Nuclear Chemistry Terms

noun a series of chemical elements that includes actinium and all the elements with atomic numbers from 89 to 103

• The actinide series is a group of elements in the periodic table that includes actinium, thorium, uranium, and other radioactive elements.
• The actinide series is all those super radioactive elements you don't want to mess with.
• The actinide series is like the bad boys of the periodic table, always causing trouble.
• The actinide series is like the rock stars of the periodic table, with their wild and unpredictable behavior.

noun a radioactive gas that is a decay product of actinium

• The researchers studied the actinium emanation as part of their experiment on radioactive decay.
• I heard they're looking into that actinium emanation thing for their project.
• Did you catch the latest scoop on actinium emanation? It's pretty wild.
• Her anger was like an actinium emanation, spreading rapidly and uncontrollably.