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Radium
Summary
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Atomic
Atomic Number
88 30
Electron Configuration
[Rn] 7s
2
Crystal Structure
Body Centered Cubic (BCC)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
88 30
Number of Neutrons
138 17
Number of Electrons
88 30
Radius of an Atom
Atomic Radius
215.00 pm 6
Covalent Radius
221.00 pm 3
Van der Waals Radius
283.00 pm 5
Atomic Weight
226.00 amu 26
Atomic Volume
45.20 cm3/mol 5
Adjacent Atomic Numbers
Previous Element
47
Next Element
53
Valence Electron Potential
20.10 (-eV) 62
Lattice Constant
514.80 pm 15
Lattice Angles
π/2, π/2, π/2
Lattice C/A Ratio
1.57 41
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