Understanding the meaning of atomic number 91 - BoostVocab

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atomic number 91

Synonyms of atomic number 91 Antonyms of atomic number 91 Examples of atomic number 91 Usage of atomic number 91 Parts of atomic number 91 Definition that contains atomic number 91 Words sounding like atomic number 91 Explanation of atomic number 91

noun
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
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Similar:

pa protactinium protoactinium

type of:
metal metallic element

Explanation of atomic number 91

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