the radioactive isotope of actinium, 22789ac, having a half-life of 21.7 years

listen to the pronunciation of the radioactive isotope of actinium, 22789ac, having a half-life of 21.7 years
الإنجليزية - الإنجليزية

تعريف the radioactive isotope of actinium, 22789ac, having a half-life of 21.7 years في الإنجليزية الإنجليزية القاموس.

The radioactive isotope of actinium, 22789Ac, having a half-life of 21.7 years.
radioactinium