The Periodic Table of Elements
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45
Rh
Rhodium
Summary
Rhodium is a chemical element with symbol Rh and atomic number 45. It is a rare, silvery-white, hard, and chemically inert transition metal. It is a member of the platinum group.
Block: d
Period: 5
Group: 9
Atomic Mass: 102.906 g/mol (amu)
Discovered By: William Hyde Wollaston
Phase: Solid
Boiling Point: 3968 K
Melting Point: 2237 K
Type: transition metal
Density: 12.41 g/cm3
Electron Configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d8
Electron Configuration (Semantic): [Kr] 4d8 5s1