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Calcium
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Calcium
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Einsteinium
Atomic Structure of Calcium and Einsteinium
Calcium
Einsteinium
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Atomic
Atomic Number
20
99
3
117
👆🏻
Electron Configuration
[Ar] 4s
2
[Rn] 5f
11
7s
2
Crystal Structure
Face Centered Cubic (FCC)
Face Centered Cubic (FCC)
Crystal Lattice
Atom
Number of Protons
20
99
3
117
👆🏻
Number of Neutrons
20
153
4
285
👆🏻
Number of Electrons
20
99
3
117
👆🏻
Radius of an Atom
Atomic Radius
197.00 pm
186.00 pm
0
348
👆🏻
Covalent Radius
176.00 pm
186.00 pm
0
260
👆🏻
Van der Waals Radius
231.00 pm
0.00 pm
0
348
👆🏻
Atomic Weight
40.08 amu
252.00 amu
6.94
294
👆🏻
Atomic Volume
29.90 cm3/mol
17.04 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
29.00 (-eV)
0.00 (-eV)
0
392.42
👆🏻
Lattice Constant
558.84 pm
582.00 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
-
Lattice C/A Ratio
1.55
1.29
0.423
1.9
👆🏻
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