Polonium
Polonium | |
|
Atomic Number: 84 Atomic Weight: 209 Melting Point: 527 K (254°C or 489°F) Boiling Point: 1235 K (962°C or 1764°F) Density: 9.32 grams per cubic centimeter Phase at Room Temperature: Solid Element Classification: Metal Period Number: 6 Group Number: 16 Group Name: Chalcogen |