Symbol
Po
Atomic Number
84
Atomic Mass
209
Protons
84
Neutrons
125
Electrons
84
Type
Post-Transition Metal
Isotopes
Polonium-210
Discovery Year
1940
Discovered By
Marie Curie, Pierre Curie, and others
Group
16
Period
6
Boiling Point
962°C
Melting Point
254°C
Electron Configuration
[Xe] 6s² 4f¹⁴ 5d¹⁰ 6p⁴
Density (g/cm³)
9.2
Crystal Structure
Cubic
Magnetism
Diamagnetic
Abundance in Earth's Crust
Trace
Phase at Room Temperature
Solid