Element 39

Yttrium (Y)

39

Y

yttrium

Metal · d block · group 3, period 5

Electron configuration: $[\mathrm{Kr}]\,5s^{2}\,4d^{1}$
Unpaired electrons: 1 (paramagnetic)
Molar mass: 88.906 g/mol
Electronegativity: 1.22
Atomic radius: 180 pm
First ionization energy: 600 kJ/mol
Next ionization energies: 1,180, 1,980
Electron affinity: 30 kJ/mol released

Practice

Practice yttrium

No course questions are about yttrium specifically, but these lessons cover what you need.

Where it comes up in the course