Nota: A tradução desta entrada está atualmente em revisão de qualidade, portanto parte do conteúdo é exibida temporariamente apenas em inglês.
Este verbete ainda não foi traduzido para o seu idioma, portanto o original é exibido abaixo.
polonium
This term refers specifically to a chemical element characterized by extreme instability and high toxicity. It carries a heavy connotation of danger and clandestine activity, often appearing in contexts related to nuclear physics, radiochemistry, or high-profile espionage cases involving targeted poisonings.
As a chemical element, it is treated as a mass noun. It does not have a plural form in standard scientific usage; instead, quantities are specified using units of measurement or partitive phrases such as a sample of polonium or an amount of polonium.
Meanings
Examples
Polonium is a highly radioactive element discovered by Marie Curie.
Polonium is a highly radioactive element discovered by Marie Curie.
The scientist explained that polonium emits intense alpha particles.
I wonder if polonium is actually used in industrial static eliminators.
The detective suspected that the victim had been poisoned with polonium.
Polonium 210 has a very short half life compared to other isotopes.
Handling polonium requires extreme caution due to its high toxicity.
Wait, did you say the sample contained traces of polonium?
The periodic table lists polonium as element number 84.