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Actinium is the first member of the actinoids family.
Actinium is a solid, inner transition metal, radioactive, very rare.

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Americium is a member of the actinoids family.

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Actinides group

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Actinoids.

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actinide

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Q: What family does the element actinium belong to?
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What is the nature of actinium element?

Actinium is a radioactive natural chemical element, member of the family of actinides; actinium is a solid metal, very rare in the nature.


What element family does Actiniumbelong to?

Actinium belongs to actinides. It has atomic no. 89


What is Actiniums classification?

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


What is the names of the element scandium family members?

The elements under the scandium family are as follows: ► scandium ► yttrium ► lanthanum ► actinium


What is the origin of actinium?

Actinium is a natural chemical element, radioactive; actinium is a decay product of uranium.

Related questions

What family does the actinium belong to?

Actinium is the first member of the actinoids family.


What is the nature of actinium element?

Actinium is a radioactive natural chemical element, member of the family of actinides; actinium is a solid metal, very rare in the nature.


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 element family does Actiniumbelong to?

Actinium belongs to actinides. It has atomic no. 89


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 made of?

Actinium is a natural chemical element, it is not a man-made element.


What element family does phosphorus belong in?

it belong in the nitrogen family


What is the charge of actinium?

Actinium is a trivalent chemical element.


The charge of actinium?

Actinium is a trivalent chemical element.


What is the element of actinium used for?

Applications of actinium are: - neutron source as actinium-beryllium - radiotherapy


What is the meaning of actinium?

Actinium is a radioactive element with symbol Ac.


What is the names of the element scandium family members?

The elements under the scandium family are as follows: ► scandium ► yttrium ► lanthanum ► actinium