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Francium
Francium
☒

Berkelium
Berkelium
☒



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Francium
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Berkelium

Atomic Structure of Francium and Berkelium

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

 
87
[Rn] 7s1
Body Centered Cubic (BCC)
BCC-Crystal-Structure-.jpg#100
87
136
87
348.00 pm
260.00 pm
348.00 pm
223.00 amu
71.00 cm3/mol
41
27
8.00 (-eV)
440.00 pm
-
1.56
 
97
[Rn] 5f9 7s2
Double Hexagonal Close Packed (DHCP)
DHCP-Crystal-Structure-of-Berkelium.jpg#100
97
150
97
170.00 pm
170.00 pm
244.00 pm
247.00 amu
13.39 cm3/mol
83
51
45.50 (-eV)
341.60 pm
π/2, π/2, 2 π/3
1.57