Yb
Ytterbium · element 70
Lanthanide · Solid at room temperature
Ytterbium is a chemical element with symbol Yb and atomic number 70. It is the fourteenth and penultimate element in the lanthanide series, which is the basis of the relative stability of its +2 oxidation state. However, like the other lanthanides, its most common oxidation state is +3, seen in its oxide, halides and other compounds.
Key facts
Atomic mass
173.0451 u
how heavy one atom is
Phase (room temp.)
Solid
Density
6.9 g/cm³
how tightly packed it is
Melting point
1097 K (824 °C)
when solid turns to liquid
Boiling point
1469 K (1196 °C)
when liquid turns to gas
Period
6
its row in the periodic table
Group
3
its column in the periodic table
Block
F-block
the neighbourhood it lives in
Electronegativity
1.1
how strongly it pulls electrons
Electron configuration
[Xe] 4f14 6s2
where its electrons live
Shells
2 · 8 · 18 · 32 · 8 · 2
electrons in each layer, inside to out
Discovered by
Jean Charles Galissard de Marignac
who found it
Source: Wikipedia