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How many protons are in the isotope 231/91Pa
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How many protons are in the isotope 231/91Pa

User Neri
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There are truly 91 protons in 231/91Pa.
Here is extra information about this but different.
There are 140 neutrons in 231/91Pa
There are 91 electrons in 231/91Pa
And the melting point is 1600.0° C.
Hope this helps!
User Dmitry Dubovitsky
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