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Nd

Neodymium

Atomic number: 60Mass: 144.242 uCategory: Lanthanide

About Neodymium

Neodymium is a bright silvery metallic element. Neodymium magnets (NdFeB) are the strongest type of permanent magnets made. They are found in hard disk drives, electric motors, and MRI machines.

Properties

Period
6
Group
N/A
Block
F
Category
Lanthanide
Electronegativity
1.14 (Pauling)
Ionization Energy
533.1 kJ/mol
Melting Point
1297 K (1024°C)
Boiling Point
3347 K (3074°C)
Density
7.01 g/cm³
Oxidation States
+3

Electron Configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f⁴ 5s² 5p⁶ 6s²
[Xe] 4f⁴ 6s²
Shell 1:2e⁻
Shell 2:8e⁻
Shell 3:18e⁻
Shell 4:22e⁻
Shell 5:8e⁻
Shell 6:2e⁻

Real-World Uses

Strongest permanent magnets
Electric car motors
Wind turbines
Loudspeakers
Lasers

Fun Fact

Neodymium magnets are so strong that a fridge-sized block would be impossible to separate by hand — they can crush fingers if they snap together!