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Erbium
Erbium

Roentgenium
Roentgenium



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Erbium
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Roentgenium

Atomic Structure of Erbium and Roentgenium

1 Atomic
1.1 Atomic Number
68111
Atomic Structure of Lithium
3 117
1.4 Electron Configuration
[Xe] 4f12 6s2
[Rn] 5f14 6d9 7s2
1.5 Crystal Structure
Hexagonal Close Packed (HCP)
Body Centered Cubic (BCC)
1.5.1 Crystal Lattice
1.6 Atom
1.6.1 Number of Protons
68111
Atomic Structure of Lithium
3 117
1.6.3 Number of Neutrons
99161
Atomic Structure of Lithium
4 184
1.7.2 Number of Electrons
68111
Atomic Structure of Lithium
3 117
1.8 Radius of an Atom
1.8.1 Atomic Radius
176.00 pmNA
Atomic Structure of Beryllium
112 265
1.8.3 Covalent Radius
189.00 pmNA
Atomic Structure of Beryllium
96 260
1.9.1 Van der Waals Radius
NANA
Atomic Structure of Zinc
139 348
1.10 Atomic Weight
167.26 amu281.00 amu
Atomic Structure of Lithium
6.94 294
2.2 Atomic Volume
18.40 cm3/molNA
Atomic Structure of Manganese
1.39 71.07
2.3 Adjacent Atomic Numbers
2.3.1 Previous Element
2.3.2 Next Element
2.4 Valence Electron Potential
49.00 (-eV)NA
Atomic Structure of Francium
8 392.42
2.6 Lattice Constant
355.88 pmNA
Atomic Structure of Beryllium
228.58 891.25
2.7 Lattice Angles
π/2, π/2, 2 π/3
NA
2.8 Lattice C/A Ratio
1.57NA
Atomic Structure of Beryllium
1.567 1.886