60 Nd 144.242

Neodymium

lanthanide

Properties

Atomic number
60
Atomic mass
144.242 u
Category
lanthanide
Group
f-block
Period
6
Block
f-block
State (room temp)
Solid
Outer-shell electrons
2
Electronegativity
1.14 (Pauling)
Density
7.01 g/cm³
Melting point
1023.85 °C
Boiling point
3073.85 °C

Electron configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f⁴

Noble-gas shorthand: [Xe] 4f⁴ 6s²

Electrons per shell: 2, 8, 18, 22, 8, 2, which is 2 in the outermost shell.

Related: electron configuration, the Bohr model, valence electrons.

Nd
Bohr model; outer-shell electrons in blue

About Neodymium

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.

Neodymium: frequently asked questions

What is Neodymium?
Neodymium (Nd) is the chemical element with atomic number 60. It is a metal: specifically a lanthanide.
What is the atomic number of Neodymium?
Neodymium's atomic number is 60, which means every Neodymium atom has 60 protons in its nucleus.
What is the electron configuration of Neodymium?
The electron configuration of Neodymium is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f4 (noble-gas shorthand: [Xe] 4f4 6s2). Its electrons are arranged in shells of 2, 8, 18, 22, 8, 2, with 2 in the outermost shell.
Is Neodymium a metal or a nonmetal?
Neodymium is a metal: specifically a lanthanide.
What group and period is Neodymium in?
Neodymium sits in the f-block (the lanthanide row) of period 6 on the periodic table.
Is Neodymium a solid, liquid, or gas?
At room temperature, Neodymium is a solid.

Position in the periodic table

Open the interactive periodic table →

Data compiled from Wikipedia, PubChem, and IUPAC. Source.