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Atomic Structure of Tungsten and Americium


Atomic Structure of Americium and Tungsten


Atomic Properties

Atomic Number
74   
99+
95   
23

Electron Configuration
[Xe] 4f14 5d4 6s2   
[Rn] 5f7 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
DHCP-Crystal-Structure-of-Americium.jpg#100   

Atom
  
  

Number of Protons
74   
99+
95   
23

Number of Neutrons
110   
27
148   
12

Number of Electrons
74   
99+
95   
23

Radius of an Atom
  
  

Atomic Radius
139.00 pm   
39
173.00 pm   
21

Covalent Radius
162.00 pm   
29
180.00 pm   
21

Van der Waals Radius
200.00 pm   
28
244.00 pm   
10

Atomic Weight
183.84 amu   
37
243.00 amu   
20

Atomic Volume
9.53 cm3/mol   
99+
17.86 cm3/mol   
29

Adjacent Atomic Numbers
  
  

Previous Element
Tantalum
  
Plutonium
  

Next Element
Rhenium
  
Curium
  

Valence Electron Potential
140.00 (-eV)   
5
44.00 (-eV)   
40

Lattice Constant
316.52 pm   
99+
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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