#45
Rh
Rhodium
102.9055 u

Rhodium

Transition Metal
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Properties

Symbol Rh
Atomic Number 45
Atomic Mass 102.9055
Protons 45
Neutrons 58
Electrons 45
Type Transition Metal
Isotopes Rhodium-103
Discovery Year 1803
Discovered By William Hyde Wollaston
Group 9
Period 5
Boiling Point 6636°F
Melting Point 1964°F
Electron Configuration [Kr] 5s² 4d⁷
Density (g/cm³) 12.41
Crystal Structure Face-centered cubic
Magnetism Diamagnetic
Abundance in Earth's Crust 0.0007%
Phase at Room Temperature Solid
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