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Atomic Structure of Mendelevium and Beryllium


Atomic Structure of Beryllium and Mendelevium


Atomic Properties

Atomic Number
101   
17
4   
99+

Electron Configuration
[Rn] 5f13 7s2   
[He] 2s2   

Crystal Structure
Not Known   
Hexagonal Close Packed (HCP)   

Crystal Lattice
Unknown-Crystal-Structure-of-Mendelevium.jpg#100   
HCP-Crystal-Structure-of-Beryllium.jpg#100   

Atom
  
  

Number of Protons
101   
17
4   
99+

Number of Neutrons
157   
7
5   
99+

Number of Electrons
101   
17
4   
99+

Radius of an Atom
  
  

Atomic Radius
Not Available   
112.00 pm   
99+

Covalent Radius
Not Available   
96.00 pm   
99+

Van der Waals Radius
246.00 pm   
8
153.00 pm   
99+

Atomic Weight
258.00 amu   
14
9.01 amu   
99+

Atomic Volume
Not Available   
5.00 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Fermium
  
Lithium
  

Next Element
Nobelium
  
Sodium
  

Valence Electron Potential
Not Available   
82.00 (-eV)   
15

Lattice Constant
Not Available   
228.58 pm   
99+

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
1.57   
18

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