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Мейтнерий

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Мейтнерий

Atomic number       109
Atomic mass       266
Density, kg / m? < span class = "Apple-tab-span" style = "white-space: pre;">           -  
Temperature
Melting, ° С             -
 

Meitnerium is probably a transition metal. First obtained in 1982 at the Heavy Ion Research Center, Darmstadt, Germany

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