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Radium
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Atomic Structure of Radium and Lithium
Radium
Lithium
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Summary
Periodic Table
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Atomic
Atomic Number
88
3
3
117
👆🏻
Electron Configuration
[Rn] 7s
2
[He] 2s
1
Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
Crystal Lattice
Atom
Number of Protons
88
3
3
117
👆🏻
Number of Neutrons
138
4
4
285
👆🏻
Number of Electrons
88
3
3
117
👆🏻
Radius of an Atom
Atomic Radius
215.00 pm
152.00 pm
0
348
👆🏻
Covalent Radius
221.00 pm
128.00 pm
0
260
👆🏻
Van der Waals Radius
283.00 pm
182.00 pm
0
348
👆🏻
Atomic Weight
226.00 amu
6.94 amu
6.94
294
👆🏻
Atomic Volume
45.20 cm3/mol
13.10 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
20.10 (-eV)
19.00 (-eV)
0
392.42
👆🏻
Lattice Constant
514.80 pm
351.00 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
1.57
1.62
0.423
1.9
👆🏻
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