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Actinium is the first member of the actinoids family.

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Lanthanum does not belong to lanthanide series actinium does not belong to anthanide series why?

After the IUPAC nomenclature lanthanum is a lanthanoid and actinium is an actinoid.


What group is Actinium in?

Actinium is the first member of the actinoids family.


Which really belong to group iii - lanthanum and actinium or lutetium and lawrencium?

Lanthanum and lutetium: lantanides group Actinium and lawrentium: actinides group


Is actinium a family name or rare earth element series?

Actinium (Ac) is a chemical element.Actinoids is the name of the radioactive elements family which contain actinium.


What family does the element actinium belong to?

Actinium belongs to the actinide family, which is a group of elements located in the periodic table below the lanthanide series. These elements are all radioactive and have important applications in nuclear energy and medicine.


Which really belong to group iii lanthanum and actinium or lutetium and lawrencium?

Lanthanum and lutetium are members of the lanthanoids family.Actinium and lawrencium are members of the actinoids family.


What is actinium in the periodic table?

Actinium is a member of the actinoids family with the atomic number 89.


What is actinium classified as?

Actinuim is a member of the family of actinides.


What is Actiniums classification?

Actinium is a member of the actinides family; actinium is a natural chemical element, metal, solid, extremely radioactive.


What is actinium classified under?

Actinuim is a member of the family of actinides. Actinium is a solid metal, radioactive with the atomic number 89.


What other elements are in the same family group as radon?

actinium


What element family does Actiniumbelong to?

Actinium belongs to actinides. It has atomic no. 89