Betekenis van:
atomic number 84
atomic number 84
Zelfstandig naamwoord
- polonium
- a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
Synoniemen
Hyperoniemen
Voorbeeldzinnen
- technetium (atomic No 43), promethium (atomic No 61), polonium (atomic No 84) and all elements with an atomic number greater than 84;
- technetium (atomic No 43), promethium (atomic No 61), polonium (atomic No 84) and all elements with an atomic number greater than 84;