English
Detailed Synonyms for atomic number 87 in English
atomic number 87:
atomic number 87 [the ~] nom
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the atomic number 87
– a radioactive element of the alkali-metal group discovered as a disintegration product of actinium 1the Fr; the atomic number 87; the francium– a radioactive element of the alkali-metal group discovered as a disintegration product of actinium 1