39
Y
88.906
Yttrium (Y)
Element 39 · Period 5 · Group 3
transition-metal
solid at room temp
d-block
About Yttrium
Used in LEDs, superconductors, and cancer treatment. Named after a Swedish village.
Physical Properties
Atomic Mass
88.906 u
State at 25°C
Solid
Melting Point
1522 °C
Boiling Point
3345 °C
Density
4.469 g/cm³
Magnetism
Paramagnetic
Atomic Properties
Electron Configuration
[Kr] 4d¹ 5s²
Electron Shells
2, 8, 18, 9, 2
Electronegativity
1.22
Atomic Radius
212 pm
Ionization Energy
600 kJ/mol
Oxidation States
+3
Discovery & History
Discovered By
Johan Gadolin
Discovery Year
1794
Named By
Johan Gadolin
Name origin: Ytterby, Sweden
Frequently Asked Questions
- Is Yttrium a metal, nonmetal, or metalloid?
- Yttrium is classified as a transition-metal.
- What state is Yttrium in at room temperature?
- Yttrium is a solid at standard room temperature (25°C).
- What is the atomic mass of Yttrium?
- Yttrium has an atomic mass of 88.906 atomic mass units (u).
- Who discovered Yttrium?
- Yttrium was discovered by Johan Gadolin in 1794.
- Where is Yttrium on the periodic table?
- Yttrium is element number 39, located in period 5 and group 3.