Phosphorus was discovered by Hennig Brand at 1669 in Germany.
Origin of name: from the Greek word "phosphoros" meaning "bringer of light".
Atomic Number: 15
Atomic Weight: 30.973762
Melting Point: 317.30 K (44.15°C or 111.47°F)
Boiling Point: 553.65 K (280.5°C or 536.9°F)
Density: 1.82 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Non-metal
Period Number: 3 Group Number: 15 Group Name: Pnictogen