Atomic Number 89 (Noun)
Meaning
A radioactive element of the actinide series; found in uranium ores.
Classification
Nouns denoting substances.
Examples
- Actinium is a radioactive element with the atomic number 89 and is found in uranium ores.
- The atomic number 89 element, actinium, is a highly radioactive metal that glows in the dark.
- Actinium, with an atomic number of 89, is a rare and highly radioactive element that is used in nuclear reactors.
- The element with atomic number 89, actinium, is a member of the actinide series and is highly reactive.
- Actinium, atomic number 89, is a soft, silvery-white radioactive element that is highly toxic and must be handled with care.