Polonium tarimas:

/pə'louniəm/

Polonium audio:

Žodžio paaiškinimas anglų kalba:

• noun: A naturally radioactive metallic element, occurring in minute quantities as a product of radium disintegration and produced by bombarding bismuth or lead with neutrons. It has 27 isotopes ranging in mass number from 192 to 218, of which Po 210, with a half-life of 138.39 days, is the most readily available. Atomic number 84; melting point 254°C; boiling point 962°C; specific gravity 9.32; valence 2, 4. See Table at element.

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Lietuviškos reikšmės:

polonis