プロトアクチニウム (Pa) - 91 on the Periodic Table | 周期表

Standard IUPAC: プロトアクチニウム • Symbol: Pa • Atomic Mass: 231.03588 u

クイックファクトシート: プロトアクチニウム (symbol Pa, atomic number 91) is element 91 on the periodic table of elements. It has a standard atomic weight of 231.03588 u and an electron configuration of [Rn] 7s2 5f2 6d1. On the periodic table, プロトアクチニウム is classified in period 7 and group Main.

1. Periodic Table Position of プロトアクチニウム (91 on the Periodic Table)

Element プロトアクチニウム has atomic number Z = 91, meaning it contains 91 protons in its atomic nucleus and 91 electrons in its neutral state. On the standard periodic table of elements, プロトアクチニウム is located in period 7 and group Main.

2. Electron Configuration & Oxidation States (プロトアクチニウム Charges & Configuration)

Full Electron Configuration: [Rn] 7s2 5f2 6d1

Common Oxidation States (Charges): 2,3,4,5c

3. Physical Properties & Atomic Mass (プロトアクチニウム Atomic Mass)

Element プロトアクチニウム has a standard atomic weight of 231.03588 u. Its melting point is 1845. K and boiling point is 4273. K. The Pauling electronegativity value is 1.5.

Comprehensive chemical properties and data for Protactinium (Pa, Z=91).

Explore interactive 3D electron orbitals, isotopes, and properties on the periodic table: Open on Interactive Table 🚀

4. Related Elements in the Same Chemical Family

Ac (Z=89) Th (Z=90) U (Z=92) Np (Z=93) Pu (Z=94) Am (Z=95)

5. Frequently Asked Questions about プロトアクチニウム (FAQ)

What is the chemical symbol and atomic number of プロトアクチニウム?

The chemical symbol of プロトアクチニウム is Pa and its atomic number is 91.

What is the atomic mass and electron configuration of プロトアクチニウム?

プロトアクチニウム has a standard atomic mass of 231.03588 u and ground-state electron configuration of [Rn] 7s2 5f2 6d1.

What periodic table group and period does プロトアクチニウム belong to?

プロトアクチニウム is located in period 7 and group Main on the periodic table of elements.

← Previous Element: Th (Z=90) Next Element: U (Z=92) →