Protactinium

Name:
Protactinium  [̩prəʊtæk'tɪniəm]
Formula:
Pa
Molar Mass:
231.0359

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Elem.
Total
Name
Atomic Mass
(g/mol)
Percentage
Mass
Pa
1
Protactinmium
231.03588
100%
231.04
→ Pa
Total: 231.0359 (g/mol)


Protactinium element has 91 protons, 140 neutrons and 91 electrons. Protactinium is a silvery gray metal at room temperature. The melting point of Protactinium metal is 1568 ̊C. It's radioactive. Protactinium cations include Pa+5, Pa+4, Pa+3 and Pa+2.

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