Dysprosium (Dy) — Lanthanide. Atomic number 66.
Bright silvery metal
- Atomic number: 66
- Symbol: Dy
- Atomic mass: 162.50 u
- Category: Lanthanide
- State: Solid
- Melting point: 1411.85 °C / 1685 K
- Boiling point: 2566.85 °C / 2840 K
- Density: 8.55 g/cm³ (20°C)
- Electron configuration: [Xe] 4f10 6s2
- Oxidation states: +3
- Electronegativity: 1.22
- Discovered by: Paul-Émile Lecoq de Boisbaudran (1886)
Common uses: High-strength magnets, Nuclear reactor control rods, Lasers
Biological role: No known biological role.
Frequently Asked Questions about Dysprosium
What is the atomic number of dysprosium?
Dysprosium has an atomic number of 66, meaning each atom contains 66 protons in its nucleus.
What is the atomic mass of dysprosium?
The standard atomic weight of dysprosium is 162.50 u (unified atomic mass units).
What category does dysprosium belong to?
Dysprosium is classified as a lanthanide.
What is the state of dysprosium at room temperature?
Dysprosium is a solid at 20 °C (68 °F).
What is the melting point of dysprosium?
The melting point of dysprosium is 1411.85 °C / 1685 K.
What is the boiling point of dysprosium?
The boiling point of dysprosium is 2566.85 °C / 2840 K.
What is the density of dysprosium?
The density of dysprosium is 8.55 g/cm³ (20°C).
What is the electronegativity of dysprosium?
Dysprosium has a Pauling electronegativity of 1.22.
What is the electron configuration of dysprosium?
The electron configuration of dysprosium is [Xe] 4f10 6s2.
What are the common oxidation states of dysprosium?
Dysprosium commonly exhibits the following oxidation states: +3.
When was dysprosium discovered?
Dysprosium was discovered in 1886 by Paul-Émile Lecoq de Boisbaudran.
Is dysprosium radioactive?
Dysprosium is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of dysprosium?
No known biological role.
What are the common uses of dysprosium?
Dysprosium is used for: High-strength magnets; Nuclear reactor control rods; Lasers.
