Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

Thorium is a chemical element; it has symbol Th and atomic number 90. Thorium is a weakly radioactive light silver metal which tarnishes olive grey when it is exposed to air, forming …

Element Thorium (Th), Group 20, Atomic Number 90, f-block, Mass 232.038. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content

Periodic Table element Summary Thorium. Thorium is a chemical element with symbol Th and atomic number 90. Classified as an actinide, Thorium is a solid at room temperature.

Mar 12, 2025 · thorium (Th), radioactive chemical element of the actinoid series of the periodic table, atomic number 90; it is a useful nuclear reactor fuel. Thorium was discovered (1828) by …

Jun 4, 2024 · Thorium is a silvery-white, slightly radioactive metal with the symbol Th and atomic number 90. It is an element the actinide series and f-block of the periodic table. Thorium takes …

Thorium is the 90th element in the periodic table and has a symbol of Th and atomic number of 90. It has an atomic weight of (232.0377) and a mass number of 232. Thorium has ninety …

Get the facts about element Thorium (Th) [90] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as …

Thorium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.

Sample compounds that contain Thorium are Th (SO4)2. Thorium: element properties, electonic configuration, isotopes, compounds, reactions and pictures.