What is the atomic number of Thorium?

The atomic number of Thorium (Th) is 90.

What is the atomic mass of Thorium?

The atomic mass of Thorium is 232.04 atomic mass units (u).

What group and period is Thorium in?

Thorium is in period 7, group 0 of the periodic table. It is a actinide element in the f-block.

How many valence electrons does Thorium have?

Thorium has 3 valence electron(s).

Thorium (Th) — Atomic Number 90 | Soren Periodic Table

Q: What is the electron configuration of Thorium?

The electron configuration of Thorium is [Rn] 6d2 7s2.

Thorium (Th) — Atomic Number 90Potential nuclear fuel, gas lantern mantles.Thorium Properties

Atomic Number: 90

Symbol: Th

Atomic Mass: 232.04 u

Category: actinide

Group: 0

Period: 7

Block: f-block

Electron Configuration: [Rn] 6d2 7s2

Valence Electrons: 3

Electronegativity: 1.3

Ionization Energy: 587.0 kJ/mol

Electron Affinity: 0.0 kJ/mol

Atomic Radius: 180.0 pm

Melting Point: 2115.0 K

Boiling Point: 5061.0 K

Thorium in the Periodic TableThorium is a actinide element located in period 7, group 0 of the periodic table. It has the chemical symbol Th and atomic number 90. The electron configuration of Thorium is [Rn] 6d2 7s2, giving it 3 valence electron(s).Interactive Thorium LearningExplore Thorium 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.