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Lanthanum

Wikipedia se
Atomic Structure
Symbol La
Atomic Number 57
Atomic Mass 1389g/mol
Periodic Table
Group 3
Row / Period 6
Element Category Transition dhaatu
Chhapa
Lanthanum ke electron shell

Lanthanum ek chemical element hae, jiske chemical symbol La, atomic number 57 aur atomic mass 138.9 hae. Periodic table me ii uu chemical elements ke group me hae jiske Lanthanides bolaa jaae hae.