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Beryllium
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Molybdenum
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Beryllium
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Molybdenum
Atomic Structure of Beryllium and Molybdenum
Beryllium
Molybdenum
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Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
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Atomic
Atomic Number
4
42
3
117
👆🏻
Electron Configuration
[He] 2s
2
[Kr] 4d
5
5s
1
Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
Crystal Lattice
Atom
Number of Protons
4
42
3
117
👆🏻
Number of Neutrons
5
54
4
285
👆🏻
Number of Electrons
4
42
3
117
👆🏻
Radius of an Atom
Atomic Radius
112.00 pm
139.00 pm
0
348
👆🏻
Covalent Radius
96.00 pm
154.00 pm
0
260
👆🏻
Van der Waals Radius
153.00 pm
200.00 pm
0
348
👆🏻
Atomic Weight
9.01 amu
95.95 amu
6.94
294
👆🏻
Atomic Volume
5.00 cm3/mol
9.40 cm3/mol
1.39
71.07
👆🏻
Adjacent Atomic Numbers
Previous Element
Next Element
Valence Electron Potential
82.00 (-eV)
88.60 (-eV)
0
392.42
👆🏻
Lattice Constant
228.58 pm
314.70 pm
0
891.25
👆🏻
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
1.57
1.03
0.423
1.9
👆🏻
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