What is the atomic number of Francium?

The atomic number of Francium (Fr) is 87.

What is the atomic mass of Francium?

The atomic mass of Francium is 223.0 atomic mass units (u).

What group and period is Francium in?

Francium is in period 7, group 1 of the periodic table. It is a alkali-metal element in the s-block.

How many valence electrons does Francium have?

Francium has 1 valence electron(s).

Francium (Fr) — Atomic Number 87 | Soren Periodic Table

Q: What is the electron configuration of Francium?

The electron configuration of Francium is [Rn] 7s1.

Francium (Fr) — Atomic Number 87Second rarest natural element, highly unstable.Francium Properties

Atomic Number: 87

Symbol: Fr

Atomic Mass: 223.0 u

Category: alkali-metal

Group: 1

Period: 7

Block: s-block

Electron Configuration: [Rn] 7s1

Valence Electrons: 1

Electronegativity: 0.7

Ionization Energy: 380.0 kJ/mol

Electron Affinity: 47.0 kJ/mol

Atomic Radius: 348.0 pm

Melting Point: 300.0 K

Boiling Point: 950.0 K

Francium in the Periodic TableFrancium is a alkali-metal element located in period 7, group 1 of the periodic table. It has the chemical symbol Fr and atomic number 87. The electron configuration of Francium is [Rn] 7s1, giving it 1 valence electron(s).Interactive Francium LearningExplore Francium in interactive 3D with the Soren Periodic Table. View Bohr model, quantum orbital model, nucleus inspector, and phase lab with temperature and pressure controls. Includes fun facts, real-world uses, and NCTB curriculum integration for Bangladeshi students.