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Potassium
Potassium

Erbium
Erbium



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Erbium

Atomic Structure of Potassium and Erbium

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1 Atomic
1.1 Atomic Number
1968
Atomic Structure of Lithium
3 117
1.2 Electron Configuration
[Ar] 4s1
[Xe] 4f12 6s2
1.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
1.3.1 Crystal Lattice
1.4 Atom
1.4.1 Number of Protons
1968
Atomic Structure of Lithium
3 117
1.4.2 Number of Neutrons
2099
Atomic Structure of Lithium
4 184
1.4.3 Number of Electrons
1968
Atomic Structure of Lithium
3 117
1.5 Radius of an Atom
1.5.1 Atomic Radius
227.00 pm176.00 pm
Atomic Structure of Beryllium
112 265
1.5.2 Covalent Radius
203.00 pm189.00 pm
Atomic Structure of Beryllium
96 260
1.5.3 Van der Waals Radius
275.00 pmNA
Atomic Structure of Zinc
139 348
1.6 Atomic Weight
39.10 amu167.26 amu
Atomic Structure of Lithium
6.94 294
1.7 Atomic Volume
45.46 cm3/mol18.40 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
10.40 (-eV)49.00 (-eV)
Atomic Structure of Francium
8 392.42
1.10 Lattice Constant
532.80 pm355.88 pm
Atomic Structure of Beryllium
228.58 891.25
1.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
1.12 Lattice C/A Ratio
NA1.57
Atomic Structure of Beryllium
1.567 1.886