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Thorium
Thorium

Americium
Americium



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Thorium
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Americium

Atomic Structure of Thorium and Americium

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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

 
90
[Rn] 6d2 7s2
Face Centered Cubic (FCC)
FCC-Crystal-Structure-of-Thorium.jpg#100
90
142
90
179.80 pm
206.00 pm
237.00 pm
232.04 amu
19.90 cm3/mol
53
85
59.30 (-eV)
508.42 pm
π/2, π/2, π/2
1.10
 
95
[Rn] 5f7 7s2
Double Hexagonal Close Packed (DHCP)
DHCP-Crystal-Structure-of-Americium.jpg#100
95
148
95
173.00 pm
180.00 pm
244.00 pm
243.00 amu
17.86 cm3/mol
26
83
44.00 (-eV)
346.81 pm
π/2, π/2, 2 π/3
1.58