66
Dy
162.5
Dysprosium (Dy)
Element 66 · Period 6 · Lanthanide series
lanthanide
solid at room temp
f-block
About Dysprosium
High magnetic susceptibility. Used in neodymium magnets for electric vehicles.
Physical Properties
Atomic Mass
162.5 u
State at 25°C
Solid
Melting Point
1407 °C
Boiling Point
2567 °C
Density
8.54 g/cm³
Magnetism
Paramagnetic
Atomic Properties
Electron Configuration
[Xe] 4f¹⁰ 6s²
Electron Shells
2, 8, 18, 28, 8, 2
Electronegativity
1.22
Atomic Radius
228 pm
Ionization Energy
573 kJ/mol
Oxidation States
+3
Discovery & History
Discovered By
Lecoq de Boisbaudran
Discovery Year
1886
Named By
Lecoq de Boisbaudran
Name origin: Greek: dysprositos (hard to get)
Frequently Asked Questions
- Is Dysprosium a metal, nonmetal, or metalloid?
- Dysprosium is classified as a lanthanide.
- What state is Dysprosium in at room temperature?
- Dysprosium is a solid at standard room temperature (25°C).
- What is the atomic mass of Dysprosium?
- Dysprosium has an atomic mass of 162.5 atomic mass units (u).
- Who discovered Dysprosium?
- Dysprosium was discovered by Lecoq de Boisbaudran in 1886.
- Where is Dysprosium on the periodic table?
- Dysprosium is element number 66, located in period 6, part of the lanthanide series shown below the main table.