protactinium

(Inglese)

A chemical element (symbol Pa) with atomic number 91. A dense, silvery-gray actinide metal.

Pronunciato come (IPA)
/ˌpɹəʊ.tækˈtɪn.i.əm/
Etimologia (Inglese)

From proto- + actinium.

atomic number 91

πρωτακτίνιο

protaktyn

بروتكتنيوم

proaktyn

protactini

بروتكتينيوم

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