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Atomic Structure of Ytterbium and Americium


Atomic Structure of Americium and Ytterbium


Atomic Properties

Atomic Number
70   
99+
95   
23

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

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

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

Atom
  
  

Number of Protons
70   
99+
95   
23

Number of Neutrons
103   
31
148   
12

Number of Electrons
70   
99+
95   
23

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
173.00 pm   
21

Covalent Radius
187.00 pm   
20
180.00 pm   
21

Van der Waals Radius
242.00 pm   
12
244.00 pm   
10

Atomic Weight
173.05 amu   
99+
243.00 amu   
20

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

Adjacent Atomic Numbers
  
  

Previous Element
Thulium
  
Plutonium
  

Next Element
Lutetium
  
Curium
  

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

Lattice Constant
548.47 pm   
11
346.81 pm   
99+

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

Lattice C/A Ratio
Not Available   
Not Available   

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