Actinium is radioactive.
The Ac-227 isotope has a half life of 21.77 years
Yes, Ac (Actinium) and Ra (Radium) are radioactive elements, while Si (Silicon) is not inherently radioactive.
Actinium is a radioactive element with symbol Ac.
The radioactive element in period 5 of the periodic table is Actinium (Ac). It is a radioactive metal with atomic number 89.
Actinium (Ac) is a chemical element with the atomic number 89, located in the actinide series of the periodic table. It is a radioactive metal that is primarily used in research and some specialized industrial applications.
Actinium is separated from pitchblende. Actinium, AC, is found in uranium ore, a product of radioactive decay of uranium and ?æother unstable elements.
Actinium (Ac) is a chemical element.Actinoids is the name of the radioactive elements family which contain actinium.
224 rn 86
"Radioactive."
non radioactive element
radioactive decay
No, deuterium is not radioactive.
No, graphite is not radioactive.