Element 45

Rhodium (Rh)

45

Rh

rhodium

Metal · d block · group 9, period 5

Electron configuration: $[\mathrm{Kr}]\,5s^{1}\,4d^{8}$
Unpaired electrons: 3 (paramagnetic)
Molar mass: 102.91 g/mol
Electronegativity: 2.28
Atomic radius: 134 pm
First ionization energy: 720 kJ/mol
Next ionization energies: 1,744, 2,997
Electron affinity: 110 kJ/mol released

Practice

Practice rhodium

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

Where it comes up in the course