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Translations for „polonium“ in the English » Arabic Dictionary (Go to Arabic » English)

polonium (Po)

polonium CHEM

يولونيوم عنصر فلزي إشعاعي رمزه (بل)

Monolingual examples (not verified by PONS Editors)

English

Polonium, radium and radon were observed before actinium, but they were not isolated until 1902. en.wikipedia.org

Polonium only occurs in trace amounts on earth, via radioactive decay of uranium and thorium. en.wikipedia.org

Radon decays to lead-210, then to bismuth-210, polonium-210 and stabilizes with lead-206. en.wikipedia.org

Rn, has a half-life of 3.8 days and decays to form helium and polonium, which ultimately decays to lead. en.wikipedia.org

Gloves made of natural rubber do not provide sufficient protection against the radiation from polonium; surgical gloves are necessary. en.wikipedia.org

Wearing chemically resistant and intact gloves is a mandatory precaution to avoid transcutaneous diffusion of polonium directly through the skin. en.wikipedia.org

By-products of the tin refining process including arsenic caused local pollution, and in the 1980s an additional radioactive hazard due to polonium was discovered. en.wikipedia.org

Depending on the author, one or more from selenium, polonium or astatine are sometimes added to the list. en.wikipedia.org

Except for polonium, the chalcogens are all fairly similar to each other chemically. en.wikipedia.org

While it took three years for them to isolate radium, they were never able to isolate polonium. en.wikipedia.org

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