Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Atomic Structure of Erbium and Lanthanum


Atomic Structure of Lanthanum and Erbium


Atomic Properties

Atomic Number
68   
99+
57   
99+

Electron Configuration
[Xe] 4f12 6s2   
[Xe] 5d2 6s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100   
DHCP-Crystal-Structure-of-Lanthanum.jpg#100   

Atom
  
  

Number of Protons
68   
99+
57   
99+

Number of Neutrons
99   
33
82   
99+

Number of Electrons
68   
99+
57   
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm   
18
187.00 pm   
8

Covalent Radius
189.00 pm   
19
207.00 pm   
6

Van der Waals Radius
Not Available   
240.00 pm   
13

Atomic Weight
167.26 amu   
99+
138.91 amu   
99+

Atomic Volume
18.40 cm3/mol   
25
20.73 cm3/mol   
16

Adjacent Atomic Numbers
  
  

Previous Element
Holmium
  
Barium
  

Next Element
Thulium
  
Cerium
  

Valence Electron Potential
49.00 (-eV)   
29
40.71 (-eV)   
99+

Lattice Constant
355.88 pm   
39
377.20 pm   
28

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

Lattice C/A Ratio
1.57   
17
1.62   
2

Mechanical >>
<< Chemical

Compare Lanthanide Series

Lanthanide Metals

Lanthanide Metals

» More Lanthanide Metals

Compare Lanthanide Series

» More Compare Lanthanide Series