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14651708-n protactinium, protoactinium, Pa, atomic number 91
SensesEng
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead /
Wordnet ChineseGb
+
Wordnet GermanGer
Protactinium +
Wordnet EnglishEng
103 protactinium +
103 protoactinium +
103 Pa +
103 atomic number 91 +
Wordnet FrenchFra
pa +
protactinium +
Pa +
Wordnet SpanishSpa
protactinio +
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