Atomic Number 91 (Noun)
Meaning
A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
Classification
Nouns denoting substances.
Examples
- The atomic number 91 is a key identifier for the element protactinium, a highly radioactive metal with a short half-life.
- Protactinium, with an atomic number of 91, is a rare and highly sought-after element in nuclear research.
- The discovery of protactinium, an element with the atomic number 91, was a significant milestone in the field of nuclear physics.
- Due to its highly radioactive nature, the element with atomic number 91 is extremely difficult to handle and store safely.
- The element with atomic number 91, protactinium, is formed through the decay of uranium and eventually disintegrates into lead.