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Promethium
Promethium

Lanthanum
Lanthanum



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Promethium
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Lanthanum

Atomic Structure of Promethium and Lanthanum

Atomic

Atomic Number

Electron Configuration

Crystal Structure

Crystal Lattice

Number of Protons

Number of Neutrons

Number of Electrons

Atomic Radius

Covalent Radius

Van der Waals Radius

Atomic Weight

Atomic Volume

Previous Element

Next Element

Valence Electron Potential

Lattice Constant

Lattice Angles

Lattice C/A Ratio

 
61
[Xe] 4f5 6s2
Double Hexagonal Close Packed (DHCP)
DHCP-Crystal-Structure-of-Promethium.jpg#100
61
84
61
183.00 pm
199.00 pm
236.00 pm
145.00 amu
22.39 cm3/mol
13
50
44.10 (-eV)
-
-
1.63
 
57
[Xe] 5d2 6s2
Double Hexagonal Close Packed (DHCP)
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
57
82
57
187.00 pm
207.00 pm
240.00 pm
138.91 amu
20.73 cm3/mol
28
49
40.71 (-eV)
377.20 pm
π/2, π/2, 2 π/3
1.62