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Tantalum
Tantalum

Cerium
Cerium



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Tantalum
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Cerium

Atomic Structure of Tantalum and Cerium

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1 Atomic
1.1 Atomic Number
7358
Lithium
3 117
1.2 Electron Configuration
[Xe] 4f14 5d3 6s2
[Xe] 4f1 5d1 6s2
1.3 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
7358
Lithium
3 117
1.4.2 Number of Neutrons
10882
Lithium
4 184
1.4.3 Number of Electrons
7358
Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
146.00 pm181.80 pm
Beryllium
112 265
1.5.2 Covalent Radius
170.00 pm204.00 pm
Beryllium
96 260
1.5.3 Van der Waals Radius
200.00 pm235.00 pm
Zinc
139 348
1.6 Atomic Weight
180.95 amu140.12 amu
Lithium
6.94 294
1.7 Atomic Volume
10.90 cm3/mol20.67 cm3/mol
Manganese
1.39 71.07
1.8 Adjacent Atomic Numbers
1.8.1 Previous Element
1.8.2 Next Element
1.9 Valence Electron Potential
110.00 (-eV)41.78 (-eV)
Francium
8 392.42
1.10 Lattice Constant
330.13 pm362.00 pm
Beryllium
228.58 891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio
NANA
Beryllium
1.567 1.886