomic Weight

243.00 amu26.98 amu

6.94 294

6.7 Atomic Volume

17.86 cm3/mol10.00 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

44.00 (-eV)80.70 (-eV)

8 392.42

6.10 Lattice Constant

346.81 pm404.95 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

NANA

1.567 1.886

7 Mechanical

7.1 Density

7.1.1 Density At Room Temperature

12.00 g/cm³2.70 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

NA2.38 g/cm3

0.512 20

7.2 Tensile Strength

NA40.00 MPa

2.5 11000

7.3 Viscosity

NANA

0.001526 0.001526

7.4 Vapor Pressure

7.4.1 Vapor Pressure at 1000 K

0.00 (Pa)0.00 (Pa)

2.47E-11 121

7.4.2 Vapor Pressure at 2000 K

NANA

2.62E-10 774

7.5 Elasticity properties

7.5.1 Shear Modulus

NA26.00 GPa

1.3 222

7.5.2 Bulk Modulus

NA76.00 GPa

1.6 462

7.5.3 Young's Modulus

NA70.00 GPa

1.7 528

7.6 Poisson Ratio

NA0.35

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

13.672.72

0.53 4500

8.1.2 Magnetic Ordering

Paramagnetic

8.1.3 Permeability

NA0.00 H/m

1.25643E-06 0.0063

8.1.4 Susceptibility

NA0.00

-0.000166 200000

8.2 Electrical Properties

8.2.1 Electrical Property

Unknown

Conductor

8.2.2 Resistivity

0.69 nΩ·m28.20 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.02 10⁶/cm Ω0.38 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

NA42.50 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.11 J/(kg K)0.90 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

62.70 J/mol·K24.20 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

10.00 W/m·K237.00 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

NA23.10 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

NA293.70 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

14.39 kJ/mol10.67 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

268.00 kJ/mol322.20 kJ/mol

61.5 837

9.7 Standard Molar Entropy

NA28.30 J/mol.K

9.5 198.1

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