protoactinium English

Meaning protoactinium meaning

What does protoactinium mean?

protoactinium

— noun (= protactinium) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Synonyms protoactinium synonyms

What other words have the same or similar meaning as protoactinium?

protoactinium English » English

protactinium

atomic number 91

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