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Radium
Radium

Actinium
Actinium



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Actinium

Atomic Structure of Radium and Actinium

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1 Atomic
1.1 Atomic Number
8889
Atomic Structure of Lithium
3 117
1.2 Electron Configuration
[Rn] 7s2
[Rn] 6d1 7s2
1.3 Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
8889
Atomic Structure of Lithium
3 117
1.4.2 Number of Neutrons
138138
Atomic Structure of Lithium
4 184
1.4.3 Number of Electrons
8889
Atomic Structure of Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
NA195.00 pm
Atomic Structure of Beryllium
112 265
1.5.2 Covalent Radius
221.00 pmNA
Atomic Structure of Beryllium
96 260
1.5.3 Van der Waals Radius
283.00 pmNA
Atomic Structure of Zinc
139 348
1.6 Atomic Weight
226.00 amu227.00 amu
Atomic Structure of Lithium
6.94 294
1.7 Atomic Volume
45.20 cm3/mol22.54 cm3/mol
Atomic Structure of 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
20.10 (-eV)38.60 (-eV)
Atomic Structure of Francium
8 392.42
1.10 Lattice Constant
514.80 pm567.00 pm
Atomic Structure of Beryllium
228.58 891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
1.12 Lattice C/A Ratio
NANA
Atomic Structure of Beryllium
1.567 1.886