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Technetium

(Tc)

2818132

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Category

Transition metal

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Relative atomic mass

98

Density

11.5

Melting point (°C)

2157

Boiling point (°C)

4265

Electronegativity (Pauling)

1.9

Half-life

211,100 y

Discovery year

1937

Discovered by

Carlo Perrier Emilio Segrè

Electrons: 43

Protons: 43

Neutrons: 55

Wikipedia

Decay chain

created by @lukaswyss

Technetium (Tc) – Element 43