91 Pa Protactinium 231,04 u

Protactinium

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Período

Grupo

—

Bloco

f-bloco

Fase (STP)

Solid

Protactinium is a scarce, radioactive actinide. It is one of the rarest and most expensive naturally occurring elements.

Propriedades físicas

Massa atômica 231.04 u

Fase em STP Solid

Propriedades eletrônicas

Eletronegatividade 1.5

Configuração eletrônica

Configuração [Rn] 5f² 6d¹ 7s²

Electron Shell Configuration

Position in Periodic Table

Bloco e período

Bloco

s p d f

Período

1 2 3 4 5 6 7

Tabela Periódica

Lantanídeos Actinídeos

Mais Actinídeo

89 Ac Actinium 90 Th Thorium 92 U Uranium 93 Np Neptunium 94 Pu Plutonium 95 Am Americium 96 Cm Curium 97 Bk Berkelium 98 Cf Californium 99 Es Einsteinium

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 actinídeo.

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.