Periodic Table
Symbol
Be
Group Number
2
Rank: 16 (Overall)
0
17
👆🏻
Period Number
2
Rank: 6 (Overall)
2
7
👆🏻
Block
s block
Element Family
Alkaline Earth
CAS Number
7440417
Rank: 43 (Overall)
7429905
54386242
👆🏻
Space Group Name
P63/mmc
Space Group Number
194.00
Rank: 5 (Overall)
11
229
👆🏻
Facts
Interesting Facts
- 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 metals, Ores of Minerals
History
Who Discovered
Louis Nicolas Vauquelin
Discovery
In 1797
Abundance
Abundance In Universe
0.00 %
Rank: 23 (Overall)
5E-09
0.11
👆🏻
Abundance In Sun
0.00 %
Rank: 29 (Overall)
1E-08
0.1
👆🏻
Abundance In Meteorites
0.00 %
Rank: 47 (Overall)
1.7E-07
22
👆🏻
Abundance In Earth's Crust
0.00 %
Rank: 35 (Overall)
9.9E-12
8.1
👆🏻
Abundance In Oceans
0.00 %
Rank: 39 (Overall)
2E-23
1.1
👆🏻
Abundance In Humans
0.00 %
Rank: 19 (Overall)
1E-13
1.4
👆🏻
Uses
Uses & Benefits
- 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
Aerospace Industry, Ammunition Industry, Automobile Industry, Electrical Industry, Electronic Industry
Medical Uses
NA
Other Uses
Alloys
Biological Properties
Toxicity
Toxic
Present in Human Body
✔
✘
83% - Alkaline Earth Metals Metals have it !
In Blood
0.00 Blood/mg dm-3
Rank: 32 (Overall)
0
1970
👆🏻
In Bone
0.00 p.p.m.
Rank: 32 (Overall)
0
170000
👆🏻
Physical
Melting Point
1,278.00 °C
Rank: 36 (Overall)
27
3410
👆🏻
Boiling Point
2,970.00 °C
Rank: 32 (Overall)
147
5660
👆🏻
Appearance
Physical State
Solid
Color
White Gray
Luster
Metallic
Hardness
Mohs Hardness
5.50
Rank: 7 (Overall)
0.2
8.5
👆🏻
Brinell Hardness
590.00 MPa
Rank: 21 (Overall)
0.14
3490
👆🏻
Vickers Hardness
1,670.00 MPa
Rank: 4 (Overall)
121
3430
👆🏻
Speed of Sound
12,890.00 m/s
Rank: 2 (Overall)
818
16200
👆🏻
Optical Properties
Refractive Index
Not Available
1.000933
1.7229
👆🏻
Reflectivity
Not Available
58
97
👆🏻
Allotropes
✔
✘
No - Alkaline Earth Metals Metals has it !
α Allotropes
Not Available
β Allotropes
Not Available
γ Allotropes
Not Available
Chemical
Chemical Formula
Be
Isotopes
Known Isotopes
9
Rank: 29 (Overall)
0
38
👆🏻
Electronegativity
Pauling Electronegativity
1.57
Rank: 24 (Overall)
0.7
2.54
👆🏻
Sanderson Electronegativity
1.81
Rank: 12 (Overall)
0.22
2.56
👆🏻
Allred Rochow Electronegativity
1.47
Rank: 14 (Overall)
0.86
1.82
👆🏻
Mulliken-Jaffe Electronegativity
1.54
Rank: 12 (Overall)
0.62
2.48
👆🏻
Allen Electronegativity
1.58
Rank: 23 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.43
Rank: 30 (Overall)
1.46
3.3
👆🏻
Ionization Energies
1st Energy Level
899.50 kJ/mol
Rank: 7 (Overall)
375.7
26130
👆🏻
2nd Energy Level
1,757.10 kJ/mol
Rank: 23 (Overall)
710.2162
28750
👆🏻
3rd Energy Level
14,848.70 kJ/mol
Rank: 2 (Overall)
1600
34230
👆🏻
4th Energy Level
21,006.60 kJ/mol
Rank: 2 (Overall)
2780
37066
👆🏻
5th Energy Level
Not Available
4305.2
97510
👆🏻
6th Energy Level
Not Available
5715.8
105800
👆🏻
7th Energy level
Not Available
7226.8
114300
👆🏻
8th Energy Level
Not Available
8857.4
125300
👆🏻
9th Energy Level
Not Available
14110
134700
👆🏻
10th Energy Level
Not Available
17100
144300
👆🏻
11th Energy Level
Not Available
19900
169988
👆🏻
12th Energy Level
Not Available
22219
189368
👆🏻
13th Energy Level
Not Available
26930
76015
👆🏻
14th Energy Level
Not Available
29196
86450
👆🏻
15th Energy Level
Not Available
41987
97510
👆🏻
16th Energy Level
Not Available
47206
109480
👆🏻
17th Energy Level
Not Available
52737
122200
👆🏻
18th Energy Level
Not Available
58570
134810
👆🏻
19th Energy Level
Not Available
64702
148700
👆🏻
20th Energy Level
Not Available
80400
171200
👆🏻
21st Energy Level
Not Available
87000
179100
👆🏻
22nd Energy Level
Not Available
93400
184900
👆🏻
23rd Energy Level
Not Available
98420
198800
👆🏻
24th Energy Level
Not Available
104400
195200
👆🏻
25th Energy Level
Not Available
121900
121900
👆🏻
26th Energy Level
Not Available
127700
127700
👆🏻
27th Energy Level
Not Available
133800
133800
👆🏻
28th Energy Level
Not Available
139800
139800
👆🏻
29th Energy Level
Not Available
148100
148100
👆🏻
30th Energy Level
Not Available
154500
154500
👆🏻
Electrochemical Equivalent
0.17 g/amp-hr
Rank: 76 (Overall)
0.16812
8.3209
👆🏻
Electron Work Function
4.98 eV
Rank: 6 (Overall)
2.14
5.65
👆🏻
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes
Atomic
Atomic Number
4
Rank: 91 (Overall)
3
117
👆🏻
Electron Configuration
[He] 2s2
Crystal Structure
Hexagonal Close Packed (HCP)
Crystal Lattice
Atom
Number of Protons
4
Rank: 90 (Overall)
3
117
👆🏻
Number of Neutrons
5
Rank: 67 (Overall)
4
184
👆🏻
Number of Electrons
4
Rank: 90 (Overall)
3
117
👆🏻
Radius of an Atom
Atomic Radius
112.00 pm
Rank: 51 (Overall)
112
265
👆🏻
Covalent Radius
96.00 pm
Rank: 54 (Overall)
96
260
👆🏻
Van der Waals Radius
153.00 pm
Rank: 43 (Overall)
139
348
👆🏻
Atomic Weight
9.01 amu
Rank: 85 (Overall)
6.94
294
👆🏻
Atomic Volume
5.00 cm3/mol
Rank: 63 (Overall)
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
82.00 (-eV)
Rank: 15 (Overall)
8
392.42
👆🏻
Lattice Constant
228.58 pm
Rank: 69 (Overall)
228.58
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.57
Rank: 18 (Overall)
1.567
1.886
👆🏻
Mechanical
Density
Density At Room Temperature
1.85 g/cm3
Rank: 78 (Overall)
0.534
40.7
👆🏻
Density When Liquid (at m.p.)
1.69 g/cm3
Rank: 54 (Overall)
0.512
20
👆🏻
Tensile Strength
Not Available
2.5
11000
👆🏻
Viscosity
Not Available
0.001526
0.001526
👆🏻
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa)
Rank: 19 (Overall)
2.47E-11
121
👆🏻
Vapor Pressure at 2000 K
Not Available
2.62E-10
774
👆🏻
Elasticity properties
Shear Modulus
132.00 GPa
Rank: 7 (Overall)
1.3
222
👆🏻
Bulk Modulus
130.00 GPa
Rank: 13 (Overall)
1.6
462
👆🏻
Young's Modulus
287.00 GPa
Rank: 7 (Overall)
1.7
528
👆🏻
Poisson Ratio
0.03
Rank: 35 (Overall)
0.032
0.47
👆🏻
Other Mechanical Properties
NA
Magnetic
Magnetic Characteristics
Specific Gravity
1.85
Rank: 65 (Overall)
0.53
4500
👆🏻
Magnetic Ordering
Diamagnetic
Permeability
Not Available
1.25643E-06
0.0063
👆🏻
Susceptibility
Not Available
-0.000166
200000
👆🏻
Electrical Properties
Electrical Property
Semiconductor
Resistivity
36.00 nΩ·m
Rank: 47 (Overall)
0.18
961
👆🏻
Electrical Conductivity
0.31 106/cm Ω
Rank: 5 (Overall)
0.00666
0.63
👆🏻
Electron Affinity
0.00 kJ/mol
Rank: 40 (Overall)
0
222.8
👆🏻
Thermal
Specific Heat
1.82 J/(kg K)
Rank: 2 (Overall)
0.11
3.6
👆🏻
Molar Heat Capacity
16.44 J/mol·K
Rank: 56 (Overall)
16.443
62.7
👆🏻
Thermal Conductivity
200.00 W/m·K
Rank: 6 (Overall)
6.3
429
👆🏻
Critical Temperature
Not Available
26.3
3223
👆🏻
Thermal Expansion
11.30 µm/(m·K)
Rank: 34 (Overall)
4.5
97
👆🏻
Enthalpy
Enthalpy of Vaporization
294.70 kJ/mol
Rank: 30 (Overall)
7.32
799.1
👆🏻
Enthalpy of Fusion
11.72 kJ/mol
Rank: 30 (Overall)
2.1
35.23
👆🏻
Enthalpy of Atomization
326.40 kJ/mol
Rank: 30 (Overall)
61.5
837
👆🏻
Standard Molar Entropy
9.50 J/mol.K
Rank: 58 (Overall)
9.5
198.1
👆🏻