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Atomic Structure of Americium and Ytterbium


Atomic Structure of Ytterbium and Americium


Atomic Properties

Atomic Number
95   
23
70   
99+

Electron Configuration
[Rn] 5f7 7s2   
[Xe] 4f14 6s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Face Centered Cubic (FCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Americium.jpg#100   
FCC-Crystal-Structure-of-Ytterbium.jpg#100   

Atom
  
  

Number of Protons
95   
23
70   
99+

Number of Neutrons
148   
12
103   
31

Number of Electrons
95   
23
70   
99+

Radius of an Atom
  
  

Atomic Radius
173.00 pm   
21
176.00 pm   
18

Covalent Radius
180.00 pm   
21
187.00 pm   
20

Van der Waals Radius
244.00 pm   
10
242.00 pm   
12

Atomic Weight
243.00 amu   
20
173.05 amu   
99+

Atomic Volume
17.86 cm3/mol   
29
24.79 cm3/mol   
9

Adjacent Atomic Numbers
  
  

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Thulium
  

Next Element
Curium
  
Lutetium
  

Valence Electron Potential
44.00 (-eV)   
40
50.30 (-eV)   
27

Lattice Constant
346.81 pm   
99+
548.47 pm   
11

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

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