Actinium

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Atomic Structure
Symbol Ac
Atomic Number 89
Atomic Mass 227g/mol
Periodic Table
Group 3
Row / Period 7
Element Category Transition dhaatu
Chhapa
Actinium ke electron shell

Actinium ek chemical element hae, jiske chemical symbol Ac, atomic number 89 aur aomic mass 227 hae . Periodic table me ii uu chemical elements ke group me hae jiske Actinoids bolaa jaae hae.