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Meitnerium

(Mt)

28183232152

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Category

Transition metal

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Relative atomic mass

269.1087

Density

13.51

Melting point (°C)

1342

Boiling point (°C)

3100

Electronegativity (Pauling)

1.28

Half-life

4.5 s

Discovery year

1949

Discovered by

Glenn T. Seaborg

Electrons: 109

Protons: 109

Neutrons: 169

Wikipedia

Decay chain

created by @lukaswyss

Meitnerium (Mt) – Element 109