Thorium ek chemical element hae, jiske chemical symbol Th, atomic number 90 aur aomic mass 232 hae . Periodic table me ii uu chemical elements ke group me hae jiske Actinoids bolaa jaae hae.

Atomic Structure
SymbolTh
Atomic Number90
Atomic Mass232g/mol
Periodic Table
Group3
Row / Period7
Element CategoryTransition dhaatu
Chhapa
Thorium ke electron shell

Chhapa ke gallery

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