Meaning of ACTINIDE in English

ACTINIDE

Elements 89-102 are called actinides. Electrons added during the Aufbau construction of actinide atoms go into the 5f subshell. Actinides are unstable and undergo radioactive decay. The most common actinides on Earth are uranium and thorium.

General chemistry English glossary.      Английский глоссарий общей химии.