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Question

What name is assigned for elements from atomic number 89 to 103?


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Solution

  • Actinides, name is derived from the name of the first element in the series actinium.
  • These atomic numbers belongs to second row of f-block elements.
  • Atomic number 89 belongs to Actinium (Ac), radioactive chemical element.
  • Atomic number 103 belongs to lawrencium (Lr).

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