Technetium was discovered by Carlo Perrier, Emilio Segre at 1937 in Italy.
Origin of name: from the Greek word "technikos" meaning "artificial".
Atomic Number: 45
Atomic Weight: 102.90550
Melting Point: 2237 K (1964°C or 3567°F)
Boiling Point: 3968 K (3695°C or 6683°F)
Density: 12.4 grams per cubic centimeter
Phase at Room Temperature: Solid
Element Classification: Metal
Period Number: 5 Group Number: 9 Group Name: none