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Gallium Beryllium Comparison


Beryllium Gallium comparison


Periodic Table

Symbol
Ga  
Be  

Group Number
13  
5
2  
16

Period Number
4  
2  

Block
p block  
s block  

Element Family
Post-​Transition  
Alkaline Earth  

CAS Number
7440553  
32
7440417  
99+

Space Group Name
Cmca  
P63/mmc  

Space Group Number
64.00  
12
194.00  
7

Facts

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.
  
  • Beryllium is best anti corrosion metal.
  • Beryllium is the lightest metal and still it is stronger than steel.
  • It also finds various applications in Nuclear reactors as a reflector.
  

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

History
  
  

Who Discovered
Lecoq de Boisbaudran  
Louis Nicolas Vauquelin  

Discovery
In 1875  
In 1797  

Abundance
  
  

Abundance In Universe
0.00 %  
17
0.00 %  
24

Abundance In Sun
0.00 %  
16
0.00 %  
29

Abundance In Meteorites
0.00 %  
16
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
24
0.00 %  
35

Abundance In Oceans
0.00 %  
22
0.00 %  
39

Abundance In Humans
0.00 %  
24
0.00 %  
22

Uses

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.
  
  • Its alloys with copper or nickel are used in manufacturing Gyroscopes, springs, electrical contact and non sparking tools.
  • Beryllium Alloys are used as a material for aircraft, missiles, spacecraft and satellite.
  

Industrial Uses
Electrical Industry, Electronic Industry  
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry  

Medical Uses
Surgical Instruments Manufacturing  
-  

Other Uses
Alloys  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Toxic  

Present in Human Body
Yes  
Yes  

In Blood
0.08 Blood/mg dm-3  
13
0.00 Blood/mg dm-3  
35

In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
37

Physical

Melting Point
29.78 °C  
99+
1,278.00 °C  
36

Boiling Point
2,403.00 °C  
99+
2,970.00 °C  
33

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
White Gray  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
1.50  
19
5.50  
7

Brinell Hardness
56.80 MPa  
99+
590.00 MPa  
25

Vickers Hardness
111.00 MPa  
99+
1,670.00 MPa  
9

Speed of Sound
2,740.00 m/s  
99+
12,890.00 m/s  
2

Optical Properties
  
  

Refractive Index
1.81  
20
1.56  
34

Reflectivity
36.00 %  
33
65.00 %  
18

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ga  
Be  

Isotopes
  
  

Known Isotopes
24  
15
9  
29

Electronegativity
  
  

Pauling Electronegativity
1.81  
16
1.57  
25

Sanderson Electronegativity
2.42  
2
1.81  
15

Allred Rochow Electronegativity
1.82  
2
1.47  
15

Mulliken-Jaffe Electronegativity
2.01  
9
1.54  
24

Allen Electronegativity
1.76  
17
1.58  
26

Electropositivity
  
  

Pauling Electropositivity
2.19  
40
2.43  
30

Ionization Energies
  
  

1st Energy Level
578.80 kJ/mol  
99+
899.50 kJ/mol  
7

2nd Energy Level
1,979.30 kJ/mol  
13
1,757.10 kJ/mol  
24

3rd Energy Level
2,963.00 kJ/mol  
28
14,848.70 kJ/mol  
2

4th Energy Level
6,180.00 kJ/mol  
16
21,006.60 kJ/mol  
2

5th Energy Level
5,787.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

6th Energy Level
5,787.00 kJ/mol  
99+
1,470.00 kJ/mol  
99+

7th Energy level
5,780.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

8th Energy Level
5,780.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

9th Energy Level
5,787.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

10th Energy Level
5,787.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

11th Energy Level
5,780.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

12th Energy Level
57,800.00 kJ/mol  
20
29,700.00 kJ/mol  
35

13th Energy Level
5,780.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

14th Energy Level
578.00 kJ/mol  
99+
2,970.00 kJ/mol  
99+

15th Energy Level
57,800.00 kJ/mol  
99+
89,900.00 kJ/mol  
5

16th Energy Level
57,800.00 kJ/mol  
99+
89,900.00 kJ/mol  
8

17th Energy Level
578.80 kJ/mol  
99+
2,970.00 kJ/mol  
14

18th Energy Level
5,787.00 kJ/mol  
99+
8,995.00 kJ/mol  
13

19th Energy Level
578.80 kJ/mol  
99+
899.50 kJ/mol  
22

20th Energy Level
578.00 kJ/mol  
99+
899.00 kJ/mol  
12

21st Energy Level
578.80 kJ/mol  
99+
2,970.00 kJ/mol  
26

22nd Energy Level
578.00 kJ/mol  
99+
899.00 kJ/mol  
10

23rd Energy Level
578.80 kJ/mol  
99+
2,970.00 kJ/mol  
31

24th Energy Level
578.80 kJ/mol  
99+
297.30 kJ/mol  
99+

25th Energy Level
578.00 kJ/mol  
99+
2,970.00 kJ/mol  
2

26th Energy Level
578.80 kJ/mol  
99+
2,970.00 kJ/mol  
2

27th Energy Level
578.80 kJ/mol  
99+
297.30 kJ/mol  
99+

28th Energy Level
578.80 kJ/mol  
99+
297.30 kJ/mol  
99+

29th Energy Level
578.80 kJ/mol  
99+
2,970.00 kJ/mol  
2

30th Energy Level
578.80 kJ/mol  
99+
2,970.00 kJ/mol  
2

Electrochemical Equivalent
0.87 g/amp-hr  
99+
0.17 g/amp-hr  
99+

Electron Work Function
4.20 eV  
30
4.98 eV  
10

Other Chemical Properties
Ionization, Radioactive Isotopes  
Corrosion, Ionization, Radioactive Isotopes  

Atomic

Atomic Number
31  
99+
4  
99+

Electron Configuration
[Ar] 3d10 4s2 4p1  
[He] 2s2  

Crystal Structure
Orthorhombic (ORTH)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100  
HCP-Crystal-Structure-of-Beryllium.jpg#100  

Atom
  
  

Number of Protons
31  
99+
4  
99+

Number of Neutrons
39  
99+
5  
99+

Number of Electrons
31  
99+
4  
99+

Radius of an Atom
  
  

Atomic Radius
135.00 pm  
99+
112.00 pm  
99+

Covalent Radius
122.00 pm  
99+
96.00 pm  
99+

Van der Waals Radius
187.00 pm  
39
153.00 pm  
99+

Atomic Weight
69.72 amu  
99+
9.01 amu  
99+

Atomic Volume
11.80 cm3/mol  
99+
5.00 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Zinc
  
Lithium
  

Next Element
Rubidium
  
Sodium
  

Valence Electron Potential
69.70 (-eV)  
19
82.00 (-eV)  
15

Lattice Constant
451.97 pm  
20
228.58 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  

Lattice C/A Ratio
1.30  
99+
1.57  
99+

Mechanical

Density
  
  

Density At Room Temperature
5.91 g/cm3  
99+
1.85 g/cm3  
99+

Density When Liquid (at m.p.)
6.10 g/cm3  
99+
1.69 g/cm3  
99+

Tensile Strength
41.00 MPa  
99+
287.00 MPa  
16

Viscosity
0.00  
23
0.00  
17

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
15
0.00 (Pa)  
20

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
24

Elasticity properties
  
  

Shear Modulus
7.20 GPa  
99+
132.00 GPa  
7

Bulk Modulus
37.30 GPa  
99+
130.00 GPa  
13

Young's Modulus
9.80 GPa  
99+
287.00 GPa  
7

Poisson Ratio
0.47  
1
0.03  
36

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
5.91  
99+
1.85  
99+

Magnetic Ordering
Diamagnetic  
Diamagnetic  

Permeability
0.00 H/m  
11
0.00 H/m  
12

Susceptibility
0.00  
7
0.00  
11

Electrical Properties
  
  

Electrical Property
Semiconductor  
Semiconductor  

Resistivity
270.00 nΩ·m  
15
36.00 nΩ·m  
99+

Electrical Conductivity
0.07 106/cm Ω  
34
0.31 106/cm Ω  
5

Electron Affinity
28.90 kJ/mol  
37
0.00 kJ/mol  
99+

Thermal

Specific Heat
0.37 J/(kg K)  
16
1.82 J/(kg K)  
2

Molar Heat Capacity
25.86 J/mol·K  
99+
16.44 J/mol·K  
99+

Thermal Conductivity
40.60 W/m·K  
34
200.00 W/m·K  
6

Critical Temperature
302.00 K  
99+
1,551.00 K  
39

Thermal Expansion
18.00 µm/(m·K)  
26
11.30 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
256.10 kJ/mol  
99+
294.70 kJ/mol  
99+

Enthalpy of Fusion
5.59 kJ/mol  
99+
11.72 kJ/mol  
36

Enthalpy of Atomization
276.10 kJ/mol  
99+
326.40 kJ/mol  
40

Standard Molar Entropy
40.80 J/mol.K  
99+
9.50 J/mol.K  
99+

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