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Atomic Structure of Molybdenum and Erbium

Molybdenum
Erbium
Atomic Structure of Erbium and Molybdenum


Atomic Properties
Atomic Number
42   
99+
68   
99+
Electron Configuration
[Kr] 4d5 5s1   
[Xe] 4f12 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Erbium.jpg#100   
Atom
  
  
Number of Protons
42   
99+
68   
99+
Number of Neutrons
54   
99+
99   
33
Number of Electrons
42   
99+
68   
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
176.00 pm   
18
Covalent Radius
154.00 pm   
32
189.00 pm   
19
Van der Waals Radius
200.00 pm   
28
Not Available   
Atomic Weight
95.95 amu   
99+
167.26 amu   
99+
Atomic Volume
9.40 cm3/mol   
99+
18.40 cm3/mol   
25
Adjacent Atomic Numbers
  
  
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Niobium
  
Holmium
  
Next Element
Technetium
  
Thulium
  
Valence Electron Potential
88.60 (-eV)   
13
49.00 (-eV)   
29
Lattice Constant
314.70 pm   
99+
355.88 pm   
39
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.57   
17
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