Actinium

Actinium is a radioactive element used in radiation therapy and as a neutron source in scientific research.

Atomic Structure

actinium atom electronic configuration

Atomic Information

Property	Value
Atomic Number	89
Symbol	Ac
Atomic Mass	227 u
Electron Configuration	[Rn] 6d¹ 7s²
State at Room Temperature	Solid

Uses of Actinium

Used as a neutron source in scientific research.
Used in radiation therapy for cancer treatment.