Atomic Structure of Berkelium and Yttrium
Atomic Properties
Atomic Number
97
21
39
99+
Electron Configuration
[Rn] 5f9 7s2
[Kr] 4d1 5s2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
Crystal Lattice
DHCP-Crystal-Structure-of-Berkelium.jpg#100
HCP-Crystal-Structure-of-Yttrium.jpg#100
Atom
Number of Protons
97
21
39
99+
Number of Neutrons
150
11
50
99+
Number of Electrons
97
21
39
99+
Radius of an Atom
Atomic Radius
170.00 pm
22
180.00 pm
14
Covalent Radius
Not Available
190.00 pm
18
Van der Waals Radius
Not Available
200.00 pm
28
Atomic Weight
247.00 amu
18
88.91 amu
99+
Atomic Volume
Not Available
19.80 cm3/mol
21
Adjacent Atomic Numbers
Valence Electron Potential
45.50 (-eV)
36
48.00 (-eV)
30
Lattice Constant
341.60 pm
99+
364.74 pm
31
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
1.57
16
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