45
102.91 u
Rh
Rhodium
Transition Metal
Atomic Structure
Physical State
Group
9
Period
5
Block
d
Electron Configuration
[Kr] 4d⁸ 5s¹
Physical Properties
Atomic Mass:
102.91 u
Electronegativity:
2.28
Atomic Radius:
195 pm
Ionization Energy:
7.46 eV
Density:
12.41 g/cm³
Melting Point:
2237 K
Boiling Point:
3968 K
Historical Information
Discovered By:
William Hyde Wollaston
Year Discovered:
1803