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Atomic Structure of Lithium and Beryllium

Lithium
Beryllium
Atomic Structure of Beryllium and Lithium


Atomic
Atomic Number
3  
99+
4  
99+
Electron Configuration
[He] 2s1  
[He] 2s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Beryllium.jpg#100  
Atom
  
  
Number of Protons
3  
99+
4  
99+
Number of Neutrons
4  
99+
5  
99+
Number of Electrons
3  
99+
4  
99+
Radius of an Atom
  
  
Atomic Radius
152.00 pm  
33
112.00 pm  
99+
Covalent Radius
128.00 pm  
99+
96.00 pm  
99+
Van der Waals Radius
182.00 pm  
99+
153.00 pm  
99+
Atomic Weight
6.94 amu  
99+
9.01 amu  
99+
Atomic Volume
13.10 cm3/mol  
99+
5.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
No Previous Element  
Lithium
  
Next Element
Beryllium
  
Sodium
  
Valence Electron Potential
19.00 (-eV)  
99+
82.00 (-eV)  
15
Lattice Constant
351.00 pm  
99+
228.58 pm  
99+
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, π/2  
Lattice C/A Ratio
1.62  
16
1.57  
99+
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