91
Pa
Protactinium
231,04 u
Protactinium
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Periyot
7
Grup
—
Blok
f-Blok
Faz (STP)
Solid
Protactinium is a scarce, radioactive actinide. It is one of the rarest and most expensive naturally occurring elements.
Daha fazla Aktinit
Frequently Asked Questions
What is Protactinium?
Protactinium (Pa) is a chemical element with atomic number 91. It is a solid at standard temperature and pressure, classified as a aktinit.
What are the key properties of Protactinium?
Protactinium has an atomic mass of 231.04 u.
What is the electron configuration of Protactinium?
The electron configuration of Protactinium is [Rn] 5f2 6d1 7s2. It is in the f-block of the periodic table.
What is the electronegativity of Protactinium?
Protactinium has an electronegativity of 1.5 on the Pauling scale.