What Elements Are Actinides on the Periodic Table

Actinium (Ac)Thorium (Th)Protactinium (Pa)Uranium (U)Neptunium (Np)Plutonium (Pu)Americium (Am)Curium (Cm)

What are all the actinides on the periodic table?

  • Actinium (Ac)
  • Thorium (Th)
  • Protactinium (Pa)
  • Uranium (U)
  • Neptunium (Np)
  • Plutonium (Pu)
  • Americium (Am)
  • Curium (Cm)

What are the 15 actinides?

Definition of Actinide The 15 elements include: Actinium (Ac), Thorium (Th), Protactinium (Pa), Uranium (U), Neptunium (Np), Plutonium (Pu), Americium (Am), Curium (Cm), Berkelium (Bk), Californium (Cf), Einsteinium (Es), Fermium (Fm), Mendelevium (Md), Nobelium (No), and Lawrencium (Lr).

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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