フランシウム (Fr) - 87 on the Periodic Table | 周期表

Standard IUPAC: フランシウム • Symbol: Fr • Atomic Mass: 223 u

クイックファクトシート: フランシウム (symbol Fr, atomic number 87) is element 87 on the periodic table of elements. It has a standard atomic weight of 223 u and an electron configuration of [Rn] 7s1. On the periodic table, フランシウム is classified in period 7 and group Main.

1. Periodic Table Position of フランシウム (87 on the Periodic Table)

Element フランシウム has atomic number Z = 87, meaning it contains 87 protons in its atomic nucleus and 87 electrons in its neutral state. On the standard periodic table of elements, フランシウム is located in period 7 and group Main.

2. Electron Configuration & Oxidation States (フランシウム Charges & Configuration)

Full Electron Configuration: [Rn] 7s1

Common Oxidation States (Charges): 1c

3. Physical Properties & Atomic Mass (フランシウム Atomic Mass)

Element フランシウム has a standard atomic weight of 223 u. Its melting point is 294. K and boiling point is 923. K. The Pauling electronegativity value is 0.7.

Comprehensive chemical properties and data for Francium (Fr, Z=87).

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

4. Related Elements in the Same Chemical Family

Li (Z=3) Na (Z=11) K (Z=19) Rb (Z=37) Cs (Z=55)

5. Frequently Asked Questions about フランシウム (FAQ)

What is the chemical symbol and atomic number of フランシウム?

The chemical symbol of フランシウム is Fr and its atomic number is 87.

What is the atomic mass and electron configuration of フランシウム?

フランシウム has a standard atomic mass of 223 u and ground-state electron configuration of [Rn] 7s1.

What periodic table group and period does フランシウム belong to?

フランシウム is located in period 7 and group Main on the periodic table of elements.

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