Tc	Z =  43	◊ ◊ ◊ ◊ ◊	Technetium
			From the Greek "technetos", meaning "artificial"
(AM) Atomic Mass	98  amu	♦	Oxidation States	+4, +6, +7
(BP) Boiling Point	4877  °C	♦	(MP) Melting Point	2172  °C
(ρ) Density	n/a	♦	Crystal Structure	Hexagonal
( χ ) Electronegativity	1.9	♦	(AR) Atomic Radius	1.56  Å
Physical State	Artificial	♦	(C) Heat Capacity	n/a
Electronic-Config	[Kr]  4d5  5s2	♦	(I1) First Ionization E	702.41  kJ/mol
(ΔHvap) Heat of Vaporization	585.2  kJ/mol	♦	(ΔHfus) Heat of Fusion	33.29  kJ/mol
Year of Discovery	1937	♦	Location of Discovery	Italy
(E°) Standard Potential	None
Stable isotopes	None. All natural isotopes are radioactive
Discovered/Synthesized by	Carlo Perrier, Emilio Segrč
Natural Source	Not found in nature, man-made, synthetic
Common Uses	Medical diagnostic tracer
Other Info	None of its isotopes are stable Lowest element with no stable isotopes
Previous Element				Next Element
Back to Table				Common Properties
Home Page				Definitions