Nd
Neodymium · element 60
Lanthanide · Solid at room temperature
Neodymium is a chemical element with symbol Nd and atomic number 60. It is a soft silvery metal that tarnishes in air. Neodymium was discovered in 1885 by the Austrian chemist Carl Auer von Welsbach.
Key facts
Atomic mass
144.2423 u
how heavy one atom is
Phase (room temp.)
Solid
Density
7.01 g/cm³
how tightly packed it is
Melting point
1297 K (1024 °C)
when solid turns to liquid
Boiling point
3347 K (3074 °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
1.14
how strongly it pulls electrons
Electron configuration
[Xe] 4f4 6s2
where its electrons live
Shells
2 · 8 · 18 · 22 · 8 · 2
electrons in each layer, inside to out
Discovered by
Carl Auer von Welsbach
who found it
Appearance
silvery white
what it looks like
Source: Wikipedia