66 Dy

Lanthanide

Dysprosium

Used in EV motors.

See it in the interactive periodic table

Properties of Dysprosium

Atomic number (Z)
66
Symbol
Dy
Atomic mass
162.5 g/mol
Category
Lanthanide
Group
3
Period
6
Electron configuration
[Xe] 4f¹⁰ 6s²
Electronegativity (Pauling)
1.22
Atomic radius
228 pm
First ionization energy
573 kJ/mol
Melting point
1680 K (1406.8 °C)
Boiling point
2840 K (2566.8 °C)
Density
8.55 g/cm³
Phase at 25 °C
Solid
Discovered
Discovered in 1886

Frequently asked questions

What is Dysprosium?

Dysprosium (Dy) is a lanthanide, element number 66 on the periodic table. Used in EV motors.

What is the atomic number and atomic mass of Dysprosium?

Dysprosium has atomic number 66 and an atomic mass of about 162.5 g/mol.

What is the electron configuration of Dysprosium?

The electron configuration of Dysprosium is [Xe] 4f¹⁰ 6s².

Where is Dysprosium on the periodic table?

Dysprosium sits in group 3, period 6, and is classified as a lanthanide.

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