Francium (Fr) - 87 on the Periodic Table | Periodic Table

Standard IUPAC: Francium • Symbol: Fr • Atomic Mass: 223 u

Quick Factsheet: Francium (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, Francium is classified in period 7 and group Main.

1. Periodic Table Position of Francium (87 on the Periodic Table)

Element Francium 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, Francium is located in period 7 and group Main.

2. Electron Configuration & Oxidation States (Francium Charges & Configuration)

Full Electron Configuration: [Rn] 7s1

Common Oxidation States (Charges): 1c

3. Physical Properties & Atomic Mass (Francium Atomic Mass)

Element Francium 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 Francium (FAQ)

What is the chemical symbol and atomic number of Francium?

The chemical symbol of Francium is Fr and its atomic number is 87.

What is the atomic mass and electron configuration of Francium?

Francium has a standard atomic mass of 223 u and ground-state electron configuration of [Rn] 7s1.

What periodic table group and period does Francium belong to?

Francium is located in period 7 and group Main on the periodic table of elements.

← Previous Element: Rn (Z=86) Next Element: Ra (Z=88) →