• word of the day

    actinide series

    actinide series - Dictionary definition and meaning for word actinide series

    Definition
    (noun) (chemistry) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium

Word used in video below:
text: Alright, I'm gonna ask you a series of questions
Download our Mobile App Today
Receive our word of the day
on Whatsapp