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Atomic Structure of Lithium and Americium


Atomic Structure of Americium and Lithium


Atomic Properties

Atomic Number
3   
99+
95   
23

Electron Configuration
[He] 2s1   
[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
3   
99+
95   
23

Number of Neutrons
4   
99+
148   
12

Number of Electrons
3   
99+
95   
23

Radius of an Atom
  
  

Atomic Radius
152.00 pm   
31
173.00 pm   
21

Covalent Radius
128.00 pm   
99+
180.00 pm   
21

Van der Waals Radius
182.00 pm   
35
244.00 pm   
10

Atomic Weight
6.94 amu   
99+
243.00 amu   
20

Atomic Volume
13.10 cm3/mol   
39
17.86 cm3/mol   
29

Adjacent Atomic Numbers
  
  

Previous Element
No Previous Element   
Plutonium
  

Next Element
Beryllium
  
Curium
  

Valence Electron Potential
19.00 (-eV)   
99+
44.00 (-eV)   
40

Lattice Constant
351.00 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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