39 Y

Transition metal

Yttrium

Used in LEDs.

See it in the interactive periodic table

Properties of Yttrium

Atomic number (Z)
39
Symbol
Y
Atomic mass
88.906 g/mol
Category
Transition metal
Group
3
Period
5
Electron configuration
[Kr] 4d¹ 5s²
Electronegativity (Pauling)
1.22
Atomic radius
212 pm
First ionization energy
600 kJ/mol
Melting point
1799 K (1525.8 °C)
Boiling point
3609 K (3335.8 °C)
Density
4.469 g/cm³
Phase at 25 °C
Solid
Discovered
Discovered in 1794

Frequently asked questions

What is Yttrium?

Yttrium (Y) is a transition metal, element number 39 on the periodic table. Used in LEDs.

What is the atomic number and atomic mass of Yttrium?

Yttrium has atomic number 39 and an atomic mass of about 88.906 g/mol.

What is the electron configuration of Yttrium?

The electron configuration of Yttrium is [Kr] 4d¹ 5s².

Where is Yttrium on the periodic table?

Yttrium sits in group 3, period 5, and is classified as a transition metal.

← Browse all 118 elements