Ytterbium (Yb)

Ytterbium

Ytterbium (Yb) is a lanthanide in period 6. Its relative atomic mass is 173.05 and the molar mass of the atom is 173.05 g/mol.

Position in the tableBack to the full table →
Atomic number 70
Atomic mass 173.05
Molar mass 173.05 g/mol
Category Lanthanide Solid

Properties of ytterbium

Atomic number70
SymbolYb
Latin nameYtterbium
Relative atomic mass173.05
Molar mass173.05 g/mol
Group, period, block—, 6, f
CategoryLanthanide
State at 20 °CSolid
Electron configuration[Xe] 4f¹⁴ 6s²
Atomic radius175 pm

Electron configuration of ytterbium

Yb
Bohr model (simplified)
Electrons per shell
K2L8M18N32O8P2
Full notation

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 6s²

Noble-gas notation

[Xe] 4f¹⁴ 6s²

70 protons · 70 electrons

Formula and compounds of ytterbium

Simple substanceYbytterbium

Molar mass of Yb: 173.05 g/mol

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Frequently asked questions

The relative atomic mass of ytterbium is 173.05, so the molar mass of the atom is 173.05 g/mol.

Full: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 6s². Noble-gas notation: [Xe] 4f¹⁴ 6s².