×
Beryllium
☒
Fermium
☒
Top
ADD
⊕
Compare
Compare Metals
Transition Metals
Actinide Series
Lanthanide Series
Post Transition Metals
Alkaline Earth Metals
Alkali Metals
⌕
▼
X
Beryllium
X
Fermium
Atomic Structure of Beryllium and Fermium
Beryllium
Fermium
Add ⊕
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
All
Atomic
Atomic Number
4
100
3
117
👆🏻
Electron Configuration
[He] 2s
2
[Rn] 5f
12
7s
2
Crystal Structure
Hexagonal Close Packed (HCP)
Not Known
Crystal Lattice
Atom
Number of Protons
4
100
3
117
👆🏻
Number of Neutrons
5
157
4
285
👆🏻
Number of Electrons
4
100
3
117
👆🏻
Radius of an Atom
Atomic Radius
112.00 pm
180.00 pm
0
348
👆🏻
Covalent Radius
96.00 pm
180.00 pm
0
260
👆🏻
Van der Waals Radius
153.00 pm
245.00 pm
0
348
👆🏻
Atomic Weight
9.01 amu
257.00 amu
6.94
294
👆🏻
Atomic Volume
5.00 cm3/mol
18.00 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
82.00 (-eV)
0.00 (-eV)
0
392.42
👆🏻
Lattice Constant
228.58 pm
350.00 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
-
Lattice C/A Ratio
1.57
1.63
0.423
1.9
👆🏻
Compare Alkali Metals
» More
Beryllium vs Rubidium
Beryllium vs Francium
Beryllium vs Platinum
» More Compare Alkali Metals
Alkali Metals
» More
Radium
Barium
Strontium
Cesium
Rubidium
Francium
» More Alkali Metals
Alkali Metals
» More
Platinum
Periodic ...
|
Facts
|
Uses
|
Physical
Lithium
Periodic ...
|
Facts
|
Uses
|
Physical
Lead
Periodic ...
|
Facts
|
Uses
|
Physical
Compare Alkali Metals
» More
Fermium vs Barium
Periodic ...
|
Facts
|
Uses
|
Physical
Fermium vs Strontium
Periodic ...
|
Facts
|
Uses
|
Physical
Fermium vs Cesium
Periodic ...
|
Facts
|
Uses
|
Physical