Gallium

Aluminium

Gallium vs Aluminium

Gallium

Aluminium

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1 Periodic Table

1.1 Symbol

1.2 Group Number

1313

0 17

1.3 Period Number

2 7

1.4 Block

p block

1.5 Element Family

Post-Transition

1.6 CAS Number

74405537429905

7429905 54386242

1.7 Space Group Name

Cmca

Fm_ 3m

1.8 Space Group Number

64.00225.00

11 229

2 Facts

2.1 Interesting Facts

A gram of Gallium metal can be bought for only three dollars.
Gallium metal found in ores of following things Coal, Bauxite, Diaspore, Sphalerite, Germanite and Zinc.

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

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

By Electrolysis Process, Earth's crust, Mining

2.3 History

2.3.1 Who Discovered

Lecoq de Boisbaudran

Hans Christian Oersted

2.3.2 Discovery

In 1875

In 1825

2.4 Abundance

2.4.1 Abundance In Universe

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

5E-09 0.11

2.4.2 Abundance In Sun

~0.000004 %~0.006 %

1E-08 0.1

2.4.3 Abundance In Meteorites

0.00 %0.91 %

1.7E-07 22

2.4.4 Abundance In Earth's Crust

0.00 %8.10 %

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

Gallium arsenide is a very important component of many semiconductors and led manufacturing.

Gallium nitride is also know as a semiconductor and it is used in Blu-ray technology, mobile smartphones and LED.

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

Electrical Industry, Electronic Industry

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

3.1.2 Medical Uses

Surgical Instruments Manufacturing

Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing

3.1.3 Other Uses

Alloys

Alloys, Jewellery, Sculptures, Statues

3.2 Biological Properties

3.2.1 Toxicity

Non Toxic

3.2.2 Present in Human Body

✔ ✘

3.2.3 In Blood

0.08 Blood/mg dm-30.39 Blood/mg dm-3

0 1970

3.2.4 In Bone

NA27.00 p.p.m.

0 170000

4 Physical

4.1 Melting Point

29.78 °C660.37 °C

27 3410

4.2 Boiling Point

2,403.00 °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

1.502.75

0.2 8.5

4.4.2 Brinell Hardness

56.80 MPa160.00 MPa

0.14 3490

4.4.3 Vickers Hardness

NA160.00 MPa

121 3430

4.5 Speed of Sound

2,740.00 m/s5,000.00 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

2411

0 38

5.3 Electronegativity

5.3.1 Pauling Electronegativity

1.811.61

0.7 2.54

5.3.2 Sanderson Electronegativity

2.421.71

0.22 2.56

5.3.3 Allred Rochow Electronegativity

1.821.47

0.86 1.82

5.3.4 Mulliken-Jaffe Electronegativity

2.011.83

0.62 2.48

5.3.5 Allen Electronegativity

1.761.61

0.659 2.7

5.4 Electropositivity

5.4.1 Pauling Electropositivity

2.192.39

1.46 3.3

5.5 Ionization Energies

5.5.1 1st Energy Level

578.80 kJ/mol577.50 kJ/mol

375.7 26130

5.5.2 2nd Energy Level

1,979.30 kJ/mol1,816.70 kJ/mol

710.2162 28750

5.5.3 3rd Energy Level

2,963.00 kJ/mol2,744.80 kJ/mol

1600 34230

5.5.4 4th Energy Level

6,180.00 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

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

0.16812 8.3209

5.7 Electron Work Function

4.20 eV4.28 eV

2.14 5.65

5.8 Other Chemical Properties

Ionization, Radioactive Isotopes

Chemical Stability, Ionization, Radioactive Isotopes

6 Atomic

6.1 Atomic Number

3113

3 117

6.2 Electron Configuration

[Ar] 3d¹⁰ 4s² 4p¹

[Ne] 3s² 3p¹

6.3 Crystal Structure

Orthorhombic (ORTH)

Face Centered Cubic (FCC)

6.3.1 Crystal Lattice

6.4 Atom

6.4.1 Number of Protons

3113

3 117

6.4.2 Number of Neutrons

3914

4 184

6.4.3 Number of Electrons

3113

3 117

6.5 Radius of an Atom

6.5.1 Atomic Radius

135.00 pm143.00 pm

112 265

6.5.2 Covalent Radius

122.00 pm121.00 pm

96 260

6.5.3 Van der Waals Radius

187.00 pm184.00 pm

139 348

6.6 Atomic Weight

69.72 amu26.98 amu

6.94 294

6.7 Atomic Volume

11.80 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

69.70 (-eV)80.70 (-eV)

8 392.42

6.10 Lattice Constant

451.97 pm404.95 pm

228.58 891.25

6.11 Lattice Angles

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

5.91 g/cm³2.70 g/cm³

0.534 40.7

7.1.2 Density When Liquid (at m.p.)

6.10 g/cm32.38 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

9.80 GPa70.00 GPa

1.7 528

7.6 Poisson Ratio

0.470.35

0.032 0.47

7.7 Other Mechanical Properties

Ductile, Malleable

8 Magnetic

8.1 Magnetic Characteristics

8.1.1 Specific Gravity

5.912.72

0.53 4500

8.1.2 Magnetic Ordering

Diamagnetic

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

Semiconductor

Conductor

8.2.2 Resistivity

270.00 nΩ·m28.20 nΩ·m

0.18 961

8.2.3 Electrical Conductivity

0.07 10⁶/cm Ω0.38 10⁶/cm Ω

0.00666 0.63

8.2.4 Electron Affinity

28.90 kJ/mol42.50 kJ/mol

0 222.8

9 Thermal

9.1 Specific Heat

0.37 J/(kg K)0.90 J/(kg K)

0.11 3.6

9.2 Molar Heat Capacity

25.86 J/mol·K24.20 J/mol·K

16.443 62.7

9.3 Thermal Conductivity

40.60 W/m·K237.00 W/m·K

6.3 429

9.4 Critical Temperature

NANA

26.3 3223

9.5 Thermal Expansion

18.00 µm/(m·K)23.10 µm/(m·K)

4.5 97

9.6 Enthalpy

9.6.1 Enthalpy of Vaporization

256.10 kJ/mol293.70 kJ/mol

7.32 799.1

9.6.2 Enthalpy of Fusion

5.59 kJ/mol10.67 kJ/mol

2.1 35.23

9.6.3 Enthalpy of Atomization

276.10 kJ/mol322.20 kJ/mol

61.5 837

9.7 Standard Molar Entropy

40.80 J/mol.K28.30 J/mol.K

9.5 198.1

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