Compare Element Properties

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Property	Tc Technetium	? N/A
Atomic number	43	N/A
Symbol	Tc	N/A
Name	Technetium	N/A
Category	transition-metal	N/A
Standard Atomic Weight	98 u	N/A
Period	5	N/A
Group	7	N/A
Block	s	N/A
Phase at STP	solid	N/A
Electron configuration	[Kr]5s24d5	N/A
Oxidation states	[-3, -1, 1, 2, 3, 4, 5, 6, 7]	N/A
Electronegativity (Pauling)	1.9	N/A
Electron affinity	0.55 eV	N/A
Density	1.100000e+4 kg/m³	N/A
Melting point	2156.85 °C	N/A
Boiling point	4264.85 °C	N/A
Discovery year	1937	N/A